LENOVO THINKCENTRE M80S (01) PDF MANUAL


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PDF Content Summary: M70s and M80s User Guide Read this first Before using this documentation and the product it supports, ensure that you read and understand the following: • Appendix A “Important safety information” on page 75 • Safety and Warranty Guide • Setup Guide First Edition (April 2020) © Copyright Lenovo 2020. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS- 35F-05925.

Contents About this documentation. . . . . . . . iii Chapter 1. Meet your computer. . . . . 1 Front . . . . . . . . . . . . . . . . . . . . 1 Rear . . . . . . . . . . . . . . . . . . . . 3 M70s . . . . . . . . . . . . . . . . . . 3 M80s . . . . . . . . . . . . . . . . . . 5 Features and specifications . . . . . . . . . . . 7 Statement on USB transfer rate. . . . . . . . 8 Chapter 2. Get started with your computer. . . . . . . . . . . . . . . . . 9 Get started with Windows 10 . . . . . . . . . . 9 Windows account . . . . . . . . . . . . . 9 Windows user interface. . . . . . . . . . 10 Connect to networks. . . . . . . . . . . . . 11 Connect to the wired Ethernet . . . . . . . 11 Connect to Wi-Fi networks (for selected models) . . . . . . . . . . . . . . . . 11 Use Lenovo Vantage. . . . . . . . . . . . . 11 Use multimedia. . . . . . . . . . . . . . . 12 Use audio . . . . . . . . . . . . . . . 12 Connect to an external display . . . . . . . 12 Chapter 3. Explore your computer . . 15 Manage power . . . . . . . . . . . . . . . 15 Set power button behaviors . . . . . . . . 15 Set the power plan. . . . . . . . . . . . 15 Transfer data. . . . . . . . . . . . . . . . 15 Connect to a Bluetooth-enabled device (for selected models) . . . . . . . . . . . . 15 Use the optical drive (for selected models) . . 16 Use a media card (for selected models). . . . 16 Use a smart cable clip (for selected models). . . . 16 Purchase accessories . . . . . . . . . . . . 17 Chapter 4. Secure your computer and information . . . . . . . . . . . . 19 Lock the computer . . . . . . . . . . . . . 19 Log in to your computer securely. . . . . . . . 20 Use passwords . . . . . . . . . . . . . 20 Use software security solutions. . . . . . . . . 21 Use firewalls . . . . . . . . . . . . . . 21 Use computrace Agent software embedded in firmware (for selected models) . . . . . . . 22 Use BIOS security solutions. . . . . . . . . . 22 Erase all storage drive data . . . . . . . . 22 Use the cover presence switch . . . . . . . 22 Use Intel BIOS guard. . . . . . . . . . . 23 Use Smart USB Protection. . . . . . . . . 23 Chapter 5. UEFI BIOS . . . . . . . . . 25 What is UEFI BIOS. . . . . . . . . . . . . . 25 Enter the BIOS menu. . . . . . . . . . . . . 25 Navigate in the BIOS interface . . . . . . . . . 25 Change the display language of UEFI BIOS . . . . 25 Set the system date and time . . . . . . . . . 26 Change the startup sequence . . . . . . . . . 26 Enable or disable the configuration change detection feature . . . . . . . . . . . . . . 26 Enable or disable the automatic power-on feature . . . . . . . . . . . . . . . . . . 27 Enable or disable the smart power-on feature . . . 27 Enable or disable the ErP LPS compliance mode . . 27 Change the ITS performance mode . . . . . . . 28 Change BIOS settings before installing a new operating system . . . . . . . . . . . . . . 28 Update UEFI BIOS. . . . . . . . . . . . . . 28 Recover from a BIOS update failure. . . . . . . 29 Clear CMOS . . . . . . . . . . . . . . . . 29 Chapter 6. Troubleshooting, diagnostics, and recovery . . . . . . . 31 Basic procedure for resolving computer problems . . . . . . . . . . . . . . . . . 31 Troubleshooting . . . . . . . . . . . . . . 31 Startup problems . . . . . . . . . . . . 32 Audio problems. . . . . . . . . . . . . 33 Network problems. . . . . . . . . . . . 33 Performance problems . . . . . . . . . . 36 Storage drive problems. . . . . . . . . . 37 CD or DVD problems. . . . . . . . . . . 37 Serial connector problems. . . . . . . . . 38 USB device problems . . . . . . . . . . 38 Software problems. . . . . . . . . . . . 39 Lenovo diagnostic tools . . . . . . . . . . . 39 Recovery . . . . . . . . . . . . . . . . . 39 Restore system files and settings to an earlier point . . . . . . . . . . . . . . . . . 39 Restore your files from a backup . . . . . . 39 Reset your computer. . . . . . . . . . . 39 Use advanced options . . . . . . . . . . 40 Windows automatic recovery. . . . . . . . 40 Create and use a recovery USB device. . . . 40 Update the device driver . . . . . . . . . 41

© Copyright Lenovo 2020 i

Chapter 7. CRU replacement . . . . . 43 What are CRUs. . . . . . . . . . . . . . . 43 Replace a CRU. . . . . . . . . . . . . . . 44 Vertical stand. . . . . . . . . . . . . . 44 Computer cover. . . . . . . . . . . . . 45 Front bezel. . . . . . . . . . . . . . . 46 Optical drive . . . . . . . . . . . . . . 47 Drive bay assembly . . . . . . . . . . . 49 Storage drive. . . . . . . . . . . . . . 50 Heat sink (for the M.2 solid-state drive). . . . 55 M.2 solid-state drive . . . . . . . . . . . 59 M.2 solid-state drive bracket. . . . . . . . 61 Memory module. . . . . . . . . . . . . 62 PCI-Express connector cable . . . . . . . 64 PCI-Express card . . . . . . . . . . . . 65 Coin-cell battery. . . . . . . . . . . . . 66 Power supply assembly. . . . . . . . . . 67 E-lock. . . . . . . . . . . . . . . . . 69 Chapter 8. Help and support . . . . . 71 Self-help resources . . . . . . . . . . . . . 71 Call Lenovo . . . . . . . . . . . . . . . . 72 Before you contact Lenovo . . . . . . . . 72 Lenovo Customer Support Center. . . . . . 72 Purchase additional services. . . . . . . . . . 73 Appendix A. Important safety information. . . . . . . . . . . . . . . 75 Appendix B. Accessibility and ergonomic information . . . . . . . . 89 Appendix C. Supplemental information about the Ubuntu operating system . . . . . . . . . . . . . . . . . 93 Appendix D. Compliance and TCO Certified information. . . . . . . . . . 95 Appendix E. Notices and trademarks. . . . . . . . . . . . . . . 107 ii M70s and M80s User Guide

About this documentation • Illustrations in this documentation might look different from your product. • Depending on the model, some optional accessories, features, and software programs might not be available on your computer. • Depending on the version of operating systems and programs, some user interface instructions might not be applicable to your computer. • Documentation content is subject to change without notice. Lenovo makes constant improvements on the documentation of your computer, including this User Guide. To get the latest documentation, go to: pcsupport.lenovo.com • Microsoft® makes periodic feature changes to the Windows® operating system through Windows Update. As a result, some information in this documentation might become outdated. Refer to Microsoft resources for the latest information. © Copyright Lenovo 2020 iii iv M70s and M80s User Guide Chapter 1. Meet your computer Front 1. Optical drive eject button* Eject the optical drive tray. 2. Optical drive activity indicator* This indicator is on when the optical drive is in use. 3. SD-card slot* Supported cards: • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) UHS-1 card • Secure Digital High-Capacity (SDHC) UHS-1 card Note: Your computer does not support the content protection for recordable media (CPRM) feature for the SD card. See “Use a media card (for selected models)” on page 16. 4. Power button Press to turn on the computer. To turn off the computer, open the Start menu, click Power, and then select Shut down. The indicator in the power button shows the system status of your computer. • On: The computer is on. • Off: The computer is off or in hibernation mode. • Blinking: The computer is in sleep mode. 5. Storage drive activity indicator This indicator is on when the storage drive is in use. © Copyright Lenovo 2020 1 6. ThinkCentre® LED This indicator is on when the computer is on. 7. Microphone connector Connect a microphone. 8. Headset connector Connect a headset or headphones to your computer. 9. USB-CTM (3.2 Gen 1) connector • Charge USB-C compatible devices with the output voltage and current of 5 V and 3 A. • Transfer data at USB 3.2 speed, up to 5 Gbps. • Connect to USB-C accessories to help expand your computer functionality. To purchase USB-C accessories, go to lenovo.com/accessories. 10. USB 3.2 connectors Gen 1 Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 11. USB 3.2 connectors Gen 2 Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 12. Internal speaker Enable you to experience high-quality sound. * for selected models 2 M70s and M80s User Guide Rear M70s Send audio signals from the computer to external devices, such as powered stereo speakers, headphones, or multimedia keyboards. To connect a stereo system or other external recording device, connect a cable between the audio line-in connector of the device and the audio line-out connector of the computer. 1. Audio line-out connector Note: If your computer has both an audio line-out connector and a headset or headphone connector, always use the headset or headphone connector for earphones, headphones, or a headset. The headphone connector does not support headset microphones. 2. HDMITM out connector Send audio and video signals from the computer to another audio or video device, such as a high-performance monitor. 3. DisplayPort® out connectors Send audio and video signals from the computer to another audio or video device, such as a high-performance monitor. 4. USB 2.0 connectors Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 5. USB 2.0 connector Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. Note: This connector supports the smart power-on feature. For more information, see “Enable or disable the smart power-on feature” on page 27. 6. Security-lock slot Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock. Chapter 1. Meet your computer 3 Connect 7. PS/2 keyboard and mouse a keyboard, a mouse, a trackball, or other pointing devices that use a connector* Personal System/2 (PS/2) connector. 8. Serial connector Connect an external modem, a serial printer, or other devices that use a serial connector. 9. Ethernet connector Connect to a local area network (LAN). When the green indicator is on, the computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted. 10. Padlock loop Lock the computer cover through a padlock. 11. E-lock slots Lock the computer cover through an E-lock. 12. PCI-Express card area Install PCI-Express cards into this area to improve the operating performance of the computer. Depending on the computer model, the connectors in this area vary. 13. Power cord connector Connect the power cord to your computer for power supply. * for selected models 4 M70s and M80s User Guide M80s Send audio signals from the computer to external devices, such as powered stereo speakers, headphones, or multimedia keyboards. To connect a stereo system or other external recording device, connect a cable between the audio line-in connector of the device and the audio line-out connector of the computer. 1. Audio line-out connector Note: If your computer has both an audio line-out connector and a headset or headphone connector, always use the headset or headphone connector for earphones, headphones, or a headset. The headphone connector does not support headset microphones. 2. HDMITM out connector Send audio and video signals from the computer to another audio or video device, such as a high-performance monitor. 3. DisplayPort® out connectors Send audio and video signals from the computer to another audio or video device, such as a high-performance monitor. 4. USB 3.2 connectors Gen 1 Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. 5. USB 3.2 connector Gen 1 Connect USB-compatible devices, such as a USB keyboard, USB mouse, USB storage device, or USB printer. Note: This connector supports the smart power-on feature. For more information, see “Enable or disable the smart power-on feature” on page 27. 6. Security-lock slot Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock. 7. PS/2 keyboard and mouse connector* Connect a keyboard, a mouse, a trackball, or other pointing devices that use a Personal System/2 (PS/2) connector. 8. Serial connector Connect an external modem, a serial printer, or other devices that use a serial connector. Chapter 1. Meet your computer 5 Connect to a local area network (LAN). When the green indicator is on, the 9. Ethernet connector computer is connected to a LAN. When the yellow indicator blinks, data is being transmitted. 10. Padlock loop Lock the computer cover through a padlock. 11. E-lock slots Lock the computer cover through an E-lock. 12. PCI-Express card area Install PCI-Express cards into this area to improve the operating performance of the computer. Depending on the computer model, the connectors in this area vary. 13. Power cord connector Connect the power cord to your computer for power supply. * for selected models 6 M70s and M80s User Guide Features and specifications Dimensions • Width: 92.5 mm (3.6 inches) • Height: 339.5 mm (13.4 inches) • Depth: 297.7 mm (11.7 inches) Weight (without the package) Maximum configuration as shipped: 5.3 kg (11.7 lb) Hardware configuration 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. Power supply • 180-watt automatic voltage-sensing power supply • 260-watt automatic voltage-sensing power supply • 310-watt automatic voltage-sensing power supply • 380-watt automatic voltage-sensing power supply Electrical input • Input voltage: From 100 V ac to 240 V ac • Input frequency: 50/60 Hz Microprocessor To view the microprocessor information of your computer, right-click the Start button and then click System. Memory Up to four double data rate 4 (DDR4) unbuffered dual inline memory modules (UDIMMs) Storage device • 2.5-inch form factor, 7-mm (0.28-inch) height hard disk drive* • 3.5-inch form factor, 7-mm (0.28-inch) height hard disk drive* • M.2 solid-state drive* • Intel® OptaneTM memory* To view the storage drive capacity of your computer, right-click the Start button to open the Start context menu and then click Disk Management. Note: The storage drive capacity indicated by the system is less than the nominal capacity. Video features • The integrated graphics card supports the following: – DisplayPort out connector – HDMI out connector • The optional discrete graphics card provides an enhanced video experience and extended capabilities. Audio features The integrated audio card supports the following: • Audio line-out connector • Headset connector • Internal speaker • Microphone connector Chapter 1. Meet your computer 7 • Card reader* • Memory slots • M.2 solid-state drive slot Expansion • Optical drive* • PCI-Express x1 card slot • PCI-Express x16 graphics card slot • Storage drive bay Network features • Bluetooth* • Ethernet LAN • Wireless LAN* * for selected models Statement on USB transfer rate Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual transfer rate using the various USB connectors on this device will vary and will be slower than the data rate listed below for each corresponding device. USB device Data rate (Gbit/s) 3.2 Gen 1 / 3.1 Gen 1 5 3.2 Gen 2 / 3.1 Gen 2 10 3.2 Gen 2 × 2 20 8 M70s and M80s User Guide Chapter 2. Get started with your computer Get started with Windows 10 Learn the basics of Windows 10 and start working with it right away. For more information about Windows 10, see the Windows help information. Windows account A user account is required to use the Windows operating system. It can either be a Windows user account or a Microsoft account. Windows user account When you start Windows for the first time, you are prompted to create a Windows user account. This first account you created is of the “Administrator” type. With an Administrator account, you can create additional user accounts or change account types by doing the following: 1. Open the Start menu and select Settings ➙ Accounts ➙ Family & other users. 2. Follow the on-screen instructions. Microsoft account You can also log in to the Windows operating system with a Microsoft account. To create a Microsoft account, go to the Microsoft sign-up page at signup.live.com and follow the on- screen instructions. With a Microsoft account, you can: • Enjoy one-time signing in if you are using other Microsoft services, such as OneDrive, Skype, and Outlook. com. • Sync personalized settings across other Windows-based devices. © Copyright Lenovo 2020 9 Windows user interface Change 1. Account account settings, lock the computer, or sign out from the current account. 2. Documents Open the Documents folder, a default folder to save your received files. 3. Pictures Open the Pictures folder, a default folder to save your received pictures. 4. Settings Launch Settings. 5. Power Shut down, restart, or put the computer into sleep mode. 6. Start button Open the Start menu. 7. Windows Search Type what you are looking for in the search box and get search results from your computer and the Web. 8. Task View Display all opened apps and switch among them. 9. Windows notification area Display notifications and status of some features. 10. Battery status icon Display power status and change battery or power settings. When your computer is not connected to ac power, the icon changes to . 11. Network icon Connect to an available wireless network and display the network status. When connected to a wired network, the icon changes to . 12. Action center Display the latest notifications from apps and provide quick access to some features. Open the Start menu • Click the Start button. • Press the Windows logo key on the keyboard. Open the Start context menu Right-click the Start button. 10 M70s and M80s User Guide Access Control Panel • Open the Start menu and click Windows System ➙ Control Panel. • Use Windows Search. Launch an app • Open the Start menu and select the app you want to launch. • Use Windows Search. Connect to networks Your computer helps you connect to the world through a wired or wireless network. Connect to the wired Ethernet Connect your computer to a local network through the Ethernet connector on your computer with an Ethernet cable. Connect to Wi-Fi networks (for selected models) If your computer includes a wireless LAN module, you can connect your computer to Wi-Fi® networks. The wireless LAN module on your computer may support different standards. For some countries or regions, use of 802.11ax may be disabled according to local regulations. 1. Click the network icon in the Windows notification area. A list of available wireless networks is displayed. 2. Select a network available for connection. Provide required information, if needed. Use Lenovo Vantage The preinstalled Lenovo Vantage is a customized one-stop solution to help you maintain your computer with automated updates and fixes, configure hardware settings, and get personalized support. Access Lenovo Vantage Open the Start menu and click Lenovo Vantage. You also can type Lenovo Vantage in the search box. To download the latest version of Lenovo Vantage, go to Microsoft Store and search by the app name. Key features Lenovo Vantage enables you to: • Know the device status easily and customize device settings. • Download and install UEFI BIOS, firmware and driver updates to keep your computer up-to-date. • Monitor your computer health, and secure your computer against outside threats. • Look up warranty status (online). • Access User Guide and helpful articles. Notes: Chapter 2. Get started with your computer 11 • The available features vary depending on the computer model. • Lenovo Vantage makes periodic updates of the features to keep improving your experience with your computer. The description of features might be different from that on your actual user interface. Use multimedia Use your computer for business or entertainment with the devices (such as a camera, a monitor, or speakers). Use audio To enhance the audio experience, connect speakers, headphones, or a headset to the audio connector. Adjust the volume 1. Click the volume icon in the Windows notification area on the taskbar. 2. Follow the on-screen instructions to adjust the volume. Click the speaker icon to mute the audio. Change the sound settings 1. Go to Control Panel and view by category. 2. Click Hardware and Sound ➙ Sound. 3. Change the settings as you prefer. Connect to an external display Connect to a wired display Connect your computer to a projector or a monitor through the video output connector on your computer to give presentations or expand your workspace. If your computer cannot detect the external display, right-click an empty area of the desktop, and then click Display settings ➙ Detect. Connect to a wireless display To use a wireless display, ensure that both your computer and the external display support the Miracast® feature. • Open the Start menu, and then click Settings ➙ Devices ➙ Bluetooth & other devices ➙ Add Bluetooth or other device. In the Add a device window, click Wireless display or dock. Then, follow the instructions on the screen. • Click the action center icon in the Windows notification area and click Connect. Select the wireless display and follow the on-screen instructions. Set the display mode Right-click a blank area on the desktop and select Display settings. Then, select a display mode of your preference from the Multiple displays menu. • Duplicate these displays: Display the same video output on both your computer screen and an external display. • Extend these displays: Extend the video output from your computer display to an external display. You can drag and move items between the two displays. • Show only on 1: Display the video output only on your computer screen. 12 M70s and M80s User Guide • Show only on 2: Display the video output only on an external display. If you show programs using DirectDraw or Direct3D® in full-screen mode, only the main display shows the video output. Change display settings 1. Right-click a blank area on the desktop and select Display settings. 2. Select the display that you want to configure. 3. Change display settings of your preference. You can change the settings for both the computer display and the external display. For example, you can define which one is the main display and which one is the secondary display. You also can change the resolution and orientation. Note: If you set a higher resolution for the computer display than the external display, only part of the screen can be displayed on the external display. Chapter 2. Get started with your computer 13 14 M70s and M80s User Guide Chapter 3. Explore your computer Manage power Use the information in this section to achieve the best balance between performance and power efficiency. Set power button behaviors You can define what the power button does according to your preference. For example, by pressing the power button, you can turn off the computer or put the computer to sleep or hibernation mode. To change what the power button does: 1. Go to Control Panel and view by large icons or small icons. 2. Click Power Options ➙ Choose what the power buttons do. 3. Change the settings as you prefer. Set the power plan For ENERGY STAR® compliant computers, the following power plan takes effect when your computers have been idle for a specified duration: Table 1. Default power plan (when plugged into ac power) • Turn off the display: After 10 minutes • Put the computer to sleep: After 25 minutes To awaken the computer from Sleep mode, press any key on your keyboard. To reset the power plan to achieve the best balance between performance and power saving: 1. Go to Control Panel and view by large icons or small icons. 2. Click Power Options, and then choose or customize a power plan of your preference. Transfer data Quickly share your files using the built-in Bluetooth technology among devices with the same features. You also can install a disc or media card to transfer data. Connect to a Bluetooth-enabled device (for selected models) You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a smartphone, or speakers. To ensure that the connection is successful, place the devices 10 meters (33 feet), at most, from the computer. 1. Turn on Bluetooth on the computer. a. Open the Start menu, and then click Settings ➙ Devices ➙ Bluetooth & other devices. b. Turn on the Bluetooth switch. 2. Click Add Bluetooth or other device ➙ Bluetooth. 3. Select a Bluetooth device, and then follow the on-screen instructions. © Copyright Lenovo 2020 15 Your Bluetooth device and computer will automatically connect the next time if the two devices are in range of each other with Bluetooth turned on. You can use Bluetooth for data transfer or remote control and communication. Use the optical drive (for selected models) If your computer has an optical drive, read the following information. Know the type of your optical drive 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation, if prompted. Install or remove a disc 1. With the computer on, press the eject button on the optical drive. The tray slides out of the drive. 2. Insert a disc into the tray or remove a disc from the tray, and then push the tray back into the drive. Note: If the tray does not slide out of the drive when you press the eject button, turn off the computer. Then, insert a straightened paper clip into the emergency-eject hole adjacent to the eject button. Use the emergency eject only in an emergency. Record a disc 1. Insert a recordable disc into the optical drive that supports recording. 2. Do one of the following: • Open the Start menu, and then click Settings ➙ Devices ➙ AutoPlay. Select or turn on Use AutoPlay for all media and devices. • Open Windows Media Player. • Double-click the ISO file. 3. Follow the on-screen instructions. Use a media card (for selected models) If your computer has a SD-card slot, read the following information. Install a media card 1. Locate the SD-card slot. 2. Ensure that the metal contacts on the card are facing the ones in the SD-card slot. Insert the card firmly into the SD-card slot until it is secured in place. Remove a media card Attention: Before removing a media card, eject the card from the Windows operating system first. Otherwise, data on the card might get corrupted or lost. 1. Click the triangular icon in the Windows notification area to show hidden icons. Then, right-click the Safely Remove Hardware and Eject Media icon. 2. Select the corresponding item to eject the card from the Windows operating system. 3. Press the card and remove it from your computer. Store the card safely for future use. Use a smart cable clip (for selected models) Note: You can purchase a smart cable clip from Lenovo. 16 M70s and M80s User Guide Lock devices (such as the keyboard and the mouse) to your computer through a smart cable clip. 1. Insert the clip 1 into the cable-lock slot 4 . 2. Pull the cables you want to lock through the dents in the smart cable clip. 3. Press the clip 2 into the cable-lock slot 3 until it snaps into position. Purchase accessories Lenovo has a number of hardware accessories and upgrades to help expand the capabilities of your computer. Options include memory modules, storage devices, network cards, power adapters, keyboards, mice, and more. To shop at Lenovo, go to lenovo.com/accessories. Chapter 3. Explore your computer 17 18 M70s and M80s User Guide Chapter 4. Secure your computer and information Lock the computer Note: You are responsible for evaluating, selecting, and implementing the locking device and security feature. Lenovo makes no comments, judgments, or warranties about the function, quality, or performance of the locking device and security feature. You can purchase computer locks from Lenovo. Padlock Locking the computer cover through a padlock prevents unauthorized access to the inside of your computer. Kensington-style cable lock Lock your computer to a desk, table, or other fixtures through a Kensington-style cable lock. © Copyright Lenovo 2020 19 E-lock (for selected models) Your computer might have a security lock solution installed to protect the computer from unauthorized tampering of the internal components. Using the E-Lock, you can mechanically lock or unlock the computer cover. To enable or disable the E-Lock: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Electronic Lock to enable or disable the E-lock. 3. Press F10 or Fn+F10 to save the changes and exit. Note: Changes do not take effect until the setting is saved and the system is rebooted. Log in to your computer securely This section provides secure ways to log in to your computer with a password or your face. Use passwords Password types You can set the following passwords in UEFI (Unified Extensible Firmware Interface) BIOS (Basic Input/ Output System) to prevent unauthorized access to your computer. However, you are not prompted to enter any UEFI BIOS password when your computer resumes from sleep mode. • Power-on password When a power-on password is set, you are prompted to enter a valid password each time the computer is turned on. The computer cannot be used until the valid password is entered. • Supervisor password Setting a supervisor password deters unauthorized users from changing configuration settings. If you are responsible for maintaining the configuration settings of several computers, you might want to set a supervisor password. When a supervisor password is set, you are prompted to enter a valid password each time you try to enter the BIOS menu. If both the power-on password and supervisor password are set, you can enter either password. However, you must use your supervisor password to change any configuration settings. • Hard disk password 20 M70s and M80s User Guide Setting a hard disk password prevents unauthorized access to the data on the storage drive. When a hard disk password is set, you are prompted to enter a valid password each time you try to access the storage drive. Note: After you set a hard disk password, your data on the storage drive is protected even if the storage drive is removed from one computer and installed in another. • System management password (for selected models) You can enable the system management password to have the same authority as the supervisor password to control security related features. To customize the authority of the system management password through the UEFI BIOS menu: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ System Management Password Access Control. 3. Follow the on-screen instructions. If you have set both the supervisor password and the system management password, the supervisor password overrides the system management password. Set, change, and remove a password Before you start, print these instructions. 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security. 3. Depending on the password type, select Set Supervisor Password, Set Power-On Password, Set System Management Password, or Hard Disk Password and press Enter. 4. Follow the on-screen instructions to set, change, or remove a password. 5. Press F10 or Fn+F10 to save the changes and exit. You should record your passwords and store them in a safe place. If you forget the passwords, see “Clear CMOS” on page 29 to remove them by yourself. You can also contact a Lenovo-authorized service provider to have the passwords removed. Notes: • If the supervisor password is forgotten, it might not be removed by clearing CMOS depending on your BIOS settings. • If the hard disk password is forgotten, Lenovo cannot remove the password or recover data from the storage drive. Use software security solutions This section provides software solutions to secure your computer and information. Use firewalls A firewall can be hardware, software, or a combination of both depending on the level of security required. Firewalls work on a set of rules to determine which inbound and outbound connections are authorized. If the computer is preinstalled with a firewall program, it helps protect against computer Internet security threats, unauthorized access, intrusions, and Internet attacks. It also protects your privacy. For more information about how to use the firewall program, refer to the help system of your firewall program. To use firewalls: 1. Go to Control Panel and view by large icons or small icons.Chapter 4. Secure your computer and information 21 2. Click Windows Defender Firewall, and then follow the on-screen instructions. Use computrace Agent software embedded in firmware (for selected models) The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location. You might have to purchase a subscription to activate the Computrace Agent software. Use BIOS security solutions This section provides BIOS solutions to secure your computer and information. Erase all storage drive data It is recommended that you erase all storage drive data before recycling a storage drive or the computer. To erase all storage drive data: 1. Set a hard disk password for the storage drive you will recycle. See “Use passwords” on page 20. 2. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 3. Select Security ➙ Hard Disk Password ➙ Security Erase HDD Data and press Enter. 4. Select the storage drive you will recycle and press Enter. 5. A message is displayed, prompting you to confirm the operation. Select Yes and press Enter. The erasing process begins. Note: During the erasing process, the power button and the keyboard are disabled. 6. After the erasing process is completed, a message is displayed, prompting you to reset the system. Select Continue. Note: Depending on the storage drive capacity, the erasing process will take half an hour to three hours. 7. After the resetting process is completed, one of the following will happen: • If the data on the system storage drive is erased, you will be prompted that no operating system is available. • If the data on the non-system storage drive is erased, the computer restarts automatically. Use the cover presence switch The cover presence switch prevents the computer from logging in to the operating system when the computer cover is not properly installed or closed. To enable the cover presence switch connector on the system board: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Cover Tamper Detected and press Enter. 3. Select Enabled and press Enter. 4. Press F10 or Fn+F10 to save the changes and exit. When the cover presence switch connector on the system board is enabled, if the cover presence switch detects that the computer cover is not correctly installed or closed, an error message will be displayed when you turn on the computer. To bypass the error message and log in to the operating system: 1. Properly install or close the computer cover. 22 M70s and M80s User Guide 2. Enter the BIOS menu, save and then exit. Use Intel BIOS guard The BIOS guard module cryptographically verifies all the BIOS updates to the system BIOS flash. Therefore, the malware is blocked from attacking the BIOS. Use Smart USB Protection The Smart USB Protection function is a security function that helps prevent data from being copied from the computer to USB storage devices connected to the computer. You can set the Smart USB Protection function to one of the following modes: • Disabled (default setting): You can use the USB storage devices without limitation. • Read Only: You cannot copy data from the computer to the USB storage devices. However, you can access or modify data on the USB storage devices. • No Access: You cannot access the USB storage devices from the computer. To configure the Smart USB Protection function: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Smart USB Protection and press Enter. 3. Select the desired setting and press Enter. 4. Press F10 or Fn+F10 to save the changes and exit. Chapter 4. Secure your computer and information 23 24 M70s and M80s User Guide Chapter 5. UEFI BIOS This chapter provides information about configuring and updating UEFI BIOS, and clearing CMOS. What is UEFI BIOS Note: The operating system settings might override any similar settings in UEFI BIOS. UEFI BIOS is the first program that the computer runs when the computer is turned on. UEFI BIOS initializes the hardware components and loads the operating system and other programs. Your computer comes with a setup program with which you can change UEFI BIOS settings. Enter the BIOS menu Restart the computer. When the logo screen is displayed, press F1 or Fn+F1 to enter the BIOS menu. Note: If you have set BIOS passwords, enter the correct passwords when prompted. You also can select No or press Esc to skip the password prompt and enter the BIOS menu. However, you cannot change the system configurations that are protected by passwords. Navigate in the BIOS interface Attention: The default configurations are already optimized for you in boldface. Improper change of the configurations might cause unexpected results. Depending on your keyboard, you can navigate in the BIOS interface by pressing the following keys, or combinations of Fn and the following keys: F1 or Fn+F1 Display the General Help screen. Esc or Fn+Esc Exit the submenu and return to the parent menu. ↑↓ or Fn+↑↓ Locate an item. ← → or Fn+← → Select a tab. +/– or Fn++/– Change to a higher or lower value. Enter Enter the selected tab or submenu. F9 or Fn+F9 Restore to the default settings. F10 or Fn+F10 Save your configuration and exit. Change the display language of UEFI BIOS UEFI BIOS supports four display languages: English, French, Russian, and simplified Chinese. To change the display language of UEFI BIOS: 1. Select Main ➙ Language and press Enter. 2. Set the display language as desired. © Copyright Lenovo 2020 25 Set the system date and time 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Main ➙ System Time & Date and press Enter. 3. Set the system date and time as desired. 4. Press F10 or Fn+F10 to save the changes and exit. Change the startup sequence If the computer does not start up from a device as expected, you can change the startup device sequence permanently or select a temporary startup device. Change the startup device sequence permanently 1. Depending on the type of the storage device, do one of the following: • If the storage device is internal, go to step 2. • If the storage device is a disc, ensure that the computer is on or turn on the computer. Then, insert the disc into the optical drive. • If the storage device is an external device other than a disc, connect the storage device to the computer. 2. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 3. Select Startup, and then follow the on-screen instructions to change the startup sequence. 4. Press F10 or Fn+F10 to save the changes and exit. Select a temporary startup device Note: Not all discs and storage drives are bootable. 1. Depending on the type of the storage device, do one of the following: • If the storage device is internal, go to step 2. • If the storage device is a disc, ensure that the computer is on or turn on the computer. Then, insert the disc into the optical drive. • If the storage device is an external device other than a disc, connect the storage device to the computer. 2. Restart the computer. When the logo screen is displayed, press F12 or Fn+F12. 3. Select the storage device as desired and press Enter. If you want to change the startup device sequence permanently, select Enter Setup on Startup Device Menu and press Enter to enter the BIOS menu. Enable or disable the configuration change detection feature If you enable configuration change detection, when the POST detects configuration changes of some hardware devices (such as storage drives or memory modules), an error message will be displayed when you turn on the computer. To enable or disable the configuration change detection feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Security ➙ Configuration Change Detection and press Enter. 3. Enable or disable the feature as desired. 26 M70s and M80s User Guide 4. Press F10 or Fn+F10 to save the changes and exit. To bypass the error message and log in to the operating system, press F2 or Fn+F2. To clear the error message, enter the BIOS menu, save and then exit. Enable or disable the automatic power-on feature The Automatic Power On item in UEFI BIOS provides various options for you to make your computer start up automatically. To enable or disable the automatic power-on feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Automatic Power On and press Enter. 3. Select the feature as desired and press Enter. 4. Enable or disable the feature as desired. 5. Press F10 or Fn+F10 to save the changes and exit. Enable or disable the smart power-on feature Ensure that the keyboard is connected to a USB connector supporting the smart power-on feature. With the smart power-on feature enabled, you can start up or wake up the computer from the hibernation mode by pressing Alt+P. To enable or disable the smart power-on feature: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Smart Power On and press Enter. 3. Enable or disable the feature as desired. 4. Press F10 or Fn+F10 to save the changes and exit. Enable or disable the ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go to: lenovo.com/us/en/compliance/eco-declaration You can enable the ErP LPS compliance mode to reduce the consumption of electricity when the computer is off or in sleep mode. To enable or disable the ErP LPS compliance mode: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Enhanced Power Saving Mode and press Enter. 3. Depending on whether you select Enabled or Disabled, do one of the following: • If you select Enabled, press Enter. Then, select Power ➙ Automatic Power On and press Enter. Check whether the Wake on LAN feature is disabled automatically. If no, disable it. • If you select Disabled, press Enter. Then, go to the next step. 4. Press F10 or Fn+F10 to save the changes and exit. When the ErP LPS compliance mode is enabled, you can wake up the computer by doing one of the following: Chapter 5. UEFI BIOS 27 • Press the power button. • Enable the Wake Up on Alarm feature to make the computer wake up at a set time. To meet the off mode requirement of ErP compliance, you need to disable the Fast Startup function. 1. Go to Control Panel and view by large icons or small icons. 2. Click Power Options ➙ Choose what the power buttons do ➙ Change settings that are currently unavailable. 3. Clear the Turn on fast startup (recommended) option from the Shutdown settings list. Change the ITS performance mode You can adjust the acoustic and thermal performance of your computer by changing the ITS performance mode. Three choices are available: • Best Performance (default setting): The computer works at the best system performance with normal acoustic level. • Best Experience: The computer works at the best experience with balanced noise and better performance. • Full Speed: All fans in the computer will run at full speed. To change the ITS performance mode: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. Select Power ➙ Intelligent Cooling and press Enter. 3. Select Performance Mode and press Enter. 4. Set the performance mode as desired. 5. Press F10 or Fn+F10 to save the changes and exit. Change BIOS settings before installing a new operating system BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system. Microsoft constantly makes updates to the Windows 10 operating system. Before installing a particular Windows 10 version, check the compatibility list for the Windows version. For details, go to: support.lenovo.com/us/en/solutions/windows-support To change the BIOS settings: 1. Restart the computer. When the logo screen is displayed, press F1 or Fn+F1. 2. From the main interface, select Security ➙ Secure Boot and press Enter. 3. Depending on the operating system to be installed, do one of the following: • To install the Windows 10 (64-bit) and most of Linux operating system, select Enabled for Secure Boot. • To install an operating system that does not support secure boot, select Disabled for Secure Boot. 4. Press F10 or Fn+F10 to save the changes and exit. Update UEFI BIOS When you install a new program, device driver, or hardware component, you might need to update UEFI BIOS. You can update the BIOS from your operating system or a flash update disc (supported only on selected models). 28 M70s and M80s User Guide Download and install the latest UEFI BIOS update package by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage to check the available update packages. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package. • From the Lenovo Support Web site: 1. Go to pcsupport.lenovo.com. 2. Download the flash BIOS update driver for the operating system version or the ISO image version (used to create a flash update disc). Then, download the installation instructions for the flash BIOS update driver you have downloaded. 3. Print the installation instructions and follow the instructions to update the BIOS. Recover from a BIOS update failure 1. Remove all media from the drives and turn off all connected devices. 2. Insert the BIOS update disc into the optical drive, and then turn off the computer. 3. Disconnect all power cords from electrical outlets. Then, remove any parts that impede access to the Clear CMOS /Recovery jumper. 4. Move the jumper from the standard position to the maintenance position. 5. Reconnect the power cords for the computer and the monitor to electrical outlets. 6. Turn on the computer and the monitor. When the computer beeps, the recovery process begins. 7. After the recovery process is completed, the computer will be turned off automatically. Note: Depending on the computer model, the recovery process will take two to three minutes. 8. Disconnect all power cords from electrical outlets. 9. Move the jumper back to the standard position. 10. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and the monitor to electrical outlets. 11. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 12. To prevent data loss, ensure that BIOS settings are restored to an earlier point. For BIOS configurations, see Chapter 5 “UEFI BIOS” on page 25. Clear CMOS 1. Remove all media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets. Then, remove any parts that impede access to the Clear CMOS /Recovery jumper. 3. Move the jumper from the standard position to the maintenance position. 4. Reconnect the power cords for the computer and the monitor to electrical outlets. 5. Turn on the computer and the monitor. When the computer beeps, wait for approximately 10 seconds. 6. Turn off the computer by holding the power button for approximately four seconds. 7. Disconnect all power cords from electrical outlets. 8. Move the jumper back to the standard position. 9. Reinstall all the parts that have been removed. Then, reconnect the power cords for the computer and the monitor to electrical outlets. 10. Turn on the computer and the monitor. When the logo screen is displayed, press F1 or Fn+F1. 11. To prevent data loss, ensure that BIOS settings are restored to an earlier point. For BIOS configurations, see Chapter 5 “UEFI BIOS” on page 25. Chapter 5. UEFI BIOS 29 30 M70s and M80s User Guide Chapter 6. Troubleshooting, diagnostics, and recovery This chapter provides solutions to resolve computer problems. Use the basic procedure as a starting point for resolving computer problems. Basic procedure for resolving computer problems Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. 1. Check that: a. The cables for all connected devices are connected correctly and securely. b. All components have been reassembled correctly. c. All connected devices that require ac power are connected to properly grounded and working electrical outlets. d. All connected devices are enabled in UEFI BIOS. 2. Use an antivirus program (if any) to see if the computer has been infected by a virus. If the program detects a virus, remove the virus. 3. See Chapter 6 “Troubleshooting, diagnostics, and recovery” on page 31 to resolve the problem you are experiencing, run the diagnostic program, and recover your operating system. 4. If the problem persists, contact Lenovo. See Chapter 8 “Help and support” on page 71. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms. © Copyright Lenovo 2020 31 Startup problems Problem Solution

The computer does not start up when you press the power button. • Ensure that the power cord is correctly connected to the rear of the computer and to a working electrical outlet. • If the computer has a secondary power switch on the rear of the computer, ensure that it is switched on. • The power indicator on the front of the computer is on. • The computer voltage matches the voltage available at the electrical outlet for your country or region. The operating system does not start up from the correct storage drive or fails to start up • In rare cases, the storage drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the storage drive.

• Ensure that all storage drive signal cables and power cables are connected correctly. • Ensure that the storage drive the computer starts up from is listed as the first startup device in UEFI BIOS. • If the computer is installed with an Optane memory: – Ensure that the Optane memory is not removed. – Ensure that the Optane memory is not damaged. Check the Optane memory using diagnostic tools. The computer beeps multiple times before the operating system starts up. Ensure that no keys are stuck. 32 M70s and M80s User Guide Audio problems Problem Solution

The audio cannot be heard on the Windows® operating system. • If you are using powered external speakers that have an On/Off control, ensure that: • Ensure that your external speakers (and headphones, if used) are connected to the correct audio connector on the computer. Most speaker cables are color-coded to match the audio connector. – The On/Off control is set to the On position. – The speaker power cable is connected to a properly grounded, functional ac electrical outlet. • If your external speakers have a volume control, ensure that the volume is not set too low. • Click the volume icon in the Windows notification area on the taskbar. Check the speaker and volume settings. Do not mute the speaker or set the volume at a very low level. • If your computer has a front audio panel, ensure that the volume is not set too low. Note: When external-speaker or headphone cables are connected to the audio connector, the internal speaker, if present, is disabled. In most cases, if an audio adapter is installed in one of the expansion slots, the audio function built into the system board is disabled. Therefore, you must use the audio connectors on the audio adapter. • Ensure that the program you are running is designed for use in the Microsoft Windows® operating system. If the program is designed to run in DOS, the program does not use the Windows sound feature. The program must be configured to use SoundBlaster Pro or SoundBlaster emulation. • Ensure that the audio device drivers are correctly installed. The sound does not come from the headset or headphones. Select the headset or headphones as the default audio output device in advanced sound settings. The sound comes from one of the external speakers. • Ensure that the speaker cable is inserted completely into the connector on the computer. • Ensure that the balance settings are set correctly. 1. Right-click the volume icon in the Windows notification area

• Ensure that the cable that connects the left speaker to the right speaker is securely connected. on the taskbar. Then, click Open Volume Mixer and select the desired speaker. 2. Click the speaker icon on top of the volume control, and then click the Levels tab. Network problems Note: The Wi-Fi® and Bluetooth® features are optional. Chapter 6. Troubleshooting, diagnostics, and recovery 33 Problem Solution

The computer cannot connect to an Ethernet LAN. • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. 3. Right-click the Ethernet LAN adapter icon and click Enable. • Update or reinstall the Ethernet LAN driver. • Enable the Ethernet LAN feature in UEFI BIOS. • Enable the Ethernet LAN adapter. 1. Go to Control Panel and view by large icons or small icons. 2. Click Network and Sharing Center ➙ Change adapter settings. • Install all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software. • Set the same duplex for the switch port and the adapter. If you configured the adapter for full duplex, ensure that the switch port is also configured for full duplex. Setting a wrong duplex mode might degrade performance, cause data loss, or result in lost connections. When a Gigabit Ethernet model computer is used at a speed of 1000 Mbps, the Ethernet LAN connection fails or errors occur. Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE-T hub/switch (not 100 BASE-X).

The Wake On LAN (WOL) feature does not work. Enable the Wake On LAN feature in UEFI BIOS.

The Wi-Fi feature does not work. • Enable the Wi-Fi feature in UEFI BIOS. 3. Expand Network adapters to display all network devices. 4. Right-click each Wi-Fi device, and then click Enable device.

• Enable all Wi-Fi devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation, if prompted. • Enable the Wi-Fi feature in Windows Settings. 1. Open the Start menu. 2. Click Settings ➙ Network & Internet ➙ Wi-Fi. 3. Enable the Wi-Fi feature. • Update or reinstall the Wi-Fi driver. 34 M70s and M80s User Guide Problem Solution

The Bluetooth feature does not work. • Enable the Bluetooth feature in UEFI BIOS. 4. Expand Network adapters to display all network devices. • Enable all Bluetooth devices. 1. Right-click the Start button to open the Start context menu. 2. Click Device Manager. Type the administrator password or provide confirmation if prompted. 3. Expand Bluetooth to display all Bluetooth devices. Right-click each Bluetooth device, and then click Enable device. Right-click each Bluetooth device, and then click Enable device. • Turn on the Bluetooth radio. 1. Open the Start menu. 2. Click Settings ➙ Devices ➙ Bluetooth & other devices. 3. Turn on the Bluetooth switch to enable the Bluetooth feature. • Update or reinstall the Bluetooth driver. Sound does not come from the Bluetooth headset or headphones. Select the Bluetooth headset or headphones as the default audio output device in advanced sound settings.

Chapter 6. Troubleshooting, diagnostics, and recovery 35 Performance problems Problem Solution

Excessive fragmented files exist on the storage drives. Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 3. Click Windows System ➙ File Explorer ➙ This PC. 4. Right-click your C drive and then click Properties. 1. Close any open programs and windows. 2. Open the Start menu. 5. Click the Tools tab. 6. Click Optimize. Select the drive as desired, and then click Optimize. 7. Follow the on-screen instructions. The free storage drive space is insufficient. category you want to delete, and then click OK. • Disable some Windows features or remove some unnecessary programs. • Clean out your Inbox, Sent Items, and Deleted Items folders from your e-mail application. • Clean up your C drive. 1. Open the Start menu. 2. Click Windows System ➙ File Explorer ➙ This PC. 3. Right-click your C drive and then click Properties. 4. Check the amount of free space, and then click Disk Cleanup. 5. A list of unnecessary file categories is displayed. Select the 1. Go to Control Panel and view by large icons or small icons. 2. Click Programs and Features. 3. Do one of the following: – To disable some Windows features, click Turn Windows features on or off. Follow the on-screen instructions. – To remove some unnecessary programs, select the program you want to remove, and then click Uninstall/ Change or Uninstall. The free memory space is insufficient. • Right-click a blank area on the taskbar and open Task Manager. Then, end some tasks you are not performing.

• Install additional memory modules. 36 M70s and M80s User Guide Storage drive problems Problem Solution

Some or all storage drives are missing from the BIOS menu. • Ensure that the signal cables and power cables for all the storage drives are connected correctly. – If the computer is installed with SATA storage drives, ensure that the SATA storage drive enablement module (one to five storage drives) is installed.

• Ensure that the computer is configured correctly to support the storage drives. – If the computer is installed with SAS storage drives, ensure that the SAS storage drive enablement module (one to five storage drives) or the LSI MegaRAID SAS adapter is installed. CD or DVD problems Problem Solution

A CD or DVD does not work. • Ensure that the optical drive supports the CD or DVD. • Ensure that the power cable and signal cable are securely connected to the drive. • Ensure that the disc is inserted correctly, with its label up. • Ensure that the disc you are using is clean. To remove dust or fingerprints, wipe the disc clean with a soft cloth from the center to the outside. Wiping a disc in a circular motion might cause loss of data. • Ensure that the disc you are using is not scratched or damaged. Try inserting another disc that you know works. • If you have multiple CD or DVD drives installed (or a combination of CD and DVD drives), try inserting the disc into the other drive. In some cases, only one of the drives is connected to the audio subsystem. A bootable recovery medium, such as the Product Recovery CD, cannot be used to start your computer. Ensure that the CD or DVD drive is set as the top priority of the boot priority order in UEFI BIOS. Note: On some computer models, the startup sequence is permanently set and cannot be changed. A black screen is displayed instead of the DVD video. • Restart the DVD player program. • Try a lower screen resolution or color depth. • Close any open files, and then restart the computer. A DVD movie does not play. • Ensure that the disc surface is clean and not scratched. • Check the disc or package for regional coding. You might need to purchase a disc with coding for the region where you are using the computer. No audio or only an intermittent audio comes out while a DVD movie is playing. • Check the volume control settings on the computer and on your speakers. • Ensure that the disc surface is clean and not scratched. • Check all cable connections to and from the speakers.

• Use the DVD menu for the video to select a different audio track. Chapter 6. Troubleshooting, diagnostics, and recovery 37 Problem Solution

The playback is slow or choppy. • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is less than 1152 x 864 pixels. A message indicating invalid disc or no disc found is displayed. • Ensure that the disc is in the drive with the shiny side of the disc facing down. • Ensure that video resolution is less than 1152 x 864 pixels. • Ensure that the DVD or CD is inserted into an appropriate optical drive. For example, do not insert a DVD into a CD-only drive. Serial connector problems

Problem Solution

The serial connector cannot be accessed. • Connect the serial cable from the serial connector on the computer to the serial device. If the serial device has its own power cord, connect the power cord to a grounded electrical outlet. • Install any programs supplied with the serial device. Refer to the documentation that comes with the serial device for more information.

• Turn on the serial device and keep the device online. • If you added one serial-connector adapter, ensure that the adapter is installed correctly. USB device problems Problem Solution

A USB device cannot be accessed. • Connect the USB cable from the USB connector to the USB device. If the USB device has its own power cord, connect the power cord to a grounded electrical outlet. • Install any device drivers or programs supplied with the USB device. Refer to the documentation that comes with the USB device for more information.

• Turn on the USB device and keep the device online. • Disconnect and reconnect the USB connector to reset the USB device. • Ensure that the Smart USB Protection function is disabled in UEFI BIOS. 38 M70s and M80s User Guide Software problems Problem Solution

Some programs do not work as expected. 1. Check whether the problem is caused by a program. computer.

a. Ensure that the software is compatible with the computer. Refer to the information supplied with the software for more information. b. Verify that other software works correctly on the computer. c. Verify that the software you are using works on another 2. If the problem is caused by a program: • Refer to the printed documentation that comes with the program or the help system of the program. • Update the program. • Uninstall the program and then reinstall it. To download a program that is preinstalled on your computer, go to pcsupport.lenovo.com and follow the on-screen instructions. Lenovo diagnostic tools For information about Lenovo diagnostic tools, go to: pcsupport.lenovo.com/lenovodiagnosticsolutions Recovery This section introduces the recovery information of the Windows 10 operating system. Ensure that you read and follow the on-screen recovery instructions. The data on your computer might be deleted during the recovery process. To avoid data loss, make a backup copy of all the data that you want to keep. Restore system files and settings to an earlier point 1. Go to Control Panel and view by large icons or small icons. 2. Click Recovery ➙ Open System Restore. Then, follow the on-screen instructions. Restore your files from a backup Note: If you use the File History tool to restore your files from a backup, ensure that you backed up your data earlier with the tool. 1. Go to Control Panel and view by large icons or small icons. 2. Click File History ➙ Restore personal files. Then, follow the on-screen instructions. Reset your computer In the resetting process, you can choose to keep your files or remove them when you reinstall the operating system. Note: The items in the graphical user interface (GUI) might change without notice. 1. Open the Start menu, and then click Settings ➙ Update & Security ➙ Recovery. 2. In the Reset this PC section, click Get started. 3. Follow the on-screen instructions to reset your computer. Chapter 6. Troubleshooting, diagnostics, and recovery 39 Use advanced options 1. Open the Start menu, and then click Settings ➙ Update & security ➙ Recovery. 2. In the Advanced startup section, click Restart now ➙ Troubleshoot ➙ Advanced options. 3. Select a preferred option, and then follow the on-screen instructions. Windows automatic recovery Note: Ensure that your computer is connected to ac power during the recovery process. The Windows recovery environment on your computer operates independently from the Windows 10 operating system. It enables you to recover or repair the operating system even if the Windows 10 operating system fails to start. After two consecutive failed boot attempts, the Windows recovery environment starts automatically. Then, you can choose repair and recovery options by following the on-screen instructions. Create and use a recovery USB device It is recommended that you create a recovery USB drive as early as possible as a backup for the Windows recovery programs. With the recovery USB drive, you can troubleshoot and fix the problems even if the preinstalled Windows recovery programs are damaged. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: pcsupport.lenovo.com/supportphonelist Create a recovery USB drive Attention: The creation process deletes anything stored on the USB drive. To avoid data loss, make a backup copy of all the data that you want to keep. 1. Ensure that your computer is connected to ac power. 2. Prepare a USB drive with capacity of at least 16 GB. The actual USB capacity required depends on the size of the recovery image. 3. Connect the prepared USB drive to the computer. 4. Type recovery in the search box. Then, click Create a recovery drive. 5. Click Yes in the User Account Control window to allow the Recovery Media Creator program to start. 6. In the Recovery Drive window, follow the on-screen instructions to create a recovery USB drive. Use the recovery USB drive If your computer cannot be started, go to Chapter 8 “Help and support” on page 71 first to try to solve the problem by yourself. If the problem persists, use the recovery USB drive to recover your computer. 1. Ensure that your computer is connected to ac power. 2. Connect the recovery USB drive to the computer. 3. Turn on or restart the computer. When the logo screen is displayed, press F12. The Boot Menu window opens. 4. Select the recovery USB drive as the boot device. 5. Click Troubleshoot to display optional recovery solutions. 6. Select a recovery solution as desired. Then, follow the on-screen instructions to complete the process. 40 M70s and M80s User Guide Update the device driver Attention: Reinstalling device drivers will change the current configuration of the computer. You should download the latest driver for a component when you notice poor performance from that component or when you added a component. This action might eliminate the driver as the potential cause of a problem. Download and install the latest driver by one of the following methods: • From Lenovo Vantage: Open Lenovo Vantage to check the available update packages. If the latest UEFI BIOS update package is available, follow the on-screen instructions to download and install the package. • From the Lenovo Support Web site: Go to pcsupport.lenovo.com and select the entry for your computer. Then, follow the on-screen instructions to download and install necessary drivers and software. • From Windows Update: Note: The device drivers provided by Windows Update might not be tested by Lenovo. It is recommended that you get device drivers from Lenovo. 1. Open the Start menu. 2. Click Settings ➙ Update & Security ➙ Windows Update. 3. Follow the on-screen instructions. Chapter 6. Troubleshooting, diagnostics, and recovery 41 42 M70s and M80s User Guide Chapter 7. CRU replacement What are CRUs Customer Replaceable Units (CRUs) are parts that can be upgraded or replaced by the customer. Lenovo computers contain the following types of CRUs: • Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost. • Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill level. Trained service technicians can also provide service to install or replace the parts under the type of warranty designated for the customer’s machine. If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You might be required to return the defective part that is replaced by the CRU. When return is required: (1) return instructions, a prepaid shipping label, and a container will be included with the replacement CRU; and (2) you might be charged for the replacement CRU if Lenovo does not receive the defective CRU within thirty (30) days of your receipt of the replacement CRU. For full details, see the Lenovo Limited Warranty documentation at: lenovo.com/warranty/llw_02 Refer to the following CRU list for your computer. Self-service CRUs • Computer cover • Front bezel • Memory module • Optical drive* • Optical drive bracket* • Primary storage drive* • Primary storage drive bracket* • Secondary storage drive* • Secondary storage drive bracket* • Storage converter* • Heat sink (for the M.2 solid-state drive)* • M.2 solid-state drive* • M.2 solid-state drive bracket* • PCI-Express card* • PCI-Express connector cable* • Power cord • Keyboard* • Mouse* • Vertical stand* • Smart cable clip* © Copyright Lenovo 2020 43 Optional-service CRUs • E-lock* • Power supply assembly • Coin-cell battery * for selected models Replace a CRU Follow the replacement procedure to replace a CRU. Vertical stand Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove any media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer. 3. Remove the vertical stand. 44 M70s and M80s User Guide 5. Reconnect the power cord and all disconnected cables to the computer. Computer cover Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. Replacement procedure 1. Remove any media from the drives and turn off all connected devices and the computer. 2. Disconnect all power cords from electrical outlets and disconnect all cables from the computer. 3. Unlock any locking device that secures the computer cover. 4. Remove the vertical stand. See “Vertical stand” on page 44. 5. Lay down the computer with the computer cover facing up. Chapter 7. CRU replacement 45 4. Install the vertical stand. 8. Place the computer in an upright position. 9. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Note: If a locking device is available, use it to lock the computer. Front bezel Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 46 M70s and M80s User Guide 6. Remove the computer cover. 7. Install the computer cover. 4. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Optical drive Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Chapter 7. CRU replacement 47 2. Remove the front bezel. 3. Install the front bezel. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Disconnect the signal and power cable from the optical drive. 4. Remove the optical drive. 48 M70s and M80s User Guide 5. Remove the optical drive bracket. 8. Connect the signal and power cable to the new optical drive. 9. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Drive bay assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. Chapter 7. CRU replacement 49 6. Install the optical drive bracket. 7. Install the optical drive. 5. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Storage drive Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: 50 M70s and M80s User Guide 3. Remove the drive bay assembly. 4. Install the drive bay assembly. • Replace the internal storage drive only for upgrade or repair. The internal storage drive is not designed for frequent changes or replacement. • Before replacing the internal storage drive, make a backup copy of all the data that you want to keep. • Do not touch the contact edge of the internal storage drive. Otherwise, the internal storage drive might get damaged. • Do not apply pressure to the internal storage drive. • Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage drive on a soft material, such as cloth, to absorb physical shocks. 3.5-inch primary storage drive 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. On the bottom of the drive bay assembly, disconnect the signal cable and the power cable from the 3.5- inch primary storage drive. 5. Remove the 3.5-inch primary storage drive with the bracket. 6. Remove the 3.5-inch primary storage drive. Chapter 7. CRU replacement 51 9. On the bottom of the drive bay assembly, connect the signal cable and the power cable to the new storage drive. 10. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. 2.5-inch primary storage drive 1. Remove the storage converter with the 2.5-inch primary storage drive. See “3.5-inch primary storage drive” on page 51. 52 M70s and M80s User Guide 7. Install the 3.5-inch primary storage drive. 8. Install the 3.5-inch primary storage drive with the bracket. 4. On the bottom of the drive bay assembly, connect the signal cable and the power cable to the new storage drive. 5. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. 2.5-inch secondary storage drive 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the optical drive. See “Optical drive” on page 47. 4. Remove the drive bay assembly. See “Drive bay assembly” on page 49. Chapter 7. CRU replacement 53 2. Remove the 2.5-inch primary storage drive from the storage converter. 3. Install the 2.5-inch primary storage drive to the storage converter. 54 M70s and M80s User Guide 5. On the bottom of the drive bay assembly, disconnect the signal cable and the power cable from the 2.5- inch secondary storage drive. 6. Remove the 2.5-inch secondary storage drive with the bracket. 7. Remove the 2.5-inch secondary storage drive. 10. On the bottom of the drive bay assembly, connect the signal cable and the power cable to the new storage drive. 11. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Heat sink (for the M.2 solid-state drive) Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. Refer to one of the following heat sink types to replace it. • Type 1 and Type 2 Chapter 7. CRU replacement 55 8. Install the 2.5-inch secondary storage drive. 9. Install the 2.5-inch secondary storage drive with the bracket. 56 M70s and M80s User Guide a. Pull out the stopper. b. Pull out the heat sink with the bracket. c. Remove the heat sink. d. Remove the M.2 solid-state drive. e. Remove the film that covers the thermal pad, if any. Then, install the M.2 solid-state drive. f. Remove the film that covers the thermal pad, if any. Then, install the heat sink. g. Insert the heat sink with the bracket. Chapter 7. CRU replacement 57 58 M70s and M80s User Guide • Type 3 a. Pull out the stopper. h. Insert the stopper. b. Pull out the heat sink with the M.2 solid-state drive. 5. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. M.2 solid-state drive Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Chapter 7. CRU replacement 59 c. Remove the M.2 solid-state drive. d. Remove the film that covers the thermal pad, if any. Then, install the M.2 solid-state drive. e. Insert the heat sink with the M.2 solid-state drive. f. Insert the stopper. Attention: The internal storage drive is sensitive. Inappropriate handling might cause damage and permanent loss of data. When handling the internal storage drive, observe the following guidelines: • If the Optane memory is not a CRU, do not attempt to replace the Optane memory in the M.2 solid-state drive slot. Replacement of the Optane memory must be done by a Lenovo-authorized repair facility or technician. • Replace the internal storage drive only for upgrade or repair. The internal storage drive is not designed for frequent changes or replacement. • Before replacing the internal storage drive, make a backup copy of all the data that you want to keep. • Do not touch the contact edge of the internal storage drive. Otherwise, the internal storage drive might get damaged. • Do not apply pressure to the internal storage drive. • Do not make the internal storage drive subject to physical shocks or vibration. Put the internal storage drive on a soft material, such as cloth, to absorb physical shocks. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. Depending on the heat sink types, do one of the following: • To remove the M.2 solid-state drive with the heat sink, see “Heat sink (for the M.2 solid-state drive)” on page 55. • To remove the M.2 solid-state drive without the heat sink, do the following: a. Pull out the stopper. 60 M70s and M80s User Guide 5. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. M.2 solid-state drive bracket Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. Remove the M.2 solid-state drive. See “M.2 solid-state drive” on page 59. Chapter 7. CRU replacement 61 b. Remove the M.2 solid-state drive. c. Install the M.2 solid-state drive. d. Insert the stopper. 7. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Memory module Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Ensure that you follow the installation order for memory modules shown in the following illustration. 62 M70s and M80s User Guide 5. Remove the M.2 solid-state drive bracket. 6. Install the M.2 solid-state drive bracket. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. Remove a memory module. Chapter 7. CRU replacement 63 Note: During the installation, ensure that you align the memory module to the slot and press down on both ends until the latches are fully engaged with a click. 6. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. PCI-Express connector cable Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Disconnect the cable from the system board. 3. Remove the PCI-Express connector cable. 64 M70s and M80s User Guide 5. Install a memory module. 5. Connect the new cable to the system board. 6. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. PCI-Express card Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove a PCI-Express card. 4. Install the PCI-Express connector cable. Chapter 7. CRU replacement 65 4. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Coin-cell battery Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel connector assignments (configurations). A coin-cell battery keeps this information active when you turn off the computer. The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell battery lasts forever. If the coin-cell battery fails, the date and time information is lost. An error message is displayed when you turn on the computer. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 66 M70s and M80s User Guide 3. Remove the PCI-Express connector cable, if any. See “PCI-Express connector cable” on page 64. Then, install the PCI-Express card. 4. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. 5. Reset the system date and time in the UEFI BIOS menu. To dispose of the coin-cell battery, refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide. Power supply assembly Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Although there are no moving parts in the computer after the power cord has been disconnected, the following warnings are required for your safety. 2. Remove the coin-cell battery. 3. Install the coin-cell battery. Chapter 7. CRU replacement 67 Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seek medical care immediately.Never remove the cover on a power supply or any part that has the following label attached. Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. Replacement procedure 1. Remove the computer cover. See “Computer cover” on page 45. 2. Remove the front bezel. See “Front bezel” on page 46. 3. Remove the drive bay assembly. See “Drive bay assembly” on page 49. 4. Remove the power supply assembly. 68 M70s and M80s User Guide 5. Install the power supply assembly. 6. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. E-lock Prerequisite Before you start, read Appendix A “Important safety information” on page 75 and print the following instructions. Note: To remove the screws, you need a special tool (T15 star wrench). 1. Remove the computer cover. See “Computer cover” on page 45. 2. Disconnect the E-lock cable from the system board. 3. Remove the E-lock. 4. Install the E-lock. 5. Connect the E-lock cable to the system board. 6. Reinstall all the removed parts. Then, reconnect the power cord and all disconnected cables to the computer. Chapter 7. CRU replacement 69 70 M70s and M80s User Guide Chapter 8. Help and support Self-help resources Use the following self-help resources to learn more about the computer and troubleshoot problems. Resources How to access? Use Lenovo Vantage to: • Configure device settings.

• Download and install UEFI BIOS, drivers and firmware updates. • Secure you computer from outside threats. • Check the computer warranty status. • Access User Guide and helpful articles. • Open the Start menu and click Lenovo Vantage. • Use Windows Search. Product documentation: • Safety and Warranty Guide • Setup Guide • This User Guide • Regulatory Notice Go to pcsupport.lenovo.com. Then, follow the on- screen instructions to filter out the documentation you want. Lenovo Support Web site with the latest support information of the following: • Drivers and software • Diagnostic solutions • Product and service warranty • Product and parts details • Knowledge base and frequently asked questions pcsupport.lenovo.com Windows help information • Open the Start menu and click Get Help or Tips. • Use Windows Search or the Cortana® personal assistant.

• Microsoft support Web site: support.microsoft.com © Copyright Lenovo 2020 71 Call Lenovo If you have tried to correct the problem yourself and still need help, you can call Lenovo Customer Support Center. Before you contact Lenovo Prepare the following before you contact Lenovo: 1. Record the problem symptoms and details: • What is the problem? Is it continuous or intermittent? • Any error message or error code? • What operating system are you using? Which version? • Which software applications were running at the time of the problem? • Can the problem be reproduced? If so, how? 2. Record the system information: • Product name • Machine type and serial number The following illustration shows where to find the machine type and serial number of your computer. Lenovo Customer Support Center During the warranty period, you can call Lenovo Customer Support Center for help. Telephone numbers For a list of the Lenovo Support phone numbers for your country or region, go to: pcsupport.lenovo.com/supportphonelist Note: Phone numbers are subject to change without notice. If the number for your country or region is not provided, contact your Lenovo reseller or Lenovo marketing representative. 72 M70s and M80s User Guide Services available during the warranty period • Problem determination - Trained personnel are available to assist you with determining if you have a hardware problem and deciding what action is necessary to fix the problem. • Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service. • Engineering change management - Occasionally, there might be changes that are required after a product has been sold. Lenovo or your reseller, if authorized by Lenovo, will make selected Engineering Changes (ECs) that apply to your hardware available. Services not covered • Replacement or use of parts not manufactured for or by Lenovo or nonwarranted parts • Identification of software problem sources • Configuration of UEFI BIOS as part of an installation or upgrade • Changes, modifications, or upgrades to device drivers • Installation and maintenance of network operating systems (NOS) • Installation and maintenance of programs For the terms and conditions of the Lenovo Limited Warranty that apply to your Lenovo hardware product, see “Warranty information” in the Safety and Warranty Guide that comes with your computer. Purchase additional services During and after the warranty period, you can purchase additional services from Lenovo at: lenovo.com/services Service availability and service name might vary by country or region. Chapter 8. Help and support 73 74 M70s and M80s User Guide


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