Dell Dimension 4400 Owner's Manual page 71

Ensure that the card is fully seated in the connector.
7
bracket caught
outside of slot
bracket within slot
back of computer
Lower the plastic securing lever.
8
Connect any cables that should be attached to the card.
9
See the card documentation for information about the card cable
connections.
Close the computer cover (see page 87).
10
Connect your computer and devices to their electrical outlets, and
11
turn them on.
NOTICE:
To connect a network cable, first plug the cable in to the network
wall jack and then plug it in to the computer.
Install any drivers required for the card as described in the card
12
documentation.
not fully seated
fully seated
Adding Pa rts 71