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Modem module<br />
Description<br />
Spare part number<br />
Modem modules<br />
NOTE: The modem module spare part kits do not include a modem module cable. The modem module cable is included in<br />
the Cable Kit, spare part number 492555-001.<br />
For use in all countries and regions except Australia and New Zealand 461750-001<br />
For use only in Australia and New Zealand 461750-011<br />
Before removing the modem module, follow these steps:<br />
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn<br />
the computer on, and then shut it down through the operating system.<br />
2. Disconnect all external devices connected to the computer.<br />
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet<br />
and then unplugging the AC adapter from the computer.<br />
4. Remove the battery (see Battery on page 46).<br />
5. Remove the following components:<br />
a. Primary hard drive (see Primary hard drive on page 55)<br />
b. WLAN module (see WLAN module on page 52)<br />
c. Optical drive (see Optical drive on page 60) or Secondary hard drive (see Secondary hard<br />
drive on page 67)<br />
d. Switch cover and keyboard (see Switch cover and keyboard on page 62)<br />
e. Display assembly (see Display assembly on page 73)<br />
f. Top cover (see Top cover on page 79)<br />
g. System board (see System board on page 86)<br />
Remove the modem module:<br />
1. Remove the two Phillips PM2.0×4.0 screws (1) that secure the modem module to the system<br />
board.<br />
2. Lift the modem module up (2) from the system board.<br />
3. Disconnect the modem module cable (3) from the modem module.<br />
90 Chapter 4 Removal and replacement procedures