Dell XPS 140M Owner's Manual page 120

3 Remove the existing modem:
Remove the screw securing the modem to the system board, and set it aside.
a
Pull straight up on the attached pull-tab to lift the modem out of its connector on the
b
system board, and disconnect the modem cable.
1 screw
2
modem cable
4 Install the replacement modem:
Connect the modem cable to the modem.
a
NOTICE:
connectors and realign the card.
Align the modem with the screw holes and press the modem into the connector on the
b
system board.
Replace the screw that secures the modem to the system board.
c
5 Replace the modem/Mini PCI/wireless cover.
120
Adding and Replacing Parts
1
2
3
4
5
3
4
The connectors are keyed to ensure correct insertion. If you feel resistance, check the
modem
pull-tab
5 system board connector