Dell 1090 manual Replacing the Ambient-Light Sensor Board

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1	ambient-light sensor board	2	ambient-light sensor cable

Replacing the Ambient-Light Sensor Board

1.Follow the instructions in Before You Begin.

2.Align the ambient light-sensor board with the alignment post on the display frame and place it in position.

3.Connect the ambient-light sensor cable to the connector on the ambient- light sensor board.

4.Replace the display panel (see Replacing the Display Panel).

5.Replace the display hinges (see Replacing the Display Hinges).

6.Replace the display bezel (see Replacing the Display Bezel).

7.Replace the hinge caps (see Replacing the Hinge Caps).

8.Replace the display assembly (see Replacing the Display Assembly).

9.Replace the memory module (see Replacing the Memory Module).

10.Replace the battery (see Replacing the Battery).

11.Replace the palm-rest assembly (see Replacing the Palm-Rest Assembly).

12.Replace the keyboard (see Replacing the Keyboard).

13.Replace the label door (see Replacing the Label Door).

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.

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Contents Page Removing the Ambient-Light Sensor Board Ambient-Light Sensor BoardReplacing the Ambient-Light Sensor Board Battery Removing the BatteryReplacing the Battery Back to Contents Before Working Inside Your Computer Before You BeginRecommended Tools Turning Off Your ComputerBack to Contents Click Enter a Tag Flashing the BiosRemoving the Camera Module Camera ModuleReplacing the Camera Module Coin-Cell Battery Removing the Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents AC-Adapter Connector Removing the AC-Adapter ConnectorReplacing the AC-Adapter Connector Back to Contents Display Assembly Removing the Display AssemblyDisplay Replacing the Display Assembly Replacing the Hinge Caps Hinge CapsDisplay Bezel Removing the Hinge CapsDisplay Hinges Replacing the Display BezelRemoving the Display Hinges Display Panel Replacing the Display HingesRemoving the Display Panel Page Display Cable Replacing the Display PanelRemoving the Display Cable Replacing the Display Cable Removing the Hard-Drive Assembly Hard-Drive AssemblyReplacing the Hard-Drive Assembly Processor Fan and Heat-Sink Assembly Removing the Processor Fan and Heat-Sink AssemblyReplacing the Processor Fan and Heat-Sink Assembly Back to Contents Connector Covers Removing the Connector CoversReplacing the Connector Covers Page Removing the Keyboard KeyboardReplacing the Keyboard Page Label Door Removing the Label DoorReplacing the Label Door Removing the Memory Module Memory ModuleReplacing the Memory Module Removing the Mini-Cards Wireless Mini-CardsReplacing the Mini-Cards Back to Contents Removing the Palm-Rest Assembly Palm-Rest AssemblyReplacing the Palm-Rest Assembly Back to Contents Speakers Removing the SpeakersReplacing the Speakers Page Removing the System Board System BoardReplacing the System Board Entering the Service Tag in the Bios Back to Contents