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Removing The System Board
1.Follow the procedures in Before Working Inside Your Computer.
2.Remove the rear cover.
3.Remove the rear stand.
4.Remove the rear I/O cover.
5.Remove the rear stand cover.
6.Remove the system board shield.
7.Remove the CPU fan.
8.Remove the CPU heatsink.
9.Remove the memory module.
10.Remove the WLAN card.
11.Remove the coin-cell battery.
12.Remove the processor.
13.Disconnect all the cables connected to the system board.
14.Remove the screws that secure the system board to the chassis.
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