HP Compaq NC6140 Maintenance And Service Manual page 126

Removal and Replacement Procedures
5. Disconnect the display cable 1 from the system board.
6. Remove the WLAN antenna cables 2 from the routing
channels in the base enclosure.
7. Make note of which antenna cable is attached to which
antenna clip on the Mini Card WWAN module before
disconnecting the cables, then disconnect the cables 3 from
the Mini Card WWAN module.
8. Remove the WWAN cables 4 from the routing channels and
clips in the base enclosure.
Disconnecting the Display and Wireless Cables
6–36 Maintenance and Service Guide