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5. Remove the power supply from the computer.
Replacing the Power Supply
1. Slide the power supply into place.
2. Replace the four screws that secure the power supply to the back of the computer.
3. Reinstall the fan assembly.
4. Reconnect the DC power cables to the drives and system board.
5. Replace the computer cover.
6. Connect the AC power cable to the AC power connector on the back of the power supply.
7. Connect your computer and devices to electrical outlets, and turn them on.
DC Power Connectors
Power Supply DC Connector Pin Assignments
Main Power Connector
1
screws (4)
2
power supply
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
Pin
Number
Signal Name
22-AWG
Wire
1
+3.3 VDC
Orange