Dell Dimension C521 Owner's Manual page 71

6
5
4
3
1 bracket within slot
4 alignment guide
7 Before you close the card retention door, ensure that:
• The tops of all cards and filler brackets are flush with the alignment bar.
• The notch in the top of the card or filler bracket fits around the alignment guide.
2 bracket caught outside of slot 3
5 fully seated card
1
2
alignment bar
6 not fully seated card
Removing and Installing Parts
71