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Dell L401X manual Replacing the System Board

Models: L401X

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1 power-button board cable		2	touch-pad status light cable
	connector		connector

3coin-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.

17.Remove the two screws that secure the system board to the top cover.

1	logo-light cable connector	2	Bluetooth-card cable connector

3	system board	4	screws (2)

5daughter-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.

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Dell L401X manual Replacing the System Board

Contents

Battery Dell XPS L401X Service ManualWireless Mini-Cards Processor Fan and Heat-Sink AssemblyRemoving the Battery BatteryReplacing the Battery Dell XPS L401X Service ManualRecommended Tools Before You BeginTurning Off Your Computer Before Working Inside Your Computer3. Disconnect all telephone or network cables from the computer Back to Contents PageDell XPS L401X Service Manual Flashing the BIOSBack to Contents Page a. Click Enter a Service TagRemoving the Bluetooth Card Internal Card With Bluetooth Wireless TechnologyRemoving the Bluetooth Card Replacing the Bluetooth Card Dell XPS L401X Service ManualBack to Contents Page Replacing the Bluetooth CardRemoving the Camera Module Camera ModuleRemoving the Camera Module Replacing the Camera Module Dell XPS L401X Service ManualBack to Contents Page Replacing the Camera ModuleRemoving the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Removing the Coin-Cell Battery Replacing the Coin-Cell BatteryBack to Contents Page 4. Replace the palm-rest assembly see Replacing the Palm-Rest AssemblyRemoving the Daughter Board Daughter BoardRemoving the Daughter Board Replacing the Daughter Board Dell XPS L401X Service ManualBack to Contents Page Replacing the Daughter BoardRemoving the AC-Adapter Connector AC-Adapter ConnectorRemoving the AC-Adapter Connector Replacing the AC-Adapter Connector Dell XPS L401X Service ManualBack to Contents Page Replacing the AC-Adapter ConnectorRemoving the Display Assembly Display AssemblyDisplay Assembly Display Bezel Display Panel Display Cable DisplayReplacing the Display Assembly Display Panel Display BezelRemoving the Display Bezel Replacing the Display BezelRemoving the Display Panel Display CableReplacing the Display Panel Removing the Display Cable Display-Panel BracketsReplacing the Display Cable Removing the Display-Panel BracketsBack to Contents Page Replacing the Display-Panel BracketsRemoving the Hard Drive Hard DriveReplacing the Hard Drive Removing the Hard Drive Replacing the Hard DriveBack to Contents Page Removing the Processor Fan and Heat-Sink Assembly Processor Fan and Heat-Sink AssemblyRemoving the Processor Fan and Heat-Sink Assembly Replacing the Processor Fan and Heat-Sink AssemblyReplacing the Processor Fan and Heat-Sink Assembly Back to Contents Page Removing the Keyboard KeyboardRemoving the Keyboard Replacing the Keyboard Dell XPS L401X Service ManualReplacing the Keyboard Back to Contents Page Removing the Memory Modules Memory ModulesRemoving the Memory Modules Replacing the Memory Modules Dell XPS L401X Service ManualReplacing the Memory Modules Back to Contents Page To confirm the amount of memory installed in the computerRemoving the Mini-Cards Wireless Mini-CardsRemoving the Mini-Cards Replacing the Mini-Cards Dell XPS L401X Service ManualReplacing the Mini-Cards Back to Contents Page Connectors on the Mini-CardRemoving the Optical Drive Optical DriveRemoving the Optical Drive Replacing the Optical Drive Dell XPS L401X Service ManualBack to Contents Page Replacing the Optical DriveRemoving the Palm-Rest Assembly Palm-Rest AssemblyRemoving the Palm-Rest Assembly Replacing the Palm-Rest Assembly Dell XPS L401X Service ManualPage Back to Contents Page Replacing the Palm-Rest AssemblyRemoving the Processor Module Processor ModuleRemoving the Processor Module Replacing the Processor Module Dell XPS L401X Service ManualReplacing the Processor Module Back to Contents Page 14. Replace the battery see Replacing the Battery13. Replace the memory modules see Replacing the Memory Modules Removing the Power-Button Board Power-Button BoardRemoving the Power-Button Board Replacing the Power-Button Board Dell XPS L401X Service ManualBack to Contents Page Replacing the Power-Button BoardRemoving the Speakers SpeakersRemoving the Speakers Replacing the Speaker Dell XPS L401X Service ManualBack to Contents Page Replacing the SpeakerSystem Board Entering the Service Tag in the BIOSRemoving the System Board Removing the System Board Replacing the System BoardReplacing the System Board 20. Enter the service tag see Entering the Service Tag in the BIOS Entering the Service Tag in the BIOSBack to Contents Page Back to Contents Page Dell XPS L401X Service ManualBack to Contents Page Removing the Top Cover Top CoverRemoving the Top Cover Replacing the Top Cover Dell XPS L401X Service ManualReplacing the Top Cover Back to Contents Page 12. Replace the display assembly see Replacing the Display Assembly