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Removal and replacement procedures
Maintenance and Service Guide 4–49
Modem module
✎
The modem module cable is included in the Cable kit, spare part number 594030-001.
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 4-7).
5. Remove the following components:
a. Hard drive (see “Hard drive” on page 4-9)
b. Wireless modules antenna cables (see “WLAN module” on page 4-11 and “WWAN module” on page 4-14)
c. Optical drive (see “Optical drive” on page 4-20)
d. Keyboard and switch cover (see “Keyboard and switch cover” on page 4-22)
e. Display assembly (see “Display assembly” on page 4-27)
f. RTC battery (see “RTC battery” on page 4-39)
g. Top cover (see “Top cover” on page 4-42)
h. Audio/ExpressCard (see “Audio/ExpressCard board” on page 4-44)
i. Speakers (see “Speakers” on page 4-45)
Remove the modem module:
1. Remove the 2 Phillips PM2.0×4.0 screws 1 that secure the modem module to the system board.
2. Lift the modem module 2 away from the system board.
3. Disconnect the modem module cable 3 to remove the modem module.
Reverse this procedure to install the modem module.
Description Spare part number
High-speed 56k modem for use in all countries and regions except Australia and New Zealand 510099-001
High-speed 56k modem for use only in Australia and New Zealand 510099-011