Reverse this procedure to install the power button board.
Modem module
Description Spare part number
For use in all countries and regions except Australia and New Zealand 510100-001
For use only in Australia and New Zealand 510100-011
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. Switch cover and keyboard (see
Switch cover and keyboard on page 42)
b. Memory module (see
Memory module on page 45)
c. Optical drive (see
Optical drive on page 47)
d. Speakers (see
Speakers on page 49)
e. Palm rest (see
Palm rest on page 50)
f. WLAN module (see
WLAN module on page 55)
g. Hard drive (see
Hard drive on page 52)
h. Display assembly (see
Display assembly on page 59)
i. Top cover (see
Top cover on page 65)
Remove the modem module:
1. Remove the two Phillips PM2.5×3.0 screws (1) that secure the modem module to the system board.
2. Lift the rear edge of the modem module (2) to release it from the system board.
68 Chapter 4 Removal and replacement procedures
