HP Compaq Presario,Presario 1500 Maintenance And Service Manual page 165

7. Lift the front edge of the system board until it rests at an
angle 1 (Figure 5-45).
8. Slide the system board forward 2 and remove it from the
base enclosure.
Figure 5-45. Removing the System Board
Reverse the preceding procedures to install the system board.
Maintenance and Service Guide
Removal and Replacement Procedures
5–59