HP dv2500 User Manual
Remove the modem module:
1.
Disconnect the modem module cable (1) from the modem module.
2.
Remove the Phillips PM2.0×6.0 screw (2) that secures the modem module to the system board.
3.
Lift up on the front of the modem module (3) to disconnect it from the system board.
4.
Remove the modem module.
Reverse the above procedure to install the modem module.
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Chapter 4 Removal and replacement procedures