Dell Dimension 4700C - Manual (Page 24)

13. Place the system board that you just removed next to the replacement system board.
Replacing the System Board
1. Transfer components from the existing system board to the replacement system board:
a. Remove the memory modules and install them on the replacement system board.
b. Remove the heat-sink assembly and processor package from the existing system board and transfer them to the replacement system board.
c. Remove the modem from the existing system board and transfer it to the replacement system board.
2. Configure the settings of the replacement system board.
3. Set the jumpers on the replacement system board so that they are identical to the ones on the existing system board.
4. Orient the replacement system board by aligning the slots in the bottom of the board to the tabs on the computer.
5. Slide the system board down onto the pins.
6. Replace the screw that holds the system board down.
7. Reconnect the modem cable and ground wire to the modem:
a. Reconnect the modem cable from the modem.
b. Use a size #1 screwdriver to remove the screws securing the modem and ground wire to the system board, and set the screws aside.
8. Replace any components and cables that you removed from the system board.
9. Reconnect all cables to their connectors at the back of the computer.
10. Close the computer cover .
11. Attach the computer stand (optional).
12. Connect your computer and devices to electrical outlets, and turn them on.
CAUTION: The heat-sink assembly and processor package can get hot. To avoid burns, ensure that the assembly and package have had sufficient
time to cool before you touch them.
NOTE: Some components and connectors on the replacement system board may be in different locations from corresponding connectors on the existing
system board.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.