Dell OptiPlex GX280 - Manual (Page 314)

b. Connect the network cable to the add-in network adapter's connectors. Do not connect the network cable to the
integrated connector on the back panel.
15. Install any drivers required for the card as described in the card documentation.
Removing a PCI Express Card
1. Follow the procedures in " Before You Begin ."
2. Press the lever on the card retention arm and raise the retention arm.
3. If necessary, disconnect any cables connected to the card.
4. Gently pull back the securing tab, grasp the card by its top corners, and ease it out of its connector.
5. If you are removing the card permanently, install a filler bracket in the empty card-slot opening.
If you need a filler bracket, contact Dell .
NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the
computer. The brackets also keep dust and dirt out of your computer.
6. Lower the retention arm and press it into place.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
7. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.
After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following
message to appear on the screen at the next computer start-up:
ALERT! Cover was previously removed.
8. Reset the chassis intrusion detector by changing Chassis Intrusion to On or On-Silent.
NOTE: If an admin password has been assigned by someone else, contact your network administrator for information
on resetting the chassis intrusion detector.
Serial Port Adapters
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
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.
NOTE: The serial port adapter for your small mini-tower computer also includes two PS/2 connectors.
Installing a Serial Port Adapter
1. Follow the procedures in " Before You Begin ."
2. Raise the retention arm.