Removing The I/O Panel - Dell OptiPlex 330 User Manual

1 heat sink assembly
3 captive screw housing (2)
10. Connect any cables disconnected before removing the heat sink assembly.
11. 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.
12. Connect your computer and devices to an electrical outlet, and turn them on.
13. Verify that the computer works correctly by running the Dell Diagnostics (see
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, 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: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your
computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

Removing the I/O Panel

NOTE: Note the routing of all cables as you remove them so that you can reroute them correctly when installing the new I/O panel.
1. Follow the procedures in Before You
2. Remove the computer cover (see
3. Remove the bezel (see Removing the
NOTICE: When sliding the I/O panel out of the computer, be extremely careful to prevent damage to the cable connectors and the cable routing clips.
4. Disconnect all the cables that are connected to the I/O panel from the system board.
5. Remove the screw that secures the I/O panel.
6. Slide the I/O panel down to release the I/O panel clamp from the I/O panel clamp slot.
7. Carefully remove the I/O panel from the computer.
2 heat-sink assembly bracket
Replacing the Computer Cover).
Begin.
Removing the Computer Cover).
Bezel).
Dell Diagnostics).