Dell Dimension 1100/B110 - Manual (Page 51)

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
10. Connect your computer and devices to electrical outlets, and turn them on.
Power Supply
Removing the Power Supply
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
removing the cover.
1. Follow the procedures in Before You Begin .
2. Remove the fan assembly .
3. Disconnect the AC power cable from the AC power connector on the back of the power supply.
4. Unplug the DC power cables from the drives and system board.
5. Remove the four screws that secure the power supply to the back of the computer.
6. Remove the power supply from the computer.
Replacing the Power Supply