HP Compaq NC4400 Maintenance And Service Manual page 120

Removal and Replacement Procedures
11. Turn the computer right-side up with the front toward you.
12. Open the computer as far as possible.
13. Disconnect the wireless antenna cables from the Mini Card
WLAN module 1.
14. Disconnect the microphone cable 2 from the system board.
15. Remove the wireless antenna cables and the microphone
cable from the routing channel 3 and clips 4 through which
the cables are routed.
Disconnecting the Display Cables
5–38 Maintenance and Service Guide