HP Compaq NC6110 Maintenance And Service Manual page 139

3. Remove the 2 Phillips PM2.0×3.0 screws 1 that secure the
modem board to the computer.
4. Lift the right side of the modem board 2 to disconnect it
from the system board.
5. Disconnect the modem cable 3 from the modem board.
6. Remove the modem board.
Removing the Modem Board
Reverse the above procedure to install the modem board.
Maintenance and Service Guide
Removal and Replacement Procedures
6–33