nvidia 980ti

My computer has been crashing when I go to play games. This has been happening about two weeks and has hindered me from playing any games. The issue occurs not on loading the applications but when the applications finally load into a playable environment. My computer screen will immediately go...

So sometimes when I'm in loading screen in LoL it appears a blue screen,but not quite a blue screen.The image freezes and the sound of the blue screen appears too.It stays like that if I don't shut it down myself.Like I said the sound and the characteristcs of the blue screen are there but the...