Dell OptiPlex 390 Owners Manual - Page 41

Power Supply, Removing the Power Supply

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Power Supply 15 Removing the Power Supply 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Remove the front bezel. 4. Remove the drive cage. 5. Remove the fan shelter. 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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Power Supply
15
Removing the Power Supply
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the
cover
.
3.
Remove the
front bezel
.
4.
Remove the
drive cage
.
5.
Remove the
fan shelter
.
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