HP Pavilion dv9000 Maintenance And Service Manual page 168

2. Turn the system board upside down with the expansion port
and external monitor port toward you.
3. Disconnect the fan cable 1 from the system board.
4. Loosen the four captive Phillips PM2.5×6.0 screws 2 that
secure the fan/heat sink assembly to the system board.
5. Remove the fan/heat sink assembly 3.
Removing the Fan/Heat Sink Assembly
Maintenance and Service Guide
Removal and Replacement Procedures
5–75