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3. Remove the SIM connector board (3) by sliding it forward and out of the base enclosure.
Reverse this procedure to install the SIM connector board.
Modem module cable
NOTE: The modem module cable is included in the Cable Kit, spare part number 487138-001.
Before removing the modem module cable, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC Adapter from the computer.
4. Remove the battery (see
Battery on page 47).
5. Remove the following:
a. Hard drive (see
Hard drive on page 53)
b. Optical drive (see
Optical drive on page 56)
c. Keyboard (see
Keyboard on page 61)
d. Switch cover (see
Switch cover on page 66)
e. Display assembly (see
Display assembly on page 75)
f. Top cover (see
Top cover on page 81)
g. Rear cover (see
Rear cover on page 92)
Remove the modem module cable:
1. Disconnect the modem module cable (1) from the system board.
2. Remove the modem module cable (2) from the clips and routing channel (3) built into the system
board bracket.
Component replacement procedures 95