HP Compaq nc6220 - Notebook PC Maintenance And Service Manual page 142

Removal and Replacement Procedures
4. Turn the computer right-side up with the front panel
toward you.
5. Disconnect the Bluetooth board cable 1 from the system
board.
6. Remove the two PM2.0×4.0 screws 2 that secure the top
cover to the computer.
Removing the Top Cover Screws, Part 2
6–40 Maintenance and Service Guide