Dell Vostro 260s (Mid 2011) - Manual (Page 16)

5. Lift the expansion card up and out of it's connector and remove it from the
computer.
Installing The Expansion Card
1. Place the expansion card on it's connector.
2. Press down the card-retention till it snaps into place.
3. Secure the expansion card by pushing the card-retention latch till it snaps into
place.
4. Replace the cover .
5. Follow the procedures in After Working Inside Your Computer .
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