Set the jumper on the replacement system board so it is identical to the one on the existing board.
3. Orient the replacement board by aligning the notches on the bottom to the tabs on the computer floor.
4. Slide the board toward the back of the computer until it clicks into place.
5. Replace any components and cables that you removed from the system board.
6. Close the computer cover.
7. Attach the computer stand (optional).
8. Connect your computer and devices to electrical outlets, and turn them on.
Replacing the Power Supply
Removing the Power Supply
1. Shut down the computer.
2. Turn off any attached devices and disconnect them from their electrical outlets.
3. Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.
4. Remove the computer stand, if it is attached.
5. Open the computer cover.
6. Disconnect the AC power cable from the AC power connector on the back of the power supply.
7. Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the clips in the computer as you remove them from the system board and drives. It is important to
route these cables properly when you replace them to prevent them from being pinched or crimped.
8. Remove the card cage and remove the power cables from the side of the hard drive. To remove the power cables, use the cables as leverage and pull
away from the clips while simultaneously pulling on the metal clips with your fingers.
9. Press the release button by pressing down on the handle, which in turn presses the release button.
10. Slide the power supply toward the front of the computer approximately 1 inch.