Dell SmartStep 200N Replacement Manual page 27

Turn the computer over, and remove the modem cover:
1
Loosen the captive screw in the modem cover.
a
Lift the modem cover away from the computer.
b
1
Remove the existing modem:
2
1
M2 x 4-mm screws (2)
2
modem
3
modem cable connector
4
modem cable
5
system board
2
3
4
5
Memor y Module, Modem, and Optical Drive
27