Dell OptiPlex 330 User Manual page 98

1 securing screw
3 I/O cable connector
Installing the I/O Panel
1. Attach the I/O cable to the I/O panel.
1. Place the I/O panel into the slot.
NOTICE: Take care not to damage the cable connectors and the cable routing clips when sliding the I/O panel into the computer.
2. Align and slide the I/O panel clamp in the I/O panel clamp slot.
3. Check the front panel to ensure that the USB and audio jacks are centered on the holes.
4. Replace and tighten the screw that secures the I/O panel.
5. Reconnect the cables to the system board.
6. Replace the computer cover (see
NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
7. Connect your computer and devices to an electrical outlet, and turn them on.
8. Verify that the computer works correctly by running the Dell Diagnostics (see
System Board
Removing the System Board
CAUTION: To guard against electrical shock, laceration by moving fan blades, or other unexpected injuries, always unplug your computer from
the electrical outlet before opening the cover.
CAUTION: The heat sink assembly, power supply, and other components may become very hot during normal operation. Be sure that they have
had sufficient time to cool before you touch them.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
1. Follow the procedures in Before You
2 I/O panel
4 I/O connector pull-loop
Replacing the Computer Cover).
Begin.
Dell Diagnostics).