Modem module
Description Spare part number
Modem modules
NOTE: The modem module spare part kits do not include a modem module cable. The modem module cable is included in
the Cable Kit, spare part number 492555-001.
For use in all countries and regions except Australia and New Zealand
461750-001
For use only in Australia and New Zealand 461750-011
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. Primary hard drive (see
Primary hard drive on page 55)
b. WLAN module (see
WLAN module on page 52)
c. Optical drive (see
Optical drive on page 60) or Secondary hard drive (see Secondary hard
drive on page 68)
d. Switch cover and keyboard (see
Switch cover and keyboard on page 62)
e. Display assembly (see
Display assembly on page 74)
f. Top cover (see
Top cover on page 80)
g. System board (see
System board on page 84)
Remove the modem module:
1. Remove the two Phillips PM2.0×4.0 screws (1) that secure the modem module to the system board.
2. Lift the modem module up (2) from the system board.
3. Disconnect the modem module cable (3) from the modem module.
88 Chapter 4 Removal and replacement procedures
