HP Compaq NC4400 Maintenance And Service Manual page 129

Wireless Antenna Kit
32. If it is necessary to replace the wireless antenna transceivers
and cables, remove the Phillips PM2.0×6.0 screw 1 that
secures each transceiver to the display enclosure.
33. Remove the wireless antenna transceivers 2 and cables 3
from the display enclosure.
Removing the Wireless Antenna Transceivers and Cables
Reverse the above procedure to reassemble and install the
display assembly
Maintenance and Service Guide
Display Assembly Subcomponents
Spare Part Number Information
Removal and Replacement Procedures
419108-001
5–47