Dell L400 service manual Touch Pad Assembly, Touch Pad Removal

To replace the palmrest assembly, perform the following steps:

1.Place the palmrest assembly on the bottom assembly.

2.Reinstall the three silver M2 x 6-mm screws in the keyboard-assembly area that secure the middle of the palmrest assembly to the bottom-case assembly (see Figure 15).

3.Reinstall the four black M2 x 4-mm screws that secure the top of the palmrest assembly to the bottom-case assembly (see Figure 15).

4.Connect the touch pad flex cable to the ZIF connector on the system board.

5.Connect the status lights flex cable to the ZIF connector on the system board.

6.Turn the computer upside down.

7.Reinstall the six M2.6 x 1.6-mm screws in the battery bay that secure the bottom of the palmrest assembly to the bottom-case assembly (see Figure 14).

8.Turn the computer right-side up.

9.Reinstall the keyboard assembly.

10.Reinstall the display assembly.

11.Reinstall the keyboard bezel.

Touch Pad Assembly

M2 x 3.5-mm screws (3)

touch pad holder assembly

touch pad

ZIF connector flex cable

Figure 16. Touch Pad Removal

NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.

1. Remove the keyboard bezel.

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