LENOVO IDEAPAD 3 15IIL05 (01) PDF Document

* for selected models

* for selected models

The speakers are located on the bottom of the computer to produce sound.

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.

Maximum altitude (without pressurization)

3048 m (10000 ft)

Temperature

• At altitudes up to 2438 m (8000 ft)

– Operating: 5°C to 35°C (41°F to 95°F)

– Storage: 5°C to 43°C (41°F to 109°F)

• At altitudes above 2438 m (8000 ft)

– Maximum temperature when operating under the unpressurized condition: 31.3°C (88°F)

Note: When you charge the battery, its temperature must be no lower than 10°C (50°F).

Relative humidity

• Operating: 8% to 95% at wet-bulb temperature 23°C (73°F)

• Storage: 5% to 95% at wet-bulb temperature 27°C (81°F)

If you are using a local account to sign in to Windows 10, you can switch to use a Microsoft account instead.

Step 1. Open the Start menu and select Settings → Accounts.

Step 2. Select Sign in with a Microsoft account instead.

Step 3. If you already have a Microsoft account, enter the account name and password to sign in. Otherwise, select Create one to create a new Microsoft account.

Note: The device must have Internet access the first time you use a Microsoft account on that device.

If you want to switch back to use a local account, open the Start menu and select Settings → Accounts → Sign in with a local account instead.

Your user account must be of the “Administrator” type to add additional user accounts to Windows.

Step 1. Open the Start menu and select Settings → Accounts → Family & other users.

Step 2. Select Add someone else to this PC.

Note: To add family members, you need to sign in with a Microsoft account.

Step 3. Set the user name and password for the user account.

If your computer includes a fingerprint reader, you can enroll your fingerprint for Windows sign-in.

Step 1. Open the Start menu and select Settings → Accounts → Sign-in options.

Note: If you are using a local account, the account must be password protected. Otherwise, you cannot enroll fingerprints.

Step 2. Select Windows Hello Fingerprint → Set up → Get started.

Step 3. Follow on-screen instructions to complete the enrollment. Create a PIN when prompted, in case your fingerprint cannot be recognized at Windows sign-in.

Note: You can enroll more than one fingerprint.

• Click the Start button.

• Press the Windows logo key on the keyboard.

Open the Start menu and select Windows System → Control Panel.

Step 1. Click the network icon in the Windows notification area. A list of nearby networks is displayed.

Note: If no network is displayed, check to ensure that the airplane mode is not turned on.

Step 2. Select a network and click Connect. Provide security key if prompted.

Note: The network key is usually managed by the network administrator.

Step 1. Select Start → Settings → Network & Internet → Wi-Fi.

Step 2. Click Manage known networks.

Step 3. Click the network name and click Forget.

Step 1. Click the action center icon in the Windows notification area.

Step 2. Click the Airplane mode icon to turn it on or off.

Note: Click Expand if you cannot find the airplane mode icon.

The Novo Button menu can be displayed before the operating system starts. From the menu, you can choose to:

• Open the BIOS/UEFI setup utility

• Open the boot device selection menu

• Open the Windows startup options screen

To open the Novo Button menu:

Step 1. Turn off the computer.

Step 2. Open the LCD screen and press the Novo button.

Note: Alternatively, turn off the computer. Press Fn and the power button to open the Novo Button menu.

Some hotkeys share keys with function keys (F1 to F12). The hotkey mode is a UEFI/BIOS setting that changes how hotkeys (or function keys) are used.

Press the NumLock key to enable or disable the numeric keypad.

The battery status icon is in the Windows notification area. You can check the battery status, view the current power plan, and access battery settings quickly.

Click the battery status icon to display the percentage of battery power remaining and change the power mode. A warning message is displayed when the battery is low.

When the remaining battery power is low, charge your battery by connecting your computer to ac power.

The battery is fully charged in about two to four hours. The actual charging time depends on the battery capacity, the physical environment, and whether you are using the computer.

Battery charging is also affected by its temperature. The recommended temperature range for charging the battery is between 10°C (50°F) and 35°C (95°F).

Note: To maximize the life of the battery, the computer does not start recharging the battery if the remaining power is greater than 95%.

You can check the battery temperature in Lenovo Vantage or Lenovo PC manager.

Step 1. Open Lenovo Vantage.

Step 2. Click Hardware Settings → Power.

Step 3. Locate the Power Status section and then click Show Details to view the battery temperature.

Note: If you’re using Lenovo PC Manager, select System hardware → Battery.

By default, pressing the power button puts the computer to sleep mode. However, you can change the power button behavior in Windows Control Panel.

Step 1. Right-click the battery status icon in the Windows notification area.

Step 2. Select Power Options → Choose what the power button does.

A power plan is a set of power saving settings. You can choose a pre-defined power plan or you can create your own plans.

Step 1. Right-click the battery status icon in the Windows notification area.

Step 2. Select Power Options → Change plan settings.

Step 1. Turn on or restart the computer.

Step 2. When the Lenovo logo appears on the screen, press F2 repeatedly.

Note: For computers with hotkey mode enabled, press Fn + F2.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Navigate to the Boot menu.

Step 3. Follow on-screen instructions to change the order of devices under Boot Priority Order.

Note: You can also change startup sequence temporarily without opening the setup utility. To do so, start the computer. When the Lenovo logo appears, press F12 (or Fn + F12) repeatedly.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Configuration → Hotkey Mode and press Enter.

Step 3. Change the setting to Disabled or Enabled.

Step 4. Select Exit → Exit Saving Changes.

For some Lenovo computers with always-on connectors, the always-on function can be enabled or disabled in the UEFI/BIOS setup utility.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Configuration → Always On USB and press Enter.

Step 3. Change the setting to Disabled or Enabled.

Step 4. Select Exit → Exit Saving Changes.

Notes:

• All passwords set in the setup utility consist of alphanumeric characters only.

• If you start the setup utility using the user password, you can only change a few settings.

You set the administrator password to prevent unauthorized access to the UEFI/BIOS setup utility.

Attention: If you forget the administrator password, a Lenovo authorized service personnel cannot reset your password. You must take your computer to a Lenovo authorized service personnel to have the system board replaced. Proof of purchase is required and a fee will be charged for parts and service.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security → Set Administrator Password and press Enter.

Step 3. Enter a password string that contains only letters and numbers and then press Enter.

Step 4. Enter the password again and press Enter.

Step 5. Select Exit → Exit Saving Changes.

Next time you start the computer, you must enter the administrator password to open the setup utility. If Power on Password is enabled, you must enter the administrator password or the user password to start the computer.

Only the administrator can change or remove the administrator password.

Step 1. Open the UEFI/BIOS setup utility using the administrator password.

Step 2. Select Security → Set Administrator Password and press Enter.

Step 3. Enter the current password.

Step 4. In the Enter New Password text box, enter the new password.

Step 5. In the Confirm New Password text box, enter the new password again.

Note: If you want to remove the password, press Enter in both text boxes without entering any character.

Step 6. Select Exit → Exit Saving Changes.

You must set the administrator password before you can set the user password.

Step 1. Open the UEFI/BIOS setup utility using the administrator password.

Step 2. Select Security → Set User Password and press Enter.

Step 3. Enter a password string that contains only letters and numbers and then press Enter. The user password must be different from the administrator password.

Step 4. Enter the password again and press Enter.

Step 5. Select Exit → Exit Saving Changes.

If the administrator password has been set, you can enable power-on password to enforce greater security.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security → Power on Password and press Enter.

Note: The administrator password must be set in advance.

Step 3. Change the setting to Enabled.

Step 4. Select Exit → Exit Saving Changes.

If power-on password is enabled, a prompt appears on the screen every time you turn on the computer. You must enter the administrator or user password to start the computer.

You can set a hard disk password in the setup utility to prevent unauthorized access to your data.

Attention: Be extremely careful when setting a hard disk password. If you forget the hard disk password, a Lenovo authorized service personnel cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized service personnel to have the hard disk drive replaced. Proof of purchase is required and a fee will be charged for parts and service.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security → Set Hard Disk Password and press Enter.

Note: If you start the setup utility using the user password, you cannot set hard disk password.

Step 3. Follow on-screen instructions to set both master and user passwords.

Note: The master and user hard disk passwords must be set at the same time.

Step 4. Select Exit → Exit Saving Changes.

If the hard disk password is set, you must provide the correct password to start the operating system.

Step 1. Open the UEFI/BIOS setup utility.

Step 2. Select Security.

Step 3. Change or remove the hard disk password.

To change or remove master password, select Change Master Password and press Enter.

Note: If you remove the master hard disk password, the user hard disk password is also removed.

To change user password, select Change User Password and press Enter.

Note: The user hard disk password cannot be removed separately.

Step 4. Select Exit → Exit Saving Changes.

Attention: 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.

Step 1. In the Windows 10 search box, enter Create a restore point and select the matched result.

Step 2. Select the System Protection tab and then select Create.

Note: System protection must be turned on for the system drive (typically with drive letter C) before you can create restore points. Select a drive and then select Configure to turn on or disable system protection.

Step 1. In Windows 10 search box, enter Recovery and select the matched result.

Step 2. Select Open System Restore → Next.

Step 3. Select a restore point and then select Next → Finish.

Note: You may select Scan for affected programs to check which program and driver installation is associated with a particular restore point.

If Windows is not running well as usual, you can choose to reset it.

Step 1. Open the Start menu and then select Settings → Update & Security → Recovery.

Step 2. Under Reset this PC, click Get started.

Step 3. Choose either Keep my files or Remove everything.

Attention: Back up personal data before choosing Remove everything.

Step 4. Follow on-screen instructions to complete the reset process.

Use a USB drive (not supplied) to create a Windows recovery drive. If Windows will not start, you can use the recovery drive to restore or reset Windows.

Step 1. In the Windows 10 search box, enter Create a recovery drive and select the matched result.

Step 2. Make sure Back up system files to the recovery drive is selected and then select Next.

Step 3. Plug a USB drive into your computer, select it, and then select Next → Create.

Attention: Previous files on the drive will be deleted. Back up personal files before using it to create a recovery drive.

When the recovery drive is created, you may see a Delete the recovery partition from your PC option. If you want to free up drive space on your computer, select it and then select Delete. Otherwise, select Finish.

If Windows cannot start, you can use a recovery drive (created in advance) to restore or reset Windows.

Step 1. Connect the recovery drive to your computer; restart your computer and set it to start from the recovery drive.

Step 2. On the Choose an option screen, select Troubleshoot.

Step 3. Choose a recovery option.

Select Advanced Options → System Restore to restore your computer to a system restore point.

Or select Recover from a drive to reset your computer.

Note: If you did not select the Back up system files to the recovery drive option when creating the recovery drive, Recovery from a drive is not available.

Attention: All personal files created on your computer will be deleted after recovering from the drive.

Press and hold the power button until the computer turns off. Then restart the computer.

1. Carefully unplug the ac power adapter and turn off the computer immediately. The more quickly you stop the current from passing through the computer the more likely you will reduce damage from short circuits.

Attention: Although you might lose some data or work by turning off the computer immediately, leaving the computer on might make your computer unusable.

2. Wait until you are certain that all the liquid is dry before turning on your computer.

CAUTION: Do not try to drain out the liquid by turning over the computer. If your computer has keyboard drainage holes on the bottom, the liquid will be drained out through the holes.

When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot. The AC power adapter also generates heat when connected to power.

• Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of the computer for more than one minute.

• Periodically take hands from using the keyboard by lifting your hands from the palm rest.

• Do not place the ac power adapter in contact with any part of your body while it is in use.

• Never use it to warm your body.

• Do not wrap the cords around the ac power adapter while in use.

To avoid spills and the danger of electrical shock, keep liquids away from your computer.

Applying strong force to cables may damage or break them. Route communication lines, or the cables of an ac power adapter, a mouse, a keyboard, a printer, or any other electronic device, so that they cannot be walked on, tripped over, pinched by your computer or other objects, or in any way subject to treatment that could interfere with the operation of your computer.

Before moving a computer equipped with a hard disk drive, do one of the following:

• Turn it off.

• Put it in sleep mode.

• Put it in hibernation mode.

This helps to prevent damage to the computer, and possible loss of data.

Handling:

Do not drop, bump, scratch, twist, hit, vibrate, push, or place heavy objects on your computer, display, or external devices.

Carrying:

• Use a quality carrying case that provides adequate cushioning and protection.

• Do not pack your computer in a tightly packed suitcase or bag.

• Before putting your computer in a carrying case, make sure that it is off, in sleep mode, or in hibernation mode. Do not put a computer in a carrying case while it is turned on.

• When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot. Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of the computer for any extended length of time.

• Do not operate your computer or charge the battery near flammable materials or in explosive environments.

• Ventilation slots, fans and/or heat sinks are provided with the product for safety, comfort, and reliable operation. These features might inadvertently become blocked by placing the product on a bed, sofa, carpet, or other flexible surface. Never block, cover, or disable these features.

• Keep the cover closed whenever the computer is plugged in.

• Regularly inspect the outside of the computer for dust accumulation.

• Remove dust from vents and any perforations in the bezel.

• Do not restrict or block any ventilation openings.

• Do not operate your computer inside furniture, as this might increase the risk of overheating.

• Airflow temperatures into the computer should not exceed 35°C (95°F).

To connect:

1. Turn everything OFF.

2. First, attach all cables to devices.

3. Attach signal cables to connectors.

4. Attach power cords to outlets.

5. Turn devices ON.

To disconnect:

1. Turn everything OFF.

2. First, remove power cords from outlets.

3. Remove signal cables from connectors.

4. Remove all cables from devices.

Note: Depending on your keyboard, some of the following keyboard shortcuts might not be available.

• Windows logo key + U: Open Ease of Access Center

• Right Shift for eight seconds: Turn on or turn off Filter Keys

• Shift five times: Turn on or turn off Sticky Keys

• Num Lock for five seconds: Turn on or turn off Toggle Keys

• Left Alt+Left Shift+Num Lock: Turn on or turn off Mouse Keys

• Left Alt+Left Shift+PrtScn (or PrtSc): Turn on or turn off High Contrast

1. Go to Control Panel and view by Category.

2. Click Ease of Access → Ease of Access Center.

3. Choose the appropriate tool by following the on-screen instructions.

To use Speech Recognition:

1. Go to Control Panel and view by Category.

2. Click Ease of Access → Speech Recognition.

3. Follow the on-screen instructions.

To adjust the screen resolution:

1. Right-click a blank area on the desktop and then click Display settings → Display.

2. Follow the on-screen instructions.

Note: Setting a resolution too low might prevent some items from fitting on the screen.

Change the size of all the items on your screen.

1. Right-click a blank area on the desktop and then click Display settings → Display.

2. Change the item size by following the on-screen instructions. For some applications, your configuration might not take effect until you sign out and then sign in again.

Change the size of the items on a Web page.

Press and hold Ctrl, and then press the plus-sign key (+) to enlarge or the minus-sign key (-) to reduce the text size.

Change the size of the items on the desktop or a window.

Note: This function might not work on some windows.

If your mouse has a wheel, press and hold Ctrl, and then scroll the wheel to change the item size.

General posture: Make minor modifications in your working posture to deter the onset of discomfort caused by long periods of working in the same position. Frequent short breaks from your work also help to prevent minor discomfort associated with your working posture.

Display: Position the display to maintain a comfortable viewing distance of 510 mm to 760 mm (20 inches to 30 inches). Avoid glare or reflections on the display from overhead lighting or outside sources of light. Keep the display screen clean and set the brightness to levels that enable you to see the screen clearly. Press the brightness control keys to adjust display brightness.

Head position: Keep your head and neck in a comfortable and neutral (vertical, or upright) position.

Chair: Use a chair that gives you good back support and seat height adjustment. Use chair adjustments to best suit your comfort posture.

Arm and hand position: If available, use chair arm rests or an area on your working surface to provide weight support for your arms. Keep your forearms, wrists, and hands in a relaxed and neutral (horizontal) position. Type with a soft touch without pounding the keys.

Leg position: Keep your thighs parallel to the floor and your feet flat on the floor or on a footrest.

Lenovo has preset the following power-management features to take effect when your computer has been inactive for a specified length of time.