9.Replace the computer cover.
NOTICE: To connect a network cable, first plug the cable into the network port or device and then plug the cable into the computer.
10. Connect your computer and devices to electrical outlets, and turn them on.
I/O Panel
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
I/O-Panel Components
1USB ports
2diagnostic,
3headphones connector
4microphone connector
Removing the I/O Panel
1.Follow the procedures in "Before You Begin."
2.Remove the computer cover.
3.If your computer includes a card retention mechanism to secure the x16 card in place from the top:
a. Pivot the mechanism upward and gently press the release tab downward to release the mechanism from the two tab slots holding it in place.