Description | Spare part number |
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For use only with computer models equipped with Intel Core | |
Professional |
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For use only with computer models equipped with Intel Core | |
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For use only with computer models equipped with Intel Core | |
Standard |
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For use only with computer models equipped with Intel Core | |
Professional |
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For use only with computer models equipped with Intel Core | |
Republic of China and Russia |
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For use only with computer models equipped with Intel Core | |
Standard in the People's Republic of China and Russia |
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For use only with computer models equipped with Intel Core | |
Republic of China and Russia |
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For use only with computer models equipped with Intel Core | |
Standard in the People's Republic of China and Russia |
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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 29).
5.Remove the battery (see Battery on page 31).
6.Remove the WLAN module (see WLAN module on page 36).
7.Remove the fan (see Fan on page 37).
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 33)
●Power connector cable (see Power connector cable on page 50)
●Fan (see Fan on page 37).
●Heat sink (see Heat sink on page 43)
●WLAN module see (WLAN module on page 36).
●Hard drive (see
●USB/Audio (see USB/Audio board on page 46),
●Display panel cable (see Display panel on page 54).
●RJ-45 cover (see RJ-45 module cover on page 37).
40 Chapter 4 Removal and replacement procedures
