Dell OptiPlex 790 (Early 2011) - Manual (Page 17)

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Expansion Card
Removing the Expansion Card
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Rotate the release tab on the card-retention latch upward.
4. Pull the release lever away from the PCIe x16 card to release the securing tab from
the dent in the card. Then, ease the card up and out of its connector and remove it
from the computer.
5. Lift the PCIe x1 expansion card (if any) up and out of its connector and remove it
from the computer.
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