System board
NOTE:
The system board spare part kit includes replacement thermal material.
Description
Spare part number
For use only with computer models equipped with an Intel 1.7GHz processor, but not WWAN
capability (includes replacement thermal material)
689957-001
For use only with computer models equipped with an Intel 1.9GHz processor, but not WWAN
capability (includes replacement thermal material)
689958-001
For use only with computer models equipped with an Intel 2.0GHz processor, but not WWAN
capability (includes replacement thermal material)
689959-001
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 base enclosure (see
Base enclosure on page 27
).
5.
Remove the battery (see
Battery on page 29
).
6.
Remove the WLAN module (see
WLAN module on page 34
).
7.
Remove the fan (see
Fan on page 35
).
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:
●
RTC battery (see
RTC battery on page 31
)
●
Power connector cable (see
Power connector cable on page 47
)
●
Fan (see
Fan on page 35
).
●
Heat sink (see
Heat sink on page 40
)
●
WLAN module see (
WLAN module on page 34
).
●
Hard drive (see
Solid-state drive on page 33
).
●
USB/Audio (see
USB/Audio board on page 43
),
●
Display panel cable (see
Display panel on page 51
).
●
RJ-45 cover (see
RJ-45 module cover on page 35
).
Remove the system board:
1.
Remove the following cables:
●
USB/Audio board cable
(1)
●
Power button board cable
(2)
●
Display panel cable
(3)
Component replacement procedures
37
