HP 15 Maintenance And Service Manual page 57

f. Battery connector cable (6)
g. Keyboard backlight cable (ZIF) (7)
h. Keyboard cable (ZIF) (8)
i. Touchpad cable (ZIF) (9)
j. Fingerprint reader cable (ZIF) (10)
k. Card reader/audio board cable (ZIF) (11)
5. Remove the three silver Phillips M2.0 × 3.0 screws (1) and the three black Phillips M2.0 × 1.6 screws (2)
that secure the system board to the computer.
6. Remove the system board from the computer (3).
Reverse this procedure to install the system board.
Component replacement procedures 49