HP 14 Maintenance And Service Manual page 83

2. Position the computer upright, and then disconnect the following cables from the system board:
(2): Speaker cable
(3): USB board cable
(4): Optical drive connector cable
3. Remove the seven Phillips PM2.5×5.0 screws (1) that secure the system board to the base enclosure.
4. Lift the plastic tape from atop the fan (2).
Component replacement procedures 75