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Modem module
NOTE: All modem module spare part kits include a modem module cable.
Description Spare part number
For use in all countries and regions except Australia and New Zealand 443899-001
For use only in Australia and New Zealand 443899-011
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 41).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 52)
b. Optical drive (see
Optical drive on page 56)
c. Switch cover (see
Switch cover on page 57)
d. Keyboard (see
Keyboard on page 59)
e. Display assembly (see
Display assembly on page 62)
f. Top cover (see
Top cover on page 67)
g. System board (see
System board on page 70)
Remove the modem module:
1. Turn the system board upside down, with the front toward you.
2. Remove the two Phillips PM2.5×4.0 screws (1) that secure the modem module to the system board.
3. Disconnect the modem module (2) from the system board by lifting it straight up.
78 Chapter 4 Removal and replacement procedures