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System board
NOTE: All system board spare part kits include replacement thermal material.
Description Spare part number
System board for use in all countries and regions except for Russia and the People's Republic of China
For use only with computer models with discrete graphics subsystem memory (includes 256 MB of
graphics subsystem memory
486300-001
For use only with computer models with discrete graphics subsystem memory (includes 128 MB of
graphics subsystem memory
486299-001
For use only with computer models with UMA graphics subsystem memory 486301-001
System board for use in only in Russia and the People's Republic of China
For use only with computer models with discrete graphics subsystem memory (includes 256 MB of
graphics subsystem memory
510352-001
For use only with computer models with discrete graphics subsystem memory (includes 128 MB of
graphics subsystem memory
510351-001
For use only with computer models with UMA graphics subsystem memory 510353-001
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 50).
5. Remove the following components:
a. Bluetooth module (see
Bluetooth module on page 54)
b. Hard drive (see
Hard drive on page 56)
c. Optical drive (see
Optical drive on page 59) or upgrade bay device (see Upgrade bay
device on page 60)
d. Keyboard (see
Keyboard on page 65)
e. Switch cover (see
Switch cover on page 74)
f. Display assembly (see
Display assembly on page 85)
g. Top cover (see
Top cover on page 90)
h. Bluetooth module cable (see
Bluetooth module cable on page 95)
100 Chapter 4 Removal and replacement procedures