2.
Release the RTC battery from the socket (1) on the system board and lift the battery (2) up.
Reverse this procedure to install the RTC battery.
Modem module
Description Spare part number
For use in all countries and regions except Australia and New Zealand (replaced by 628824-001) 510100-001
For use only in Australia and New Zealand (replaced by 628824-001) 510100-011
For use in all countries and regions (replaces 510100–001 AND 510100–011) 628824-001
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 51).
5. Remove the service door (see
Service door on page 52).
6.
Remove the hard drive (see
Hard drive on page 54).
7. Remove the optical drive (see
Optical drive on page 63).
8. Remove the fan (see
Fan on page 65).
Component replacement procedures
103
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