HP Compaq Presario,Presario R4000 Maintenance And Service Manual page 159

3. Turn the notebook upside down with the front toward you.
4. Position the top cover with the front toward you.
5. Remove the four PM2.0×7.0 screws 1 that secure the system
board to the top cover.
6. Remove the two SM1.5×8.0 shoulder screws 2 on each side
of the expansion port 2 connector that secure the system
board to the top cover.
✎
Step 7 applies only to Compaq Presario R4000 models.
7. Disconnect the LED cable 3 from the system board.
Removing the System Board Screws
Maintenance and Service Guide
Removal and Replacement Procedures
5–69