Dell Dimension 2300 - Manual (Page 73)

Adding Parts 73
7 Secure the filler bracket onto the end of the card with the screw you
removed in step 5.
8 Connect any cables required for the card as described in the card
documentation.
NOTICE: Do not route card cables over or behind the cards. Cables routed
over the cards can cause damage to the equipment.
9 Replace the computer cover (see page 82).
NOTICE: To connect a network cable, first plug the cable into the network
wall jack and then plug it into the computer.
10 Connect your computer and devices to electrical outlets, and turn
them on.
11 Install any drivers required for the card as described in the card
documentation.
fully seated not fully seated
bracket caught
outside of slot
bracket within slot