Modem module
Description Spare part number
For use in all countries and regions except Australia and New Zealand 461749-001
For use only in Australia and New Zealand 461749-011
Before removing the modem module, 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 46).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 47)
b. Optical drive (see
Optical drive on page 55)
c. Keyboard (see
Switch cover and keyboard on page 57)
d. Switch cover (see
Switch cover and keyboard on page 57)
e. Speakers (see
Speakers on page 61)
f. Display assembly (see
Display assembly on page 62)
g. Top cover (see
Top cover on page 68)
h. System board (see
System board on page 79)
Remove the modem module:
1. Turn the system board upside down, with the audio connectors toward you.
2. Remove the two Phillips PM2.5×4.0 screws (1) that secure the modem module to the system board.
3. Lift the modem module (2) straight up to disconnect it from the system board.
82 Chapter 4 Removal and replacement procedures
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