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Modem module
Description Spare part number
Modem module for use in all countries and regions except for Australia and New Zealand (includes
modem module cable)
461749-001
Modem module for use only in Australia and New Zealand (includes modem module cable) 461749-011
Modem module cable (includes RJ-11 connector) 494981-001
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 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 44)
b. Optical drive (see
Optical drive on page 42)
c. Keyboard (see
Keyboard on page 54)
d. Switch cover (see
Switch cover on page 56)
e. Speaker assembly (see
Speaker assembly on page 58)
f. Display assembly (see
Display assembly on page 60)
g. Top cover (see
Top cover on page 67)
Remove the modem module:
1. Turn the computer upright with the front toward you.
2. Disconnect the modem module cable (1) from the modem module.
3. Remove the two Phillips PM2.0×3.0 screws (2) that secure the modem module to the system board.
Component replacement procedures 73