2.
Pull the battery out of the socket and remove it from the system board.
Reverse this procedure to install the RTC battery.
Power button board
NOTE:
The power button board assembly spare includes the power button cable.
Description
Spare part number
Power button board assembly
639481-001
Before removing the Power button board assembly, 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
5.
Remove the following components:
a.
Hard drive (see
b.
Optical drive (see
c.
Keyboard (see
100
Chapter 4 Removal and replacement procedures