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Dell OptiPlex 990 Desktop - Power Supply; Removing The Power Supply

Dell OptiPlex 990 Desktop
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16
Power Supply
Removing The Power Supply
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the cover.
3. Remove the PSU thermal sensor.
4. Disconnect the 4–pin power cable from the system board.
5. Unthread the 4–pin power cable from the chassis clips.
6. Disconnect the 24–pin power cable from the system board.
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