HP Compaq nx6115 Maintenance And Service Manual page 145

3. Remove the 2 Torx T8M2.5×4.0 screws 1 that secure the
TouchPad to the notebook.
4. Slide the TouchPad frame back 2, then lift the back edge of
the frame up and forward 3.
5. Remove the frame.
Removing the TouchPad Frame
6. Remove the TouchPad.
Removing the TouchPad
Reverse the above procedure to install an TouchPad.
Maintenance and Service Guide
Removal and Replacement Procedures
6–45