Dell L401X manual Replacing the System Board

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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.

Image 49

Contents Page Removing the Battery BatteryReplacing the Battery Recommended Tools Before You BeginTurning Off Your Computer Before Working Inside Your ComputerBack to Contents Click Enter a Service Tag Flashing the BiosRemoving the Bluetooth Card Internal Card With Bluetooth Wireless TechnologyReplacing the Bluetooth Card Removing the Camera Module Camera ModuleReplacing the Camera Module Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Removing the Daughter Board Daughter BoardReplacing the Daughter Board Removing the AC-Adapter Connector AC-Adapter ConnectorReplacing the AC-Adapter Connector Display Display AssemblyReplacing the Display Assembly Display Panel Display BezelRemoving the Display Panel Display CableRemoving the Display Cable Display-Panel BracketsReplacing the Display-Panel Brackets Removing the Hard Drive Hard DriveReplacing the Hard Drive Back to Contents Removing the Processor Fan and Heat-Sink Assembly Processor Fan and Heat-Sink AssemblyReplacing the Processor Fan and Heat-Sink Assembly Back to Contents Removing the Keyboard KeyboardReplacing the Keyboard Back to Contents Removing the Memory Modules Memory ModulesReplacing the Memory Modules Click Start → Control Panel→ System and Security→ System Removing the Mini-Cards Wireless Mini-CardsReplacing the Mini-Cards Wwan 2 antenna cables Removing the Optical Drive Optical DriveReplacing the Optical Drive Removing the Palm-Rest Assembly Palm-Rest AssemblyPage Replacing the Palm-Rest Assembly Removing the Processor Module Processor ModuleReplacing the Processor Module Back to Contents Removing the Power-Button Board Power-Button BoardReplacing the Power-Button Board Removing the Speakers SpeakersReplacing the Speaker Removing the System Board System BoardReplacing the System Board Entering the Service Tag in the Bios Back to Contents Removing the Top Cover Top CoverReplacing the Top Cover Back to Contents