HP 15 TouchSmart Notebook PC Maintenance And Service Manual page 56

3. Remove the two Phillips broadhead PM2.5×2.0 screws from the optical drive bay (4).
4. Remove the seven Phillips PM2.5×5.0 screws that secure the top cover to the computer.
5. Position the computer upright with the front toward you.
6. Disconnect the power button board cable (1) and the touchpad button board cable (2).
48 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts