HP Compaq 516 Maintenance And Service Manual page 80

Remove the system board:
1. Disconnect the fan cable 1 from the system board.
2. Remove the Phillips PM2.5×4.0 screw 2 that secures the system board to the base enclosure.
3. Release the RJ-11 connector 1 from the clip built into the base enclosure.
4. Flex the left side of the base enclosure 2 until the external monitor connector 3 is clear of the opening of the
base enclosure.
5. Lift the rear edge of the system board 4 until it rests at an angle.
6. Remove the system board 5 by sliding it back.
Reverse this procedure to install the system board.
Maintenance and Service Guide
Removal and replacement procedures
4–37