Pci-e slot rear locking clamps.
Type 1: First make sure you have unscrewed the card from the case edge bracket of the graphics card.
Next lift the front edge slightly away from the bracket side at a slight angle.
Pull on the pin on the back edge of the Pci-e slot in question holding it.
And then lift the front edge of the card via the bracket out of the slot.
Then pull on the back edge of the card.
Type 2: The second type of retainer used on a Pci-e slot is one where you push on the back of it to leaver the card from the back edge of the Pci-e slot slightly out.
Type 3: And third type is where you have to slide the retainer or latch, back over away from the back edge of the Pci-e slot to release it`s hold on the back lip of the...