Dell XPS L401X Service Manual
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Dell XPS L401X Service Manual

Dell XPS L401X Service Manual

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Download this manual See also: Setup Manual
Dell™ XPS™ L401X Service
Manual
Regulatory model: P12G series
Regulatory type: P12G001

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Summary of Contents for Dell XPS L401X

  • Page 1 Dell™ XPS™ L401X Service Manual Regulatory model: P12G series Regulatory type: P12G001...
  • Page 2 Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and XPS are trademarks of Dell Inc.; Bluetooth is a registered trademark owned by Bluetooth SIG, Inc. and is used by Dell under license; Microsoft, Windows, and the Windows start button logo are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.

  • Page 3: Table Of Contents

    Contents Before You Begin ....Recommended Tools ....Turning Off Your Computer .
  • Page 4 Replacing the Hard Drive ....Optical Drive ..... Removing the Optical Drive .
  • Page 5 11 Display ......Display Assembly ....Removing the Display Assembly .
  • Page 6 14 Speakers ......Removing the Speakers ....Replacing the Speaker .
  • Page 7 Replacing the AC-Adapter Connector ..19 System Board ....Removing the System Board .
  • Page 8 Contents...

  • Page 9: Before You Begin

    • Phillips screwdriver • Plastic scribe • BIOS executable update program available at support.dell.com Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.

  • Page 10: Before Working Inside Your Computer

    Hold a component such as a processor by its edges, not by its pins. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself.
  • Page 11 6 Disconnect all attached devices from your computer. CAUTION: To help prevent damage to the system board, remove the main battery (see "Removing the Battery" on page 13) before working inside the computer. 7 Remove the battery (see "Removing the Battery" on page 13). 8 Turn the computer top-side up, open the display, and press the power button to ground the system board.
  • Page 12 Before You Begin...

  • Page 13: Battery

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 14: Replacing The Battery

    CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the tabs on the battery with the slots in the battery bay and press the battery down until it clicks into place.

  • Page 15: Memory Module(S)

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 16 tabs (5) memory-module cover captive screws (2) base cover CAUTION: To help prevent damage to the memory-module connector, do not use tools to spread the memory module securing clips. 5 Use your fingertips to carefully spread apart the securing clips on each end of the memory-module connector until the memory module pops up.

  • Page 17: Replacing The Memory Module(S)

    memory-module connector securing clips (2) memory module 6 Remove the memory module from the memory-module connector. Replacing the Memory Module(s) CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMM A" before you install a memory module in the connector labeled "DIMM B".
  • Page 18 3 Slide the memory module firmly into the memory-module connector at a 45-degree angle, and press the memory module down until it clicks into place. If you do not hear the click, remove the memory module and reinstall it. NOTE: If the memory module is not installed properly, the computer may not boot.
  • Page 19 Click Start → Control Panel→ System and Security→ System. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Memory Module(s)
  • Page 20 Memory Module(s)

  • Page 21: Wireless Mini-Card(S)

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 22 4 Pry out the Mini-Card cover using your finger. captive screw Mini-Card cover tabs (4) 5 Disconnect the antenna cables from the Mini-Card(s). 6 Remove the screw that secures the Mini-Card to the system board. NOTE: Your computer can only support either a WWAN Mini-Card or a TV tuner module in the full Mini-Card slot at a time.
  • Page 23 antenna cables (2) Mini-Card screw system-board connector 7 Lift the Mini-Card(s) out of the system-board connector. Wireless Mini-Card(s)

  • Page 24: Replacing The Mini-Card(S)

    CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge" in the safety information that shipped with your computer. Replacing the Mini-Card(s) 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new Mini-Card from its packaging.
  • Page 25 Failure to do so may result in damage to the computer. 9 Install the drivers and utilities for your computer, as required. NOTE: If you are installing a communication card from a source other than Dell, you must install the appropriate drivers and utilities. Wireless Mini-Card(s)
  • Page 26 Wireless Mini-Card(s)

  • Page 27: Hard Drive

    Dell does not guarantee compatibility or provide support for hard drives from sources other than Dell. NOTE: If you are installing a hard drive from a source other than Dell, you need to install an operating system, drivers, and utilities on the new hard drive. Removing the Hard Drive 1 Follow the instructions in "Before You Begin"...

  • Page 28: Replacing The Hard Drive

    5 Insert a plastic scribe into the slot on the base cover and push the hard-drive out. 6 Slide the hard drive out of the hard-drive bay. plastic scribe screws (2) hard drive base cover Replacing the Hard Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the new hard drive from its packaging.
  • Page 29 6 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Hard Drive...
  • Page 30 Hard Drive...

  • Page 31: Optical Drive

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 32 optical drive base cover screw plastic scribe 7 Lift and pull the optical-drive bezel to remove it from the optical drive. 8 Remove the two screws that secure the optical-drive bracket to the optical drive. 9 Remove the optical-drive bracket. Optical Drive...

  • Page 33: Replacing The Optical Drive

    optical-drive bezel optical drive optical-drive bracket screws (2) Replacing the Optical Drive 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive. 3 Replace the two screws that secure the optical-drive bracket to the optical drive.
  • Page 34 CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer. Optical Drive...

  • Page 35: Palm-Rest Assembly

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 36 base cover 7 Turn the computer over and open the display as far as possible. 8 Using your fingertip, gently push the tab to release the palm-rest assembly. Palm-Rest Assembly...
  • Page 37 palm-rest assembly 9 Using your fingertips, gently ease the palm-rest assembly from the computer base. 10 Without pulling hard on the palm-rest assembly, place it away from the display as shown in the illustration below. Palm-Rest Assembly...

  • Page 38: Replacing The Palm-Rest Assembly

    11 Lift the connector latch and pull the pull-tab to disconnect the touch-pad cable from the system-board connector. 12 Disconnect the control-strip cable from the system-board connector. CAUTION: Carefully separate the palm-rest assembly from the computer base to avoid damage to the palm-rest assembly. 13 Lift the palm-rest assembly off the computer base.
  • Page 39 2 Connect the control-strip cable to the system-board connector. 3 Slide the touch-pad cable into the system-board connector and press down on the connector latch to secure the cable. 4 Align the three tabs on the palm-rest assembly with the slots on the top cover and gently snap the palm-rest assembly into place.
  • Page 40 Palm-Rest Assembly...

  • Page 41: Keyboard

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 42 CAUTION: Be extremely careful when removing and handling the keyboard. Failure to do so could result in scratching the display panel. screws (2) keyboard top cover keyboard cable connector tabs (2) system-board connector 9 Without pulling hard on the keyboard, carefully lift the keyboard and slide the keyboard tabs out of the slots on the top cover.

  • Page 43: Replacing The Keyboard

    10 Note the routing of the keyboard cable and remove the cable from the routing guide on the top cover. 11 Push the connector tabs up and pull the pull-tab to disconnect the keyboard backlight cable from the system-board connector. keyboard tabs (4) top cover...
  • Page 44 2 Slide the keyboard backlight cable into the system-board connector and press the connector tabs into the connector to secure the cable. 3 Route the keyboard cable through the routing guide on the top cover. 4 Slide the keyboard cable into the system-board connector and press the connector tabs into the connector to secure the cable.

  • Page 45: Power-Button Board

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 46: Replacing The Power-Button Board

    12 Lift the power-button board off the top cover. screw power-button board system-board connector display cable top cover Replacing the Power-Button Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Use the alignment post to place the power-button board on the top cover. 3 Replace the screw that secures the power-button board to the top cover.
  • Page 47 5 Connect the display cable to the system-board connector. 6 Replace the keyboard (see "Replacing the Keyboard" on page 43). 7 Replace the palm-rest assembly (see "Replacing the Palm-Rest Assembly" on page 38). 8 Follow the instructions from step 5 to step 6 in "Replacing the Optical Drive"...
  • Page 48 Power-Button Board...

  • Page 49: Coin-Cell Battery

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 50: Replacing The Coin-Cell Battery

    coin-cell battery coin-cell battery cable Replacing the Coin-Cell Battery 1 Follow the instructions in "Before You Begin" on page 9. 2 Connect the coin-cell battery cable to the system-board connector. 3 With the adhesive side of the coin-cell battery facing down, press the coin-cell battery on the slot on the top cover.
  • Page 51 7 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 8 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.
  • Page 52 Coin-Cell Battery...

  • Page 53: Display

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 54 base cover CAUTION: Be extremely careful when opening the display to prevent damaging the display assembly. 10 Turn the computer over and open the display as far as possible. 11 Disconnect the speaker cable from the system-board connector. 12 Disconnect the display cable from the system-board connector. 13 Note the routing of the display cable and remove the cable from the routing guide.

  • Page 55: Replacing The Display Assembly

    display assembly screws (4) speaker cable display cable Mini-Card cable routing Replacing the Display Assembly 1 Follow the instructions in "Before You Begin" on page 9. Display...

  • Page 56: Display Bezel

    2 Place the display assembly in position and replace the four screws that secure the display assembly to the top cover. 3 Route the Mini-Card antenna cables through the slot on the computer base. 4 Route the display cable through the routing guide. 5 Connect the display cable to the system-board connector.

  • Page 57: Replacing The Display Bezel

    display bezel Replacing the Display Bezel 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the display bezel with the display back cover, and gently snap it into place. 3 Replace the display assembly (see "Replacing the Display Assembly" on page 55).

  • Page 58: Display Panel

    Display Panel Removing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53). 3 Remove the display bezel (see "Removing the Display Bezel" on page 56). 4 Disconnect the camera cable from the connector on the camera module.

  • Page 59: Replacing The Display Panel

    camera cable connector screws (8) display hinges (2) Replacing the Display Panel 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display panel over the display back cover. 3 Connect the camera cable to the connector on the camera module. 4 Route the display cable through the routing guide on the hinge.

  • Page 60: Display Cable

    8 Replace the display assembly (see "Replacing the Display Assembly" on page 55). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer. Failure to do so may result in damage to the computer.

  • Page 61: Replacing The Display Cable

    display cable pull tab display-cable connector 7 Gently peel off the display cable from the display panel. Replacing the Display Cable 1 Follow the instructions in "Before You Begin" on page 9. 2 Adhere the display cable along the edge of the display panel. 3 Connect the display cable to the connector on the display panel.

  • Page 62: Display-Panel Brackets

    6 Replace the display assembly ("Replacing the Display Assembly" on page 55). Display-Panel Brackets Removing the Display-Panel Brackets 1 Follow the instructions in "Before You Begin" on page 9. 2 Remove the display assembly (see "Removing the Display Assembly" on page 53).

  • Page 63: Replacing The Display-Panel Brackets

    Replacing the Display-Panel Brackets 1 Follow the instructions in "Before You Begin" on page 9. 2 Place the display-panel brackets in position. 3 Replace the four screws (two on each side) that secure the display-panel brackets to the display panel. 4 Replace the display panel (see "Replacing the Display Panel"...
  • Page 64 Display...

  • Page 65: Camera Module

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 66: Replacing The Camera Module

    12 Gently peel the aluminum foil that secures the camera module to the display back cover. 13 Remove the camera module from the display back cover. aluminum foil camera module Replacing the Camera Module 1 Follow the instructions in "Before You Begin" on page 9. 2 Use the alignment posts on the display back cover to place the camera module in position.
  • Page 67 9 Follow the instructions from step 5 to step 6 in "Replacing the Optical Drive" on page 33. 10 Replace the hard drive (see "Replacing the Hard Drive" on page 28). 11 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 12 Replace the memory module(s) (see "Replacing the Memory Module(s)"...
  • Page 68 Camera Module...

  • Page 69: Top Cover

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 70 11 Remove the power-button board (see "Removing the Power-Button Board" on page 45). 12 Remove the coin-cell battery (see "Removing the Coin-Cell Battery" on page 49). 13 Remove the four screws that secure the top-cover assembly to the base cover. 14 Turn the computer over.
  • Page 71 top-cover assembly screws (9) 19 Remove the Bluetooth-card (see "Removing the Bluetooth Card" on page 93). 20 Remove the daughter board (see "Removing the Daughter Board" on page 89). 21 Remove the AC-adapter connector (see "Removing the AC-Adapter Connector" on page 97). 22 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly"...

  • Page 72: Replacing The Top Cover

    24 Remove the system board (see "Removing the System Board" on page 101). Replacing the Top Cover 1 Follow the instructions in "Before You Begin" on page 9. 2 Replace the system board (see "Replacing the System Board" on page 104) 3 Replace the processor module (see "Replacing the Processor Module"...
  • Page 73 18 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 19 Replace any blank or card you removed from the Media Card Reader slot. 20 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
  • Page 74 Top Cover...

  • Page 75: Speakers

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 76: Replacing The Speaker

    11 Make note of the speakers cable routing and remove the cable from the routing guides. 12 Remove the four screws (two on each speaker) that secure the speakers to the base cover. 13 Lift the speakers along with the cable off the base cover. speaker cable speakers (2) screws (4)
  • Page 77 4 Replace the four screws (two on each speaker) that secure the speakers to the base cover. 5 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover" on page 72. 6 Replace the display assembly (see "Replacing the Display Assembly" on page 55).
  • Page 78 Speakers...

  • Page 79: Processor Fan And Heat-Sink Assembly

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 80 8 Remove the keyboard (see "Removing the Keyboard" on page 41). 9 Remove the display assembly (see "Removing the Display Assembly" on page 53). 10 Follow the instructions from step 13 to step 18 in "Removing the Top Cover" on page 69. 11 Turn the top-cover assembly over.
  • Page 81 14 In sequential order (indicated on the processor heat-sink), loosen the five captive screws that secure the processor fan and heat-sink assembly to the system board. 15 Make note of the processor-fan cable routing and carefully lift the processor fan and heat-sink assembly away from the top-cover assembly. captive screws (5) processor fan and heat-sink assembly...

  • Page 82: Replacing The Processor Fan And Heat-Sink Assembly

    Replacing the Processor Fan and Heat-Sink Assembly NOTE: The original thermal grease can be reused if the original processor and processor fan and heat-sink assembly are reinstalled together. If either the processor or the processor fan and heat-sink assembly is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
  • Page 83 Processor Fan and Heat-Sink Assembly...
  • Page 84 Processor Fan and Heat-Sink Assembly...

  • Page 85: Processor Module

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 86 11 Turn the top-cover assembly over. 12 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79). CAUTION: To prevent intermittent contact between the ZIF-socket cam screw and the processor when removing or replacing the processor, press to apply slight pressure to the centre of the processor while turning the cam screw.

  • Page 87: Replacing The Processor Module

    CAUTION: To ensure maximum cooling for the processor module, do not touch the heat transfer areas on the processor thermal-cooling assembly. The oils in your skin can reduce the heat transfer capability of the thermal pads. CAUTION: When removing the processor module, pull the module straight up. Be careful not to bend the pins on the processor module.
  • Page 88 11 Replace the hard drive (see "Replacing the Hard Drive" on page 28). 12 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 13 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 14 Replace the battery (see "Replacing the Battery" on page 14). CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.

  • Page 89: Daughter Board

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 90 11 Turn the top-cover assembly over. 12 Remove the processor fan and heat-sink assembly (see "Removing the Processor Fan and Heat-Sink Assembly" on page 79). 13 Lift the connector latch and disconnect the daughter-board cable from the connector on the daughter board. 14 Remove the screw that secures the daughter board to the top cover.

  • Page 91: Replacing The Daughter Board

    Replacing the Daughter Board 1 Follow the instructions in "Before You Begin" on page 9. 2 Align the connectors on the daughter board with the slots on the top cover and place it on the top cover. 3 Replace the screw that secures the daughter board to the top cover. 4 Slide the daughter-board cable into the connector on the daughter board and press the connector latch down to secure the cable.
  • Page 92 Daughter Board...

  • Page 93: A Internal Card With Bluetooth ® Wireless Technology

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 94: Replacing The Bluetooth Card

    10 Follow the instructions from step 13 to step 18 in "Removing the Top Cover" on page 69. 11 Turn the top-cover assembly over. 12 Disconnect the Bluetooth-card cable from the connector on the Bluetooth card. 13 Release the Bluetooth card from the tab on the top cover. 14 Lift the Bluetooth card off the top cover.
  • Page 95 2 Slide the Bluetooth card into the slot on the top cover and secure it in place. 3 Connect the Bluetooth-card cable to the connector on the Bluetooth card. 4 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover"...
  • Page 96 ® Internal Card With Bluetooth Wireless Technology...

  • Page 97: Ac-Adapter Connector

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).

  • Page 98: Replacing The Ac-Adapter Connector

    11 Turn the top-cover assembly over. 12 Disconnect the AC-adapter connector cable from the system-board connector. 13 Make note of the AC-adapter connector cable routing and remove the cable from the routing guide. 14 Remove the screw that secures the AC-adapter connector to the top cover. 15 Lift the AC-adapter connector off the top cover.
  • Page 99 3 Replace the screw that secures the AC-adapter connector to the top cover. 4 Route the AC-adapter connector cable through the routing guide. 5 Connect the AC-adapter connector cable to the system-board connector. 6 Follow the instructions from step 9 to step 11 in "Replacing the Top Cover"...
  • Page 100 AC-Adapter Connector...

  • Page 101: System Board

    CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a connector on your computer).
  • Page 102 10 Remove the display assembly (see "Removing the Display Assembly" on page 53). 11 Disconnect the power-button board cable, coin-cell battery cable, and touch-pad status light cable from their connectors on the system board. 12 Follow the instructions from step 13 to step 18 in "Removing the Top Cover"...
  • Page 103 power-button board cable connector 2 touch-pad status light cable connector coin-cell battery cable 15 Remove the AC-adapter connector (see "Removing the AC-Adapter Connector" on page 97). 16 Disconnect the Bluetooth-card cable, logo-light cable, and daughter-board cable from their connectors on the system board. 17 Remove the two screws that secure the system board to the top cover.

  • Page 104: Replacing The System Board

    logo-light cable connector Bluetooth-card cable connector system board screws (2) daughter-board cable 18 Carefully ease the connectors on the system board out of the slots in the top cover, and lift the system board off the top cover. Replacing the System Board 1 Follow the instructions in "Before You Begin"...

  • Page 105: Entering The Service Tag In The Bios

    15 Replace the Mini-Card(s) (see "Replacing the Mini-Card(s)" on page 24). 16 Replace the memory module(s) (see "Replacing the Memory Module(s)" on page 17). 17 Replace the battery (see "Replacing the Battery" on page 14). 18 Replace any blank or card you removed from the Media Card Reader slot. CAUTION: Before turning on the computer, replace all screws and ensure that no stray screws remain inside the computer.
  • Page 106 System Board...

  • Page 107: Flashing The Bios

    The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to support.dell.com/support/downloads. 3 Locate the BIOS update file for your computer: NOTE: The Service Tag for your computer is located on a label at the bottom of your computer.
  • Page 108 8 Double-click the file icon on the desktop and follow the instructions on the screen. Flashing the BIOS...

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