Dell XPS M2010 (MXP061, Mid 2006) - Manual (Page 63)

5. Remove the filler bracket or existing card (see Removing PCI and PCI Express Cards ) to create a card- slot opening.
6. Prepare the card for installation.
See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your
computer.
7. Position the card so that it is aligned with the slot and the securing tab (if present) is aligned with the securing slot.
8. Gently pull the securing tab (if present) and place the card in the connector. Press down firmly and ensure that the card is fully seated in the slot.
1 release tab 2 card retainer 3 alignment guide
4 fan bracket
NOTE: If the card is full-length, insert the card guide into the alignment slot on the fan bracket.
1 PCI Express x16 card 2 securing tab 3 PCI Express x16 card slot
NOTICE: Ensure that you release the securing tab to seat the card. If the card is not installed correctly, you may damage the system board.
1 card connector (seated) 2 card connector (not 3 bracket properly aligned