Dell Dimension C7565 Owner's Manual page 71

2 Gently push the release tab on the card retention door from the inside to pivot the door open.
Because the door is captive, it will remain in the open position. (See page 66 for an illustration
of the card retention door.)
3 If your computer includes a card retention mechanism, to secure the x16 card in place from
the top:
Pivot the mechanism upward and gently squeeze in on the sides to release the
a
mechanism from the two tab slots holding it in place.
Set the retention mechanism aside in a secure location.
b
4 If you are installing a new card, remove the filler bracket to create a card-slot opening. Then
continue with step 5.
5 If you are replacing a card that is already installed in the computer, remove the card.
If necessary, disconnect any cables connected to the card. If your card includes a retention
mechanism, remove the top of the retention mechanism by pressing the tab and pulling up
on the top. Gently pull the securing tab, grasp the card by its top corners, and then ease it out
of its connector.
card retention door
card retention mechanism
release tabs (2)
Removing and Installing Parts
71