Dell OptiPlex 390 Owners Manual - Page 43

Installing The Power Supply

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Installing The Power Supply 1. Place the power supply in the chassis and slide outward to secure it. 2. Use a Phillips screwdriver to tighten the three screws securing the power supply to the back of the computer. 3. Connect the power cable to the system board. 4. Thread the power cable into the chassis clips. 5. Connect the power cable to the system board. 6. Install the fan shelter. 7. Install the drive cage. 8. Install the front bezel. 9. Install the cover. 10. Follow the procedures in After Working Inside Your Computer. 43

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Installing The Power Supply
1.
Place the power supply in the chassis and slide outward to secure it.
2.
Use a Phillips screwdriver to tighten the three screws securing the power
supply to the back of the computer.
3.
Connect the power cable to the system board.
4.
Thread the power cable into the chassis clips.
5.
Connect the power cable to the system board.
6.
Install the
fan shelter
.
7.
Install the
drive cage
.
8.
Install the
front bezel
.
9.
Install the
cover
.
10.
Follow the procedures in
After Working Inside Your Computer
.
43