Dell Inspiron 3800 System Reference Manual page 143

Power Sources: Dell Inspiron 3800 System Reference
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
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 <Shift> key on the right side of the keyboard.
6. Check that the keyboard is correctly installed.
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2 Track stick
cable
(see Figure 11).