Dell OptiPlex 330 User Manual page 222

2
1
1 card fully seated
3 bracket within slot
8 If you are installing the PCI Express card into the x16 card connector,
position the card so the securing slot is aligned with the securing tab.
9 Place the card in the connector and press down firmly. Ensure that the card
is fully seated in the slot.
222
Desktop Computer Parts
2 card not fully seated
4 bracket caught outside of slot
3
4