Description Spare part number
For use only with computer models equipped with the Intel HM65 chipset, a dual core processor,
and a graphics subsystem with UMA memory
665990-001
Thermal Material Kit (includes replacement thermal pads and paste):
For use only with computer models equipped with an AMD processor and a graphics subsystem with
discrete memory
665286-001
For use only with computer models equipped with an AMD processor and a graphics subsystem with
UMA memory
665285-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
2048-MB of discrete memory
665355-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
1024-MB of discrete memory
665354-001
For use only with computer models equipped with an Intel processor and a graphics subsystem with
UMA memory
665353-001
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 47), and then remove the following components:
●
Optical drive (see
Optical drive on page 48)
●
Hard drive (see
Hard drive on page 51)
●
WLAN module (see
WLAN module on page 56)
●
Keyboard (see
Keyboard on page 59)
●
Top cover (see
Top cover on page 62)
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:
●
Memory module (see
Memory module on page 55)
●
RTC battery (see
RTC battery on page 54)
●
Fan and heat sink (see
Fan/heat sink assembly on page 85)
●
Processor (see
Processor on page 89)
82 Chapter 4 Removal and replacement procedures
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