HP Compaq NC4010 Maintenance And Service Manual page 127

2. Disconnect the wireless button board cable 1 from the
system board.
3. Remove the two PM2.0×4.0 screws 2 that secure the
wireless button board to the notebook.
4. Remove the wireless button board 3.
Removing the Wireless Button Board
Reverse the above procedure to install the wireless button board.
Maintenance and Service Guide
Removal and Replacement Procedures
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