I have a 980TI and from doing lots of reading there appears to be issues with this card and Windows 10.
Sergey from BF recently made an addition to this ticket on the Blender bug tracking system.
It seems he has come to the conclusion that the issue is/most likely is an issue with Windows 10 and or the NVidia Drivers.
If this is where the issue lies what do we do next? Windows 10 is heading towards its first anniversary and the card itself isn’t particularly new either. How can we push for a fix or other help from MS/NVidia?