Dell L400 service manual Bottom Assembly

2.Remove the display assembly.

3.Remove the keyboard assembly.

4.Remove the palmrest assembly.

5.Remove the three M2 x 3.5-mm screws that secure the touch pad assembly to the palmrest assembly (see Figure 16).

6.Slide the touch pad assembly out from under the two hold-down tabs.

7.Remove the touch pad assembly from the palmrest assembly.

8.Disconnect the flex cable from the ZIF connector on the back of the touch pad (see Figure 16).

The flex cable remains attached to the touch pad holder assembly.

Bottom Assembly

fan

speaker (shown with audio EMI shield removed)

main battery compartment

system board assembly

Figure 17. Bottom Assembly

modem

main battery release latch location

reserve battery

bottom case cover

The bottom assembly consists of the following field-replaceable components:

•Reserve battery

•Main battery

•Modem

•Fan assembly

•Speaker

•System board assembly

•Main battery release latch

•Bottom case assembly

22 Dell Latitude L400 Service Manual