Compaq Presario V3500 Maintenance And Service Manual page 92

Remove the TouchPad bracket (2) and TouchPad board (3) from the top cover.
3.
Remove the two Phillips PM2.0×2.0 screws (1) that secure the TouchPad board to the TouchPad
4.
bracket.
Remove the TouchPad board (2) from the TouchPad bracket.
5.
Reverse the above procedure to reassemble and install the TouchPad.
84 Chapter 4 Removal and replacement procedures