HP Compaq Presario,Presario 1500 Maintenance And Service Manual page 149

7. Remove the four TM2.5 × 5.0 screws 1 that secure the
TouchPad, TouchButton board, and TouchPad bracket to the
palm rest (Figure 5-33).
8. Remove the TouchPad bracket 2 , TouchButton board 3 , and
TouchPad 4 from the palm rest.
Figure 5-33. Removing the TouchPad Components on
TouchPad Models
Maintenance and Service Guide
Removal and Replacement Procedures
5–43