Dell OptiPlex GX280 - Manual (Page 311)

Installing 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.
1 securing slot (not all cards) 7 filler bracket
2 edge connector 8 retention arm
3 card connector 9 lever
4 x1 card 10 x16 card
5 edge connector 11 securing tab
6 x1 card connector
3. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with step 5 .
4. If you are replacing a card that is already installed in the computer, remove the card.
If necessary, disconnect any cables connected to the card. If your card includes a card retention bar, remove the bar.
Gently pull the securing tab, grasp the card by its top corners, and ease it out of its connector.
5. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or
otherwise customizing it for your computer.
CAUTION: Some network adapters automatically start the computer when they are connected to a
network. To guard against electrical shock, be sure to unplug your computer from its electrical outlet
before installing any cards.
6. If you are installing the card into the x1 card connector, proceed to the next step. If you are installing the card into the
x16 card connector, position the card so the securing slot is aligned with the securing tab, and gently pull the securing
tab.
7. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.