System board
NOTE: All system board spare part kits include replacement thermal material.
Description Spare part number
System board (includes replacement thermal material and power connector cable) 468499-001
Before removing the system board, 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 32).
5.
Remove the following components:
a.
Optical drive (see
Optical drive on page 37)
b.
Hard drive (see
Hard drive on page 40)
c.
Keyboard (see
Keyboard on page 42)
d.
Switch cover (see
Switch cover on page 44)
e.
Top cover (see
Top cover on page 45)
f.
Display assembly (see
Display assembly on page 50)
When replacing the system board, be sure that the following components are removed from the defective
system board and installed on the replacement system board:
●
WLAN module (see
WLAN module on page 34)
●
Memory modules (see
Memory module on page 38)
●
RTC battery (see
RTC battery on page 64)
●
Modem module (see
Modem module on page 66)
●
Heat sink (see
Heat sink on page 67)
●
Processor (see
Processor on page 69)
●
Fan (see
Fan on page 71)
Component replacement procedures 57
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