HP Dv7-2040us - Pavilion Entertainment - Core 2 Quad GHz Maintenance And Service Manual page 84

Remove the system board:
1. Disconnect the following cables from the system board:
a. Audio/infrared board cable 1
✎
The audio/infrared board cable connects to a LIF connector on the system board.
b. Subwoofer cable 2 (select models only)
c. USB board cable 3
✎
The USB board cable connects to a LIF connector on the system board.
d. Power connector cable 4
2. Remove the three Phillips PM2.5×5.0 screws that secure the system board to the base enclosure.
Maintenance and Service Guide
Removal and replacement procedures
4–41