Dell Inspiron 7500 - Manual (Page 125)

This wire harness also contains wiring for the touch pad and the touch pad buttons.
10. Disconnect the LED cable from connector JP10 on the system board.
11. Remove the palmrest assembly from the base assembly.
Start at the back right of the computer and move forward around the computer. Carefully lift the palmrest assembly up and pull it forward to
unsnap the hidden tabs spaced around the sides and along the top of the MegaBay and media bay.
When replacing the palmrest assembly, orient the assembly in its original position on the base assembly and press firmly near each tab until the
palmrest assembly snaps into place. Start at the front to align those tabs first. Make sure that all the tabs are aligned.
Palmrest Assembly Component Removal
IR Board Removal
Figure 26. IR Board Components
This procedure assumes that you have removed the palmrest assembly from the base assembly. To remove the IR board (see Figure 26), perform
the following steps:
1. Remove the two 4-mm screws securing the IR board.
2. Disconnect the IR cable from connector JP2 on the IR board.
3. Remove the IR board.
Touch Pad Assembly Removal
Figure 27. Touch Pad
Figure 28. Touch Pad Assembly Components
1 IR cable
2 4-mm screws (2)
3 IR board