DELL INSPIRON 15 3511 (02) PDF MANUAL

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

WARNING: Disconnect your computer from all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting your computer to an electrical outlet.

CAUTION: To avoid damaging the computer, ensure that the work surface is flat, dry, and clean.

CAUTION: To avoid damaging the components and cards, handle them by their edges, and avoid touching the pins and the contacts.

CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty.

CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components.

CAUTION: When you disconnect a cable, pull it by its connector or its pull tab, not the cable itself. Some cables have connectors with locking tabs or thumbscrews that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned.

CAUTION: Press and eject any installed card from the media-card reader.

CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used and should be replaced and disposed properly.

1. Save and close all open files and exit all open applications.

2. Shut down your computer. Click Start > Power > Shut down.

NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.

3. Disconnect your computer and all attached devices from their electrical outlets.

4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer.

5. Remove any media card and optical disc from your computer, if applicable.

6. After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board.

CAUTION: Place the computer on a flat, soft, and clean surface to avoid scratches on the display.

7. Place the computer face down.

Observe the following safety precautions before you perform any installation or break/fix procedures involving disassembly or reassembly:

• Turn off the system and all attached peripherals.

• Disconnect the system and all attached peripherals from AC power.

• Disconnect all network cables, telephone, and telecommunications lines from the system.

• Use an ESD field service kit when working inside any to avoid electrostatic discharge (ESD) damage.

• After removing any system component, carefully place the removed component on an anti-static mat.

• Wear shoes with non-conductive rubber soles to reduce the chance of getting electrocuted.

ESD is a major concern when you handle electronic components. Very slight charges can damage circuits. Due to the increased density of semiconductors in recent Dell products, sensitivity to static damage is now higher.

Two recognized types of ESD damage are catastrophic and intermittent failures.

• Catastrophic – Represents about 20% of ESD-related failures, causing immediate and complete loss of device functionality.

• Intermittent – Represents about 80% of ESD-related failures. The damage is not immediately recognizable, but a weakened trace may take weeks or months to melt, causing issues like degradation of memory integrity or intermittent memory errors.

Perform the following steps to prevent ESD damage:

• Use a wired ESD wrist strap that is properly grounded. Wireless anti-static straps are not adequate.

• Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.

• When unpacking a static-sensitive component, do not remove it from its anti-static packing material until you are ready to install it. Before unwrapping, discharge static electricity from your body.

• Before transporting a static-sensitive component, place it in an anti-static container or packaging.

The components of an ESD field service kit are:

• Anti-Static Mat: Dissipative mat where parts can be placed. Your wrist strap should be snug and the bonding wire connected to the mat and any bare metal on the system.

• Wrist Strap and Bonding Wire: Connects between your wrist and bare metal on the hardware, or to the anti-static mat. This physical connection is known as bonding. It is recommended to test the wrist strap and bonding wire at least once per week.

• ESD Wrist Strap Tester: Wires inside a strap can be damaged. Test the strap prior to each service call. Plug the strap’s wire into the tester while wearing it and push the button. A green LED indicates success; a red LED and alarm indicates failure.

• Insulator Elements: Keep ESD-sensitive devices away from insulators like plastic heat sink casings, which can be highly charged.

• Working Environment: Assess the location. Look for a large, open, flat work area free of clutter. Insulators like Styrofoam and other plastics should be at least 12 inches (30 cm) away from sensitive parts.

• ESD Packaging: All ESD-sensitive devices must be shipped and received in static-safe packaging. Metal, static-shielded bags are preferred. Always return the damaged part using the same ESD bag and packaging that the new part arrived in. Only remove devices from packaging at an ESD-protected work surface.

• Transporting Sensitive Components: When transporting ESD sensitive components, it is critical to place them in anti-static bags for safe transport.

Service Mode allows you to immediately cut off electricity from the computer and conduct repairs without disconnecting the battery cable from the system board.

1. Shut down your computer and disconnect the AC adapter.

2. Hold the B key on the keyboard and press the power button for 3 seconds or until the Dell logo appears on the screen.

3. Press any key to continue.

NOTE: If the power adapter has not been disconnected, a message prompting you to remove the AC adapter appears on the screen. Remove the AC adapter and then press any key to continue the Service Mode procedure.

4. When the ready-to-proceed message appears on the screen, press any key to proceed. The computer emits three short beeps and shuts down immediately.

Once the computer shuts down, you may perform the replacement procedures without disconnecting the battery cable from the system board.

1. Connect the AC adapter to the power-adapter port on your computer.

2. Press the power button to turn on the computer. Your computer will automatically return to normal functioning mode.

NOTE: Leaving stray or loose screws inside your computer may severely damage your computer.

1. Replace all screws and ensure that no stray screws remain inside your computer.

2. Connect any external devices, peripherals, or cables you removed before working on your computer.

3. Replace any media cards, discs, or any other parts that you removed before working on your computer.

4. Connect your computer and all attached devices to their electrical outlets.

5. Turn on your computer.

The procedures in this document may require the following tools:

• Phillips #0 screwdriver

• Phillips #1 screwdriver

• Plastic scribe-Recommended for field technician

1. Base cover

2. Battery

3. Speaker

4. Power button with optional fingerprint reader

5. Trackpad

6. Trackpad bracket

7. DC-in port

8. SSD thermal bracket

9. Solid-state drive(SSD)

10. Palm-rest and keyboard assembly

11. Display assembly

12. Memory modules

13. WLAN card

14. IO daughter-board

15. System board

16. Heatsink

17. System fan

18. IO daughter-board FFC

19. Hard-drive assembly

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

Steps:

1. Push the secure digital card to release it from the computer.

2. Slide the secure digital card out of the computer.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

Slide the secure digital into the slot until it clicks into place.

Next steps:

1. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

Steps:

1. Remove the six screws (M2x5) that secure the base cover to the palm-rest and keyboard assembly.

2. Loosen the two captive screws that secure the base cover to the palm-rest and keyboard assembly.

3. Pry open the base cover starting from the recesses located in the U-shaped indents at the top edge of the base cover near the hinges.

4. Lift and slide the base cover off the palm-rest and keyboard assembly.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align and place the base cover on the computer, press the edges and sides of the base cover until it snaps into place.

2. Tighten the two captive screws that secure the base cover to the palm-rest and keyboard assembly.

3. Replace the six screws (M2x5) that secure the base cover to the palm-rest and keyboard assembly.

Next steps:

1. Exit service mode.

2. Replace the SD card.

3. Follow the procedure in “After working inside your computer”.

CAUTION:

• Exercise caution when handling Lithium-ion batteries.

• Discharge the battery completely before removing it. Disconnect the AC power adapter from the system and operate the computer solely on battery power—the battery is fully discharged when the computer no longer turns on when the power button is pressed.

• Do not crush, drop, mutilate, or penetrate the battery with foreign objects.

• Do not expose the battery to high temperatures, or disassemble battery packs and cells.

• Do not apply pressure to the surface of the battery.

• Do not bend the battery.

• Do not use tools of any kind to pry on or against the battery.

• Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components.

• If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance.

• Always purchase genuine batteries from authorized Dell partners and resellers.

• Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to handle and replace swollen Lithium-ion batteries, see “Handling swollen Lithium-ion batteries”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Remove the base cover.

Steps:

1. Disconnect the battery cable from the connector on the system board.

2. Fold back the hard-drive FFC from over the battery.

3. Remove the three (M2x3) screws that secure the battery to the palm-rest and keyboard assembly.

4. Lift and move the battery away from the computer.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation process.

Steps:

1. Place the battery on the palm-rest and keyboard assembly.

2. Fold back the hard-drive FFC over the battery.

3. Align the screw holes on the battery to the screw holes on the palm-rest and keyboard assembly.

4. Replace the three screws (M2x3) that secure the battery to the palm-rest and keyboard assembly.

5. Connect the battery cable to the connector on the system board.

Next steps:

1. Install the base cover.

2. Install the SD card.

3. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Remove the base cover.

Steps:

1. Disconnect the battery cable from the connector on the system board.

2. Remove the four (M2x3) screws that secure the battery to the palmrest.

3. Lift and move the battery away from the computer.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation process.

Steps:

1. Place the battery on the palm-rest and keyboard assembly.

2. Align the screw holes on the battery to the screw holes on the palmrest and keyboard assembly.

3. Replace the three screws (M2x3) that secure the battery to the palmrest and keyboard assembly.

4. Connect the battery cable to the connector on the system board.

Next steps:

1. Install the base cover.

2. Install the SD card.

3. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Remove the base cover.

Steps:

1. Lift the latch on the battery cable.

2. Disconnect the battery cable from the connector on the battery.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Remove the base cover.

Steps:

1. Connect the battery cable to the connector on the battery.

2. Close the latch on the battery cable connector to secure it to the battery.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

NOTE: Depending on the configuration ordered your computer may come shipped with one or two memory modules installed.

Steps:

1. Use your fingertips to carefully spread apart the securing-clips on each end of the memory-module slot until the memory module pops up.

2. Lift at an angle and remove the memory module from its slot on the system board.

3. Repeat the procedure above for the second memory module, if applicable.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align the notch on the memory module with the tab on the memory module slot and slide the memory module firmly into the slot at an angle.

2. Press down on the memory module to snap it into place.

NOTE: If you do not hear the click, remove the memory module and reinstall it.

3. Ensure that the securing clips have locked the memory module into place.

NOTE: If the securing clips are not locking the memory module into place remove the memory module from the slot and repeat steps 1 and 2.

4. Repeat the procedure above for the second memory module, if applicable.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Remove the single (M2x3) screw that secures the WLAN-card bracket to the system board.

2. Slide and remove the WLAN-card bracket that secures the WLAN-antenna cables.

3. Disconnect the WLAN-antenna cables from the connectors on the WLAN card.

4. Slide and remove the wireless card from the M.2 card slot on the system board.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme:

2. Slide the wireless card into the M.2 card slot on the system board.

3. Place the wireless-card bracket on the wireless card.

4. Replace the single (M2x3) screw to secure the wireless-card bracket and the wireless card to the system board.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Remove the single (M2x2) screw that secures the thermal plate to the palm-rest and keyboard assembly.

2. Lift the M.2 2230 solid-state drive thermal plate from over the M.2 2230 solid-state drive.

3. Slide and remove the M.2 2230 solid-state drive from the M.2 card slot on the system board.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align the notch on the M.2 2230 solid-state drive with the tab on the M.2 card slot on the system board.

2. Slide the M.2 2230 solid-state drive into the M.2 card slot on the system board.

3. Place the thermal plate on the solid-state drive.

NOTE: When installing the M.2 2230 SSD on the system, tuck the tabs on the thermal plate under the hooks on the palm rest.

4. Align the screw hole on the thermal plate to the screw hole on the palm-rest and keyboard assembly.

5. Replace the screw (M2x2) that secures the thermal plate to the palm-rest and keyboard assembly.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Remove the screw (M2x2) that secures the thermal plate to the palm-rest and keyboard assembly.

2. Lift the thermal plate from the palm-rest and keyboard assembly.

3. Slide and remove the M.2 2280 solid-state drive from the M.2 card slot on the system board.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align the notch on the M.2 2280 solid-state drive with the tab on the M.2 card slot on the system board.

2. Slide the M.2 2280 solid-state drive into the M.2 card slot on the system board.

3. Place the thermal plate on the M.2 2280 solid-state drive.

NOTE: While installing the M.2 2280 solid-state drive on the system, tuck the tabs on the thermal plate under the hooks on the palm rest.

4. Replace the screw (M2x2) that secures the thermal plate to the palm-rest and keyboard assembly.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

5. Remove the battery.

Steps:

1. Lift the latch and disconnect the hard-drive cable from the system board.

2. Remove the three screws (M2x3) that secure the hard-drive assembly to the palm-rest and keyboard assembly.

3. Lift the hard-drive assembly along with its cable from the palm-rest and keyboard assembly.

4. Disconnect the interposer from the hard drive.

5. Remove the four (M3x3) screws from the hard-drive bracket.

6. Slide and remove the hard-drive bracket from the hard drive.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Slide and install the hard-drive into the hard-drive bracket.

2. Install the four (M3x3) screws to secure the hard drive to the hard-drive bracket.

3. Connect the interposer to the hard drive.

4. Align and place the hard-drive assembly on to the palm-rest and keyboard assembly.

5. Replace the four (M2x3) screws to secure the hard drive assembly to the palm-rest.

6. Connect the hard drive cable to the system board and close the latch to secure the cable.

Next steps:

1. Install the battery.

2. Install the base cover.

3. Exit service mode.

4. Install the SD card.

5. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Disconnect the fan cable from the connector on the system board.

2. Remove the two screws (M2x5) that secures the fan to the palm-rest and keyboard assembly.

3. Lift and remove the fan from the computer.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align and place the fan on the palm-rest and keyboard assembly.

2. Replace the two screws (M2x5) to secure the fan to the palm-rest and keyboard assembly.

3. Connect the fan cable to the connector on the system board.

Next steps:

1. Replace the base cover.

2. Exit service mode.

3. Replace the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Loosen the four captive screws that secure the heat sink to the system board.

2. Lift the heat sink off the system board.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Place the heat sink on the system board and align the captive screws on the heat sink with the screw holes on the system board.

2. Tighten the four (M2x3) screws to secure the heat sink to the system board.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Remove the seven (M2x3) screws that secure the heat sink to the system board.

2. Lift the heat sink off the system board.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Place the heat sink on the system board and align the screw holes with the ones on the system board.

2. Replace the seven (M2x3) screws to secure the heat sink to the system board.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Disconnect the speaker cable from the system board.

2. Unroute and remove the speaker cable from the routing guides on palm-rest and keyboard assembly.

3. Lift the speakers, along with the cable, off the computer.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers.

Steps:

1. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest and keyboard assembly.

2. Route the speaker cable through the routing guides on the palm-rest and keyboard assembly.

3. Connect the speaker cable to the connector on the system board.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

Steps:

1. Remove the two (M2.5×5) screws that secure the left hinge to the palm-rest and keyboard assembly.

2. Fold up the left hinge.

3. Open the latch and disconnect the fingerprint-reader board cable from the I/O board, if applicable.

4. Open the latch and disconnect the I/O-board power cable from the I/O board.

5. Remove the three (M2x3) screws that secure the I/O board to the palm-rest and keyboard assembly, and remove the I/O board from the system.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align and place the I/O board under the left hinge assembly and on to the palm-rest and keyboard assembly.

2. Replace the three (M2x3) screws to secure the I/O daughter board to the palm-rest and keyboard assembly.

3. Connect the fingerprint-reader board cable to the connector on the I/O board and close the latch, if applicable.

4. Connect the I/O-board power cable to the connector on the I/O board and close the latch.

5. Fold back the left hinge over the I/O board.

6. Replace the two (M2.5×5) screws to secure the hinge to the palm-rest and keyboard assembly.

Next steps:

1. Install the base cover.

2. Exit service mode.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Remove the base cover.

4. Remove the battery.

Steps:

1. Disconnect the hard-drive FFC from the system board.

2. Remove the three (M2x2) screws securing the touchpad bracket to the palm-rest and keyboard assembly.

3. Remove the touchpad bracket from the computer.

4. Remove the two (M2x2) screws securing the touchpad module in palm-rest and keyboard assembly.

5. Disconnect the touchpad FFC from the system board.

6. Remove the touchpad module with touchpad FFC from the computer.

NOTE: Ensure that the touch pad is aligned with the guides available on the palm-rest and keyboard assembly, and the gap on either sides of the touch pad is equal.

Steps:

1. Align and place the touchpad module onto the computer.

2. Reconnect the touchpad FFC to the touchpad module.

3. Install the two (M2x2) screws to secure the touchpad module to the palm-rest and keyboard assembly.

4. Install the touchpad bracket on the touchpad and secure it using the three (M2x2) screws.

5. Reconnect the hard-drive FFC to the system board.

Next steps:

1. Install the battery.

2. Install the base cover.

3. Install the SD card.

4. Follow the procedure in “After working inside your computer”.

CAUTION: The maximum operating angle for the display-panel hinge is 135 degrees.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

5. Remove the WLAN card.

Steps:

1. Disconnect the display cable from the connector on the system board.

2. Unroute the WLAN antenna cables and the speaker cables from the routing guides on the computer.

3. Remove the six (M2.5×5) screws that secure the display hinges to the palm-rest and keyboard assembly.

4. Fold the left and right hinges away from the palm-rest and keyboard assembly.

5. Lift the palm-rest and keyboard assembly at an angle to free it from the hinges and remove it from the display assembly.

CAUTION: The maximum operating angle for the display-panel hinge is 135 degrees.

NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palmrest and keyboard assembly.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align and place the system under the hinges on the display assembly.

2. Fold the hinges back and install the four (M2.5×5) screws to secure the display assembly.

3. Re-route the speaker and WLAN antenna cables through the routing channels on the palmrest.

4. Reconnect the display cable to the connector on the system board.

Next steps:

1. Install the WLAN card.

2. Install the base cover.

3. Exit service mode.

4. Install the SD card.

5. Follow the procedure in “After working inside your computer”.

Prerequisites:

1. Follow the procedure in “Before working inside your computer”.

2. Remove the SD card.

3. Enter service mode.

4. Remove the base cover.

5. Remove the WLAN card.

6. Remove the display assembly.

Steps:

NOTE: Before removing the display hinge caps, open the display hinges to at least 90 degrees.

1. Pinch the left-hinge cap in the center.

2. Use the scribe to pry open the left-hinge cap from the openings on its inner side.

3. Lift the inner side of the left-hinge cap and remove it from the left hinge.

4. Pinch the right hinge cap in the center.

5. Use the scribe to pry open the right-hinge cap from the openings on its inner side.

6. Lift the inner side of the right-hinge cap and remove it from the right hinge.

Prerequisites:

If you are replacing a component, remove the existing component before performing the installation procedure.

Steps:

1. Align the rib inside the left-hinge cap to the outer sides.

2. Push the left-hinge cap down until it clicks in place.

3. Align the rib inside the right-hinge cap to the outer sides.

4. Push the right-hinge cap down until it clicks in place.

Next steps:

1. Install the display assembly.

2. Install the WLAN card.

3. Install the base cover.

4. Exit service mode.

5. Install the SD card.

6. Follow the procedure in “After working inside your computer”.

Turn on (or restart) your computer and press F2 immediately.

NOTE: For most of the System Setup options, changes that you make are recorded but do not take effect until you restart the system.

To enter the one-time boot menu, turn on your computer, and then press F12 immediately.

NOTE: It is recommended to shutdown the computer if it is on.

The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:

• Removable Drive (if available)

• STXXXX Drive (if available) – NOTE: XXX denotes the SATA drive number.

• Optical Drive (if available)

• SATA Hard Drive (if available)

• Diagnostics

The boot sequence screen also displays the option to access the System Setup screen.

1. Go to the Dell support website.

2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search.

NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model.

3. Click Drivers & Downloads. Expand Find drivers.

4. Select the operating system installed on your computer.

5. In the Category drop-down list, select BIOS.

6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer.

7. After the download is complete, browse the folder where you saved the BIOS update file.

8. Double-click the BIOS update file icon and follow the on-screen instructions.

1. Follow the procedure from step 1 to step 6 in “Updating the BIOS in Windows” to download the latest BIOS setup program file.

2. Create a bootable USB drive.

3. Copy the BIOS setup program file to the bootable USB drive.

4. Connect the bootable USB drive to the computer that needs the BIOS update.

5. Restart the computer and press F12.

6. Select the USB drive from the One Time Boot Menu.

7. Type the BIOS setup program filename and press Enter. The BIOS Update Utility appears.

8. Follow the on-screen instructions to complete the BIOS update.

You can run the BIOS update file from Windows using a bootable USB drive or you can also update the BIOS from the F12 One-Time boot menu. Most Dell computers built after 2012 have this capability.

To update your BIOS from the F12 One-Time boot menu, you need the following:

• USB drive formatted to the FAT32 file system (key does not have to be bootable)

• BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive

• AC power adapter that is connected to the computer

• Functional computer battery to flash the BIOS

CAUTION: Do not turn off the computer during the BIOS update process. The computer may not boot if you turn off your computer.

Steps:

1. From a turn off state, insert the USB drive where you copied the flash into a USB port of the computer.

2. Turn on the computer and press F12 to access the One-Time Boot Menu, select BIOS Update using the mouse or arrow keys then press Enter. The flash BIOS menu is displayed.

3. Click Flash from file.

4. Select external USB device.

5. Select the file and double-click the flash target file, and then click Submit.

6. Click Update BIOS. The computer restarts to flash the BIOS.

7. The computer will restart after the BIOS update is completed.

CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an unnecessary operating system re-install.

Prerequisites:

You can assign a new System or Admin Password only when the status is in Not Set.

Steps:

1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed.

2. Select System/Admin Password and create a password in the Enter the new password field. Use the following guidelines:

• A password can have up to 32 characters.

• The password can contain the numbers 0 through 9.

• Only lower case letters are valid, upper case letters are not valid.

• Only the following special characters are valid: Space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).

3. Type the system password that you entered earlier in the Confirm new password field and click OK.

4. Press Esc and a message prompts you to save the changes.

5. Press Y to save the changes. The computer restarts.

Prerequisites:

Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked.

Steps:

1. In the System BIOS or System Setup screen, select System Security and press Enter. The System Security screen is displayed.

2. In the System Security screen, verify that Password Status is Unlocked.

3. Select System Password, update, or delete the existing system password, and press Enter or Tab.

4. Select Setup Password, update, or delete the existing setup password, and press Enter or Tab.

NOTE: If you change the System and/or Setup password, reenter the new password when prompted. If you delete the System and/or Setup password, confirm the deletion when prompted.

5. Press Esc and a message prompts you to save the changes.

6. Press Y to save the changes and exit from System Setup. The computer restarts.

Swollen batteries should not be used and should be replaced and disposed of properly. We recommend contacting Dell product support for options to replace a swollen battery under the terms of the applicable warranty or service contract, including options for replacement by a Dell authorized service technician.

The guidelines for handling and replacing Lithium-ion batteries are as follows:

• Exercise caution when handling Lithium-ion batteries.

• Discharge the battery before removing it from the system. To do this, unplug the AC adapter and operate the system only on battery power until it no longer powers on.

• Do not crush, drop, mutilate, or penetrate the battery with foreign objects.

• Do not expose the battery to high temperatures, or disassemble battery packs and cells.

• Do not apply pressure to the surface of the battery.

• Do not bend the battery.

• Do not use tools of any type to pry on or against the battery.

• If a battery gets stuck in a device as a result of swelling, do not try to free it as puncturing, bending, or crushing a battery can be dangerous.

• Do not attempt to reassemble a damaged or swollen battery into a laptop.

• Swollen batteries should be returned to Dell in an approved shipping container (provided by Dell), to comply with transportation regulations or disposed at an approved recycling center.

• Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell.

1. Turn on your computer.

2. As the computer boots, press the F12 key as the Dell logo appears.

3. On the boot menu screen, select the Diagnostics option.

4. Click the arrow at the bottom left corner. The diagnostics front page is displayed.

5. Click the arrow in the lower-right corner to go to the page listing. The items detected are listed.

6. To run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test.

7. Select the device from the left pane and click Run Tests.

8. If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell.

NOTE: M-BIST must be initiated on the system from a power-off state either connected to AC power or with battery only.

1. Press and hold both the M key on the keyboard and the power button to initiate M-BIST.

2. With both the M key and the power button held down, the battery indicator LED may exhibit two states:

a. OFF: No fault detected with the system board

b. AMBER: Indicates a problem with the system board

3. If there is a failure with the system board, the battery status LED will flash one of the error codes from the table below for 30 seconds.

4. If there is no failure with the system board, the LCD will cycle through the solid color screens described in the LCD-BIST section for 30 seconds and then power off.

L-BIST is an enhancement to the single LED error code diagnostics and is automatically initiated during POST. It checks the LCD power rail. If there is no power being supplied to the LCD, the battery status LED will flash an error code.

1. Press the power button to start the system.

2. If the system does not start up normally, look at the battery status LED:

• If the battery status LED flashes an error code [2,7], the display cable may not be connected properly.

• If the battery status LED flashes an error code [2,8], there is a failure on the LCD power rail of the system board, hence there is no power supplied to the LCD.

3. For cases, when a [2,7] error code is shown, check to see if the display cable is properly connected.

4. For cases when a [2,8] error code is shown, replace the system board.

When you notice screen abnormalities like flickering, distortion, clarity issues, fuzzy or blurry image, horizontal or vertical lines, color fade etc., it is always a good practice to isolate the LCD (screen) by running the Built-In Self Test (BIST).

1. Power off the Dell laptop.

2. Disconnect any peripherals that are connected to the laptop. Connect only the AC adapter (charger) to the laptop.

3. Ensure that the LCD (screen) is clean (no dust particles on the surface of the screen).

4. Press and hold the D key and Power on the laptop to enter LCD built-in self test (BIST) mode. Continue to hold the D key, until the system boots up.

5. The screen will display solid colors and change colors on the entire screen to white, black, red, green, and blue twice.

6. Then it will display the colors white, black and red.

7. Carefully inspect the screen for abnormalities (any lines, fuzzy color or distortion on the screen).

8. At the end of the last solid color (red), the system will shut down.

Power and battery-status light:

Indicates the power and battery-charge status.

Solid white—Power adapter is connected and the battery has more than 5% charge.

Amber—Computer is running on battery and the battery has less than 5% charge.

Off:

• Power adapter is connected, and the battery is fully charged.

• Computer is running on battery, and the battery has more than 5% charge.

• Computer is in sleep state, hibernation, or turned off.

Camera status light:

Indicates whether the camera is in use.

• Solid white—Camera is in use.

• Off—Camera is not in use.

Caps Lock status light:

Indicates whether Caps Lock is enabled or disabled.

• Solid white—Caps Lock enabled.

• Off—Caps Lock disabled.

The power and battery-status light blinks amber along with beep codes indicating failures. For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected.

The Real Time Clock (RTC) reset function allows you or the service technician to recover the recently launched model Dell Latitude and Precision systems from No POST/No Boot/No Power situations. You can initiate the RTC reset on the system from a power-off state only if it is connected to AC power. Press and hold the power button for 25 seconds. The system RTC reset occurs after you release the power button.

NOTE: If AC power is disconnected from the system during the process or the power button is held longer than 40 seconds, the RTC reset process gets aborted.

The RTC reset will reset the BIOS to Defaults, un-provision Intel vPro and reset the system date and time. The following items are unaffected by the RTC reset:

• Service Tag

• Asset Tag

• Ownership Tag

• Admin Password

• System Password

• HDD Password

• Key Databases

• System Logs

If your computer is unable to access the internet due to WiFi connectivity issues, a WiFi power cycle procedure may be performed.

NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.

1. Turn off your computer.

2. Turn off the modem.

3. Turn off the wireless router.

4. Wait for 30 seconds.

5. Turn on the wireless router.

6. Turn on the modem.

7. Turn on your computer.

Flea power is the residual static electricity that remains in the computer even after it has been powered off and the battery is removed. Draining residual flea power is also a common troubleshooting step if your computer does not power on or boot into the operating system.

1. Turn off your computer.

2. Disconnect the power adapter from your computer.

3. Remove the base cover.

4. Remove the battery.

5. Press and hold the power button for 20 seconds to drain the flea power.

6. Install the battery.

7. Install the base cover.

8. Connect the power adapter to your computer.

9. Turn on your computer.