The suggestion is to use DDU and clean out a damaged driver, replace it with a fresh copy, as per Carbonic's link.
(Assuming you actually know what video graphics adapter cards qualify for support, as was true for the OP author.)
Graphics card (AMD): AMD Radeon™ HD 7850 2GB
Graphics card (NVIDIA): nVidia GeForce® GTX 660 2GB
DirectX: 11.0 Compatible video card or equivalent
