Dell Dimension 5100C - Manual (Page 30)

11. Connect your computer and devices to electrical outlets, and turn them on.
Front I/O Panel
1. Follow the procedures in " Before You Begin ."
2. Open the computer cover .
3. Remove the power supply , any installed cards , and any components that restrict access to the system board.
4. Remove the system board.
5. Remove the two screws that hold the front I/O panel.
6. Pivot the I/O panel toward the back of the computer and lift to remove.
7. Disconnect any cables that are attached to the front I/O panel.
Battery
A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years. If you have to repeatedly reset time and
date information after turning on the computer, replace the battery.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
NOTE: Depending on your computer, you may have one or two screws that secure the front I/O panel.
1 screws (2)
2 front I/O panel
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the
manufacturer. Discard used batteries according to the manufacturer instructions.