HP Compaq NC6110 Maintenance And Service Manual page 160

Removal and Replacement Procedures
7. Use the optical drive connector to lift the system board 1
until the power connector 2 is clear of the base enclosure.
8. Slide the system board 3 to the left at an angle and remove it.
Removing the System Board
Reverse the above procedures to install the system board.
6–54 Maintenance and Service Guide