1. Transfer components from the existing system board to the replacement system board, if applicable.
2. Orient the system board assembly by aligning the notches on the bottom of the assembly with the tabs on the computer.
3. Slide the system board assembly toward the back of the computer until the assembly clicks into place.
4. Replace the two screws to secure the system board assembly to the chassis.
5. Align the screw holes on the card fan assembly with the screw holes on the system board assembly, then replace the two screws to secure the card fan
assembly.
6. Connect the fan cable to the FAN_CAGE connector on the system board (see
7. Replace any expansion cards that you removed (see
8. Replace any additional components that you removed from the system board.
9. Reconnect all cables to the system board.
10. Replace the computer cover (see
NOTICE:
To connect a network cable, first plug the cable into the network port or device and then plug it into your computer.
11. Connect your computer and devices to electrical outlets, and then turn them on.
12. Flash the system BIOS, as needed.
NOTE:
For information on flashing the system BIOS, see support.dell.com.
Power Supply
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
Removing the Power Supply
1. Follow the procedures in
Before You
2. Remove the computer cover (see
NOTICE:
Note the location and ID of each power connector before disconnecting the power supply cables.
3. Follow the DC power cables that stem from the power supply and disconnect each connected power cable.
NOTE:
Note the routing of the power cable bundles as you disconnect them. You must route these cables properly when you replace them to
prevent them from being pinched or crimped.
4. Remove all hard drives installed in the interior hard-drive bays (see
5. Remove the optional hard-drive fan, if applicable (see
6. Remove the two screws that attach each hard-drive bay.
7. Remove the hard-drive bays from the chassis.
Installing PCI and PCI Express
Replacing the Computer
Cover).
Begin.
Removing the Computer
Cover).
Removing the Optional Hard Drive
System Board
Components).
Cards).
Removing a Hard
Drive).
Fan).