Power Supply; Removing The Power Supply - Dell OptiPlex 790 Owner's Manual

Power Supply

Removing the Power Supply

1. Follow the procedures in
cover .
2. Remove the
front bezel .
3. Remove the
drive cage .
4. Remove the
fan shelter .
5. Remove the
6. Disconnect the 4-pin power cable from the system board.
7. Unthread the 4–pin power cable from the chassis clips.
8. Disconnect the 24-pin power cable from the system board.
Before Working Inside Your Computer .
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