Did you install the preview drivers for this card? It has a known issue with several games. Some players are using DX11 to prevent it. You can read the thread here (it also relates to series 6000 cards):
Did you install the preview drivers for this card? It has a known issue with several games. Some players are using DX11 to prevent it. You can read the thread here (it also relates to series 6000 cards):