Dell OptiPlex 7020 Tower OptiPlex 7020 Mini Tower Owners Manual - Page 20
Installing the Power Supply, Removing the Heat Sink Assembly, After Working Inside Your Computer
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Installing the Power Supply 1. Place the power supply in the chassis and slide towards the back of the system to secure it. 2. Tighten the screws to secure the power supply to the back of the computer. 3. Connect the 4-pin and 8-pin power cables to the system board. 4. Thread the power cables through the chassis clips. 5. Install the cover. 6. Follow the procedures in After Working Inside Your Computer. Removing the Heat Sink Assembly 1. Follow the procedures in Before Working Inside Your Computer. 2. Remove the cover. 3. Disconnect the fan cable from the system board. Loosen the captive screws in diagonal order and lift the heat-sink assembly away from the computer. 20
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Installing the Power Supply
1.
Place the power supply in the chassis and slide towards the back of the system to secure it.
2.
Tighten the screws to secure the power supply to the back of the computer.
3.
Connect the 4-pin and 8-pin power cables to the system board.
4.
Thread the power cables through the chassis clips.
5.
Install the cover.
6.
Follow the procedures in
After Working Inside Your Computer
.
Removing the Heat Sink Assembly
1.
Follow the procedures in
Before Working Inside Your Computer
.
2.
Remove the cover.
3.
Disconnect the fan cable from the system board. Loosen the captive screws in diagonal order and lift
the heat-sink assembly away from the computer.
20