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System board
NOTE: The system board spare part kit includes replacement thermal material. Replacement
thermal material is also available in the Thermal Material Kit, spare part number 634433-001.
Description Spare part number
For use only with computer models equipped with an AMD processor:
For use only with computer models equipped with a graphics subsystem with 1024-MB of discrete
video memory
638855-001
For use only with computer models equipped with a graphics subsystem with 512-MB of discrete
video memory
638854-001
For use only with computer models equipped with a graphics subsystem with UMA video memory 638856-001
For use only with computer models equipped with an Intel processor:
For use only with computer models equipped with an HM65 chipset and a graphics subsystem with
1024-MB of discrete video memory
636375-001
For use only with computer models equipped with an HM65 chipset and a graphics subsystem with
512-MB of discrete video memory
636374-001
For use only with computer models equipped with an HM55 chipset and a graphics subsystem with
1024-MB of discrete video memory
636372-001
For use only with computer models equipped with an HM55 chipset and a graphics subsystem with
512-MB of discrete video memory
636371-001
For use only with computer models equipped with an HM65 chipset and a graphics subsystem with
UMA video memory
636373-001
For use only with computer models equipped with an HM55 chipset and a graphics subsystem with
UMA video memory
636370-001
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 44), and then remove the following components:
Optical drive (see
Optical drive on page 45)
Hard drive (see
Hard drive on page 47)
RTC battery (see
RTC battery on page 49)
WLAN module (see
WLAN module on page 51)
Component replacement procedures
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