HP Pavilion 15 Maintenance And Service Manual page 68

(7) TouchPad cable
(8) Display cable
(9) Speaker cable
2. Remove the four Phillips M2.0×2.0 screws (1) that secure the system board to the computer.
3. Remove the four Phillips M2.0×4.0 screws (2) that secure the system board to the computer.
4. Lift the system board out of the computer (3).
Reverse this procedure to install the system board.
60 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts