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Microprocessor module – Dell Inspiron 3800 User Manual

Page 53

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8. Disconnect the keyboard cable from the connector on the system board.

The keyboard cable is the wide, flexible cable.

9. Carefully disconnect the track stick cable from the ZIF connector on the palmrest

’s flexible printed circuit

(FPC).

10. Remove the keyboard assembly.

To replace the keyboard assembly, perform the following steps.

NOTICE: Position the track stick and keyboard cables so that they are not twisted when connected to the
system board.

1. Place the keyboard on the left side of the computer with its key face down (

see Figure 11

).

2. Connect the track stick cable to the ZIF connector.

Ensure that the contact side of the cable is down when you insert the cable into the ZIF connector.

3. Connect the keyboard cable to the connector on the system board.

4. Carefully turn the keyboard over and fit the keyboard into place.

Ensure that the track stick and keyboard cables are not twisted as you lower the keyboard into the
palmrest.

5. To push the keyboard down, press on the blank key located below the key on the right side of the

keyboard.

6. Check that the keyboard is correctly installed.

The keys should be flush with the left and right surfaces of the palmrest.

7. Reinstall the seven 10-mm screws.

Start by installing the outermost screws on the left and right sides of the computer, and then work inward
to the center.

 Microprocessor Module

 Figure 12. Microprocessor Module Removal

1

Keyboard
cable

2 Track stick

cable