Dell Precision 490 User Manual
Page 36
5.
If you are installing a new card, remove the filler bracket to create a card-slot opening. Then continue with
.
6.
If you are replacing a card that is already installed in the computer, remove the card:
a.
If necessary, disconnect any cables connected to the card.
b.
If the card is full-length, press the release tab on the end of the alignment guides on the fan case.
c.
If the connector has a release tab, press the release tab as you grasp the card by its top corners, and ease it out of its connector.
1 card retention door
2 release tab
1 release tab
2 card retention door
3 alignment bar
4
alignment guide
NOTE:
For extra security, remove the alignment guide (an upside-down screw) and screw it in right side up to secure a card.
5 filler bracket
NOTICE:
Ensure that you release the securing tab to unseat the card. If the card is not removed correctly, the system board may be damaged.