Dell XPS 420 (Late 2007) - Manual (Page 122)

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Removing and Installing Parts
3 If present on your computer, rotate the lever on the chassis wall upward.
4 Push the two release tabs on the card retention door toward each other and
pivot the door open. Because the door is hinged, it will remain in the open
position.
5 If your computer includes a card retention mechanism to secure the x16
card, press the release tab downward gently and then pivot the mechanism
upward to access the card slots.
1 release tab 2 card retention mechanism 3 card retention door
1 PCI Express x16 card slot 2 PCI Express x16 card 3 securing tab
4 PCI Express x1 card 5 PCI Express x1 card slot
3
1
2
2
1
4
5
3
book.book Page 122 Tuesday, November 27, 2007 10:29 AM