Just recently, a few minutes after launching a game, it would crash, my computer would appear to go into sleep mode, but the LEDs and fans would still be on, except my new GTX 970, which would be turned off. I experimented to see if there was a pattern of which games would cause the problem. Using the power button, for some reason would not work, and I'd have to press the restart button. I would do this and I was making no progress, and for some reason my computer wouldn't load up. The Windows logo (Windows 10) would pop up with a loading wheel, and then the screen would just go black. I tried restarting again and go an error message saying something along the lines that Windows could not be loaded, I read that I should try to restart if it was my first time seeing the message, so I did and my computer loaded up. Now I'm too afraid to launch another game. Please, any help on both of the problems would be very much appreciated.
Specs:
http://pcpartpicker.com/p/jpxchM
Specs:
http://pcpartpicker.com/p/jpxchM