Dell OptiPlex GX280 - Manual (Page 133)

3. Transfer components from the existing system board to the replacement system board:
a. Remove the memory modules from the existing system board and install them on the replacement board.
CAUTION: The processor package and heat-sink assembly can get hot. To avoid burns, ensure that the
package and assembly have had sufficient time to cool before you touch them.
b. Remove the heat-sink assembly and processor from the existing system board and transfer them to the
replacement system board.
4. Configure the settings of the replacement system board.
5. Set the jumpers on the replacement system board so they are identical to the ones on the existing board.
NOTE: Some components and connectors on the replacement system board may be in different locations than the
corresponding connectors on the existing system board.
6. Orient the replacement board by aligning the notches on the bottom to the tabs on the computer.
7. Replace the system board:
a. If your system board is attached to a metal tray, slide the system board assembly toward the back of the
computer until the board clicks into position.
b. If your chassis is attached to a mounting plate, slide the system board into position and replace the retention
screw.
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.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
12. Connect your computer and devices to electrical outlets, and turn them on.
Replacing the System Board: Desktop and Mini-Tower Computers
1. Gently align the board into the chassis and slide it toward the back of the computer.