Dell OptiPlex 390 (Mid 2011) - Manual (Page 15)

Expansion Card Tab
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Removing the Expansion Card
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Remove the front bezel .
4. Rotate the release tab on the card-retention latch upward.
5. Pull the release lever away from the PCIe x16 card until you 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.
6. Pull the release lever away from the PCIe x4 card (if any) 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.
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