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
Battery on page 36).
5.
Remove the following components:
a.
Hard drive (see
Hard drive on page 42)
b.
Optical drive (see
Optical drive on page 49)
c.
Keyboard (see
Keyboard on page 50)
d.
Hinge cover (see
Hinge cover on page 52)
e.
Rear cover (see
Rear cover on page 53)
f.
Top cover (see
Top cover on page 55)
g.
Subwoofer (see
Subwoofer on page 67)
h.
System board (see
System board on page 70)
Remove the RTC battery:
Remove the RTC battery from the socket on the system board.
Reverse this procedure to install the RTC battery.
Processor heat sink
Description Spare part number
Processor heat sink (includes replacement thermal material) 448175-001
Component replacement procedures 75