Power supply, Removing the power supply, 16 power supply – Dell OptiPlex 390 (Mid 2011) User Manual
Page 47
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16
Power Supply
Removing The Power Supply
Before Working Inside Your Computer
.
2. Remove the
.
3. Remove the
.
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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