Dell Dimension 9100 - Manual (Page 77)

Removing and Installing Parts
77
11 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.
12 If you removed a card retention mechanism, snap it into place, securing the x16 PCI-E card.
fully seated card
not fully seated card
bracket caught
outside of slot
bracket within slot
alignment guide
alignment bar
card
retention
door
release tab card retention mechanism*
*"piano" bracket
*may not be present on all computers