HP Pavilion DV7-4280 Maintenance And Service Manual page 95

Remove the system board:
1. Disconnect the following cables from the system board:
(1) USB board cable
(2) Power connector cable
(3) Subwoofer cable
(4) Speaker cable
2. Remove the two Phillips PM2.5×5.0 screws (1) that secure the system board to the base
enclosure.
3. Lift up on the right side of the system board until it is at approximately a 45-degree angle (2), and
then lift the system board to the right and up and out of the base enclosure (3).
Reverse this procedure to install the system board.
Component replacement procedures
85