Description Spare part number
For use only with computer models equipped with an AMD processor (includes replacement
thermal material)
694436–501
For use only with computer models equipped with an AMD processor (includes replacement
thermal material)
694436–601
For use only with computer models equipped with an AMD 2.8GHz/2.0GHz processor (includes
replacement thermal material)
694437–001
For use only with computer models equipped with an AMD 2.8GHz/2.0GHz processor (includes
replacement thermal material)
694437–501
For use only with computer models equipped with an AMD 2.8GHz/2.0GHz processor (includes
replacement thermal material)
694437–601
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 display panel (see 
Display panel on page 32).
5. Remove the base enclosure (see 
Base enclosure on page 34).
6. Remove the battery (see 
Battery on page 36).
7. Remove the WLAN module (see 
WLAN module on page 45).
8. Remove the hard drive (see 
Hard drive on page 38).
9. Disconnect the display panel cable from the system board (see 
Display panel on page 32).
10. Remove the speaker (see 
Speakers on page 60).
11. Remove the power connector and cable (see 
Power connector cable on page 59).
12. Remove the USB/Audio and cable (see USB/Audio).
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 41)
●
Memory module (see 
Memory module on page 46)
●
Power connector cable (see 
Power connector cable on page 59)
● Fan (see 
Fan-Heat sink on page 53)
●
Heat sink (see 
Fan-Heat sink on page 53)
●
WLAN module see (
WLAN module on page 45).
●
Hard drive (see 
Hard drive on page 38).
●
USB/Audio (see USB/Audio)
●
Display panel cable (see 
Display panel on page 32).
50 Chapter 4   Removal and replacement procedures