
Reverse the preceding procedure to install the system board.
RTC battery
Description
Spare part number
RTC battery
651038-001
Before removing the RTC battery, 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.
b.
Optical drive (see
)
c.
Keyboard (see
d.
)
e.
Fan (see
)
f.
Heat sink (see
g.
Base enclosure cover (see
Base enclosure cover on page 82
h.
)
i.
System board (see
Remove the RTC battery:
1.
Position the system board right-side up, with the front toward you.
Component replacement procedures
99