Replacing the I/O Panel
1.Attach the sound/USB cable to the new I/O panel.
2.Insert the I/O panel into the I/O cage and replace the screws that you removed in step 4.
1screws (2)
2I/O panel
3I/O panel cage
3.Reattach the front panel to the side hinges, and then rotate it until it snaps onto the front of the computer.
1side hinges
2front panel
4.Reinstall the hard drive(s).