HP 15 Maintenance And Service Manual page 74

2. Disconnect the following cables:
(1): Power button board cable
(2): Keyboard cable
(3): Touchpad cable
3. Remove the 14 Phillips PM2.5×6.0 screws that secure the top cover to the computer.
4. Position the computer upright with the front toward you, and then open the computer.
5. Lift the rear edge of the top cover (1) until the left and right sides disengage from the base enclosure.
66 Chapter 4 Removal and replacement procedures