Dell Inspiron 620 (Mid 2011) - Manual (Page 9)

PCI Express x16 card: — The securing tab on the PCI Express x16 card slot may vary based on your computer model. Perform one of the following
instructions based on the type of securing tab on the PCI Express x16 card slot.
l Push the securing tab to the side and place the PCI Express card in the slot on the system board and press down firmly. Ensure that the PCI
Express card is fully seated in the slot.
l Place the PCI Express card in the slot on the system board and press down firmly. Ensure that the PCI Express card is fully seated in the slot.
1 PCI Express x1 card 2 PCI Express x1 card slot
1 securing tab 2 PCI Express x16 card slot
3 PCI Express x16 card
1 securing tab 2 PCI Express x16 card slot
3 PCI Express x16 card
1 PCI Express x16 card slot 2 PCI Express x16 card