Dell OptiPlex 170L User Manual page 55

1 screws (2)
2 I/O panel
3 sound/USB cable
4 tie wrap cord
6. Remove the I/O panel and disconnect the sound/USB cable from the I/O panel.
7. Attach the sound/USB cable to the new I/O panel.
8. Insert the I/O panel into the I/O cage and replace the screws that you removed in step 5.
1 screws (2)
2 I/O panel
3 I/O cage
9. Reattach the front panel to the side hinges, and then rotate it until it snaps onto the front of the computer.