HP Pavilion g4 Maintenance And Service Manual page 77

Remove the system board:
1. Disconnect the following cables from the system board:
(1) Display panel cable
(2) Optical drive cable
(3) USB board cable
(4) Power connector cable
2. Remove the Phillips M2.5 × 4.5 screw (1) that secures the system board to the base enclosure.
3. Lift the right side of the system board (2) until it rests at an angle.
4. Remove the system board (3) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
Component replacement procedures 69