Power supply, Removing the power supply, 15 power supply – Dell OptiPlex 390 (Mid 2011) User Manual
Page 41
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Power Supply
15
Removing the Power Supply
Before Working Inside Your Computer
.
2. Remove the
.
3. Remove the
4. Remove the
.
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.
41
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