HP nw9440 Maintenance And Service Manual page 170

Removal and Replacement Procedures
2. Disconnect the the following cables from the system board:
1 Network cable
2 Modem cable
3 Bluetooth module cable
4 USB/audio board cable
✎
The network cable, modem cable, Bluetooth module cable, and
USB/audio cable are available in the Cable Kit, spare part
number 409990-001.
Disconnecting the System Board Cables
5–70 Maintenance and Service Guide