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System Board

Removing The System Board

1.Follow the procedures in Before Working Inside Your Computer.

2.Remove the cover.

3.Remove the front bezel.

4.Remove the hard drive.

5.Remove the expansion cards.

6.Remove the heat sink and processor.

7.Disconnect all the cables connected to the system board.

8.Lift and release the expansion-card latch to gain access to the screws securing the system board.

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Dell 990 service manual Removing The System Board