HP Compaq NX7300 Maintenance And Service Manual page 141

Removal and Replacement Procedures
2. Remove the two Phillips PM2.5×4.0 screws 1 that secure the
modem module to the system board.
3. Lift the right side of the modem module 2 to disconnect it
from the system board.
4. Disconnect the modem module cable 3 from the modem
module.
5. Remove the modem module.
Removing the Modem Module
Reverse the above procedure to install the modem module.
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