Dell Dimension 3100C - Manual (Page 28)

3. Replace any components and cables that you removed from the system board.
4. Reconnect all cables to their connectors at the back of the computer.
5. Replace the computer cover .
6. Connect your computer and devices to electrical outlets, and turn them on.
Power Supply
Removing the Power Supply
1. Follow the procedures in " Before You Begin ."
2. Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer chassis as you remove them from the system board and drives. You must
route these cables properly when you replace them to prevent their being pinched or crimped.
3. Remove the two screws that attach the power supply to the back of the computer chassis.
4. Remove the CD/DVD drive and carefully set it aside.
5. Press the release button located on the floor of the computer chassis.
6. Slide the power supply toward the front of the computer by approximately 1 inch.
7. Lift the power supply up and out of the computer.
8. Slide the replacement power supply into place.
9. Replace the screws that secure the power supply to the back of the computer chassis.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug the cable into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
1 release button 2 power supply 3 screws (2)
4 AC power connector