Dell OptiPlex 160L - Manual (Page 70)

Ensure that the card is fully seated and that its bracket is within the card slot.
9. Secure the card bracket with the screw removed in step 7 .
10. Connect any cables that should be attached to the card.
See the documentation for the card for information about the card's cable connections.
11. Replace the computer cover .
12. Connect your computer and devices to electrical outlets, and turn them on.
13. Install any drivers required for the card as described in the card documentation.
1 card
2 card cutout
3 card connector on system board
4 crossbar
1 not fully seated card
2 fully seated card
3 bracket within slot
4 bracket caught outside of slot
NOTICE: Do not route card cables over or behind the cards. Cables routed over the cards can cause damage to the equipment.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.