VIDEO_DXGKRNL_FATAL_ERROR

I have this problem for like a month now. When I was playing any games like Forza, total war, etc the game would crash after about 5-10 mins. Not long after that I always got BSOD and it says VIDEO_DXGKRNL_FATAL_ERROR. I have tried many solutions like uninstalling graphic card with DDU and...

The PC cases I've bought in the past have always had a little black (ground) wire coming from the front I/O module that I have always attached to one of the PSU mounting screws. However, I just bought a cheap little Corsair case (http://www.newegg.com/Product/Product.aspx?Item=N82E16811139041)...