HP Compaq 6530b Maintenance And Service Manual page 109

6. Remove the Phillips PM2.0×5.0 screw (3) that secures the system board to the base enclosure.
7. Use the optical drive connector (1) to lift the right side of the system board (2) until it rests at an
angle.
8. Remove the system board (3) from the base enclosure by sliding it up and to the right.
Reverse the preceding procedure to install the system board.
Component replacement procedures 101