Dell OptiPlex 755 User Manual page 144

4. If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with
5. 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. Then
continue with step 6.
6. Prepare the card for installation.
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.
NOTE: See the documentation that came with the card for information on configuring the card, making internal connections, or customizing it for
your computer.
7. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.
1 card fully seated
4 bracket caught outside of slot
8. Before closing the card retention latch, ensure that:
The tops of all cards and filler brackets are flush with the alignment guide
l
The notch in the top of the card or filler bracket fits around the alignment guide
l
9. Secure the card(s) by closing the card retention latch and snapping it into place.
NOTICE: Do not route card cables over the cards. Cables routed over the cards can prevent the computer cover from closing properly or cause damage
to the equipment.
10. Connect any cables that should be attached to the card.
11. Replace the computer cover (see
NOTE: See the documentation that came with the card regarding the card's cable connections.
12. If you installed a sound card:
a. Enter system setup, select Integrated Audio from the Onboard Devices group, and change the setting to Off (see
b. Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the line-in connector on the back panel
of the computer (see
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
13. If you installed a network adapter card and want to turn off the integrated network adapter:
a. Enter system setup, select Integrated NIC from the Onboard Devices group, and change the setting to Off (see
b. Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector on
the back panel of the computer.
NOTICE: If you disable the integrated network adapter, you will not have AMT functionality.
14. Install any drivers required for the card as described in the card documentation.
2 card not fully seated
Replacing the Computer Cover).
Back Panel Connectors).
3 bracket within slot
step 6.
System Setup).
System Setup).