Compaq Presario CQ20-100 - Notebook PC Maintenance And Service Manual page 62

Remove the system board:
1. Remove the Torx T8M2.0×6.0 screw that secures the system board to the base enclosure. The screw is located
beside the optical drive connector.
2. Flex the left side of the base enclosure until the USB jack, RJ-45 jack, and RJ-11 jack 1 clear the openings in
the base enclosure.
3. Use the optical drive connector 2 to lift the left side of the system board 3 until it rests at an angle.
4. Remove the system board from the base enclosure by pulling it away at an angle 4.
Reverse this procedure to install the system board.
Maintenance and Service Guide
Removal and replacement procedures
4–33