The past week while I've been gaming my screen will go blank, I I still get sound, but I cant get the screen to display anything, I've even tried on board graphics, nothing, mostly I'll freeze before I get the chance... I have to shut down via holding the power button, when I reboot it says the Overclocking has failed and to hit F1 to enable the overclock again. I only have my CPU at a mild overclock (i5 3570k @ 4.0GHz) I can fold for hours, video edit and work on 3D Modeling projects without issues or crashing, just when I game, can happen in 5 minutes or after an few hours... I have no idea what to do...