Dell XPS L401X Service Manual
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Dell XPS L401X Service Manual

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Dell™ XPS™ L401X Service Manual 
Before You Begin
Battery
Memory Module(s)
Wireless Mini-Card(s)
Hard Drive
Optical Drive
Palm-Rest Assembly
Keyboard
Power-Button Board
Coin-Cell Battery
Display
 Notes, Cautions, and Warnings
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
WARNING:
Information in this document is subject to change without notice.
© 2010 Dell Inc. All rights reserved.
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.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
September 2010 Rev. A00
Regulatory model: P12G    Regulatory type: P12G001
 
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Camera Module
Top Cover
Speakers
Processor Fan and Heat-Sink Assembly
Processor Module
Daughter Board
Internal Card With Bluetooth® Wireless Technology
AC-Adapter Connector
System Board
Flashing the BIOS
A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
A WARNING indicates a potential for property damage, personal injury, or death.
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  • Page 1 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;...

  • Page 2: Removing The Battery

    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).   CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.  Removing the Battery  ...

  • Page 3: Before You Begin

    Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your own personal safety. WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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 4   CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.   3. Disconnect all telephone or network cables from the computer.   4. Press and eject any installed cards from the Media Card Reader.  ...

  • Page 5: 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 6: Internal Card With Bluetooth

      Removing the Bluetooth Card   Replacing the Bluetooth Card WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 7: Replacing The Bluetooth Card

    Bluetooth card Bluetooth-card cable  Replacing the Bluetooth Card   1. Follow the instructions in Before You Begin.   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.  ...

  • Page 8: Removing The Camera Module

      Removing the Camera Module   Replacing the Camera Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 9: Replacing The Camera Module

     Replacing the Camera Module   1. Follow the instructions in Before You Begin.   2. Use the alignment posts on the display back cover to place the camera module in position.   3. Adhere the aluminum foil over the camera module.  ...

  • Page 10: Removing The Coin-Cell Battery

      Removing the Coin-Cell Battery   Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.
  • Page 11   3. With the adhesive side of the coin-cell battery facing down, press the coin-cell battery on the slot on the top cover.   4. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).   5. Follow the instructions from step 5 step 6 Replacing the Optical...

  • Page 12: Removing The Daughter Board

      Removing the Daughter Board   Replacing the Daughter Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 13: Replacing The Daughter Board

    daughter-board cable daughter board screw  Replacing the Daughter Board   1. Follow the instructions in Before You Begin.   2. Align the connectors on the daughter board with the slots on the top cover and place it on the top cover.  ...

  • Page 14: Removing The Ac-Adapter Connector

      Removing the AC-Adapter Connector   Replacing the AC-Adapter Connector WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 15: Replacing The Ac-Adapter Connector

    screw AC adapter connector AC-adapter connector cable  Replacing the AC-Adapter Connector   1. Follow the instructions in Before You Begin.   2. Align the screw hole on the AC-adapter connector with the screw hole on the top cover.   3. Replace the screw that secures the AC-adapter connector to the top cover.  ...

  • Page 16: Display Assembly

      Display Cable   Display-Panel Brackets WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.
  • Page 17 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.  ...

  • Page 18: Display Panel

      10. Follow the instructions from step 5 step 6 Replacing the Optical Drive.   11. Replace the hard drive (see Replacing the Hard Drive).   12. Replace the Mini-Card(s) (see Replacing the Mini-Card(s)).   13. Replace the memory module(s) (see Replacing the Memory Module(s)).

  • Page 19: Display Cable

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

  • Page 20: Display-Panel Brackets

      Removing the Display Cable   1. Follow the instructions in Before You Begin.   2. Remove the display assembly (see Removing the Display Assembly).   3. Remove the display bezel (see Removing the Display Bezel).   4. Remove the display panel (see Removing the Display Panel).
  • Page 21 1. Follow the instructions in Before You Begin.   2. Remove the display assembly (see Removing the Display Assembly).   3. Remove the display bezel (see Removing the Display Bezel).   4. Remove the display panel (see Removing the Display Panel).

  • Page 22: Removing The 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.
  • Page 23   1. Follow the instructions in Before You Begin.   2. Remove the new hard drive from its packaging. Save the original packaging for storing or shipping the hard drive.   3. Slide the hard drive into the hard-drive bay until it is fully seated.  ...

  • Page 24: Removing The Processor Fan And Heat-Sink Assembly

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: If you remove the processor fan and heat-sink assembly from the computer when the heat sink is hot, do not touch the metal housing of the processor fan and heat-sink assembly.

  • Page 25: Replacing The Processor Fan And Heat-Sink Assembly

      13. Remove the screw that secures the processor fan and heat-sink assembly to the top cover.   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.
  • Page 26 Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 27: Removing The Keyboard

      Removing the Keyboard   Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 28: Replacing The Keyboard

    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.   10. Note the routing of the keyboard cable and remove the cable from the routing guide on the top cover.  ...
  • Page 29 Back to Contents Page   Great user manuals database on UserManuals.info...

  • Page 30: Removing The Memory Module(S)

    You can increase your computer memory by installing memory modules on the system board. See "Specifications" in the Setup Guide that shipped with your computer or at support.dell.com/manuals for information on the type of memory supported by your computer. NOTE: Memory modules purchased from Dell are covered under your computer warranty.

  • Page 31: 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 32 As the computer boots, it detects the additional memory and automatically updates the system configuration information. To confirm the amount of memory installed in the computer: 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.

  • Page 33: Wireless Mini-Card(S)

    NOTE: Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell. If you ordered a wireless Mini-Card with your computer, the card is already installed. Your computer has one full Mini-Card slot and one half Mini-Card slot:  One full Mini-Card slot —...

  • Page 34: Replacing The Mini-Card(S)

    1 antenna cables (2) 2 Mini-Card 3 screw 4 system-board connector   7. Lift the Mini-Card(s) out of the system-board connector.   CAUTION: When the Mini-Card is not in the computer, store it in protective antistatic packaging. For more information, see "Protecting Against Electrostatic Discharge"...
  • Page 35   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. Back to Contents Page   Great user manuals database on...

  • Page 36: Removing The Optical Drive

      Removing the Optical Drive   Replacing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 37: 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.   2. Align the screw holes on the optical-drive bracket with the screw holes on the optical drive.   3.

  • Page 38: Removing The Palm-Rest Assembly

      Removing the Palm-Rest Assembly   Replacing the Palm-Rest Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.
  • Page 39 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.   11. Lift the connector latch and pull the pull-tab to disconnect the touch-pad cable from the system-board connector.  ...

  • Page 40: Replacing The Palm-Rest Assembly

     Replacing the Palm-Rest Assembly   1. Follow the instructions in Before You Begin.   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.  ...

  • Page 41: Removing The Processor Module

      Removing the Processor Module   Replacing the Processor Module WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 42: Replacing The Processor Module

    ZIF socket processor module pin-1 corner ZIF-socket cam screw   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.  ...
  • Page 43 13. Replace the memory module(s) (see Replacing the Memory Module(s)).   14. Replace the battery (see Replacing the Battery).   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 44: Removing The Power-Button Board

      Removing the Power-Button Board   Replacing the Power-Button Board WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 45: Replacing The Power-Button Board

    screw power-button board system-board connector display cable top cover  Replacing the Power-Button Board   1. Follow the instructions in Before You Begin.   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 46: Removing The Speakers

      Removing the Speakers   Replacing the Speaker WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 47: Replacing The Speaker

    speaker cable speakers (2) screws (4)  Replacing the Speaker   1. Follow the instructions in Before You Begin.   2. Route the speakers cable through the routing guides   3. Align the screw holes on the speakers with the screw holes on the base cover.  ...

  • Page 48: Removing The System Board

      Replacing the System Board   Entering the Service Tag in the BIOS WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ ...

  • Page 49: Replacing The System Board

    1 power-button board cable 2 touch-pad status light cable connector connector 3 coin-cell battery cable   15. Remove the AC-adapter connector (see Removing the AC-Adapter Connector).   16. Disconnect the Bluetooth-card cable, logo-light cable, and daughter-board cable from their connectors on the system board.  ...

  • Page 50: Entering The Service Tag In The Bios

      2. Align the connectors on the system board with the slots on the top cover and place it on the top cover.   3. Replace the two screws that secure the system board to the top cover.   4. Connect the Bluetooth-card cable, logo-light cable, and daughter-board cable to their connectors on the system board.  ...
  • Page 51 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;...

  • Page 52: Removing The Top Cover

      Removing the Top Cover   Replacing the Top Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.   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.

  • Page 53: Replacing The Top Cover

      15. Make note of the speakers cable routing.   16. Remove the nine screws that secure the top-cover assembly to the base cover.   17. Using your fingertips, gently ease the top-cover assembly from the base cover.   18. Lift the top cover assembly off the base cover. top-cover assembly screws (9)  ...
  • Page 54   12. Replace the display assembly (see Replacing the Display Assembly).   13. Replace the keyboard (see Replacing the Keyboard).   14. Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).   15. Follow the instructions from step 5 step 6 Replacing the Optical Drive.

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