While gaming I constsntly run into this problem. Any game I play will run fine for about an hour and then will blackscreen. The computer becomes unresponsive and required a hard reset in order to fix the problem.
I have already looked around for solutions to this problem and these are the ones I have tried with no effect:
Removing all graphics drivers and reinstalling them Uninstalling CCC and reinstalling it to the latest version Lowering the OC on my graphics card to stock speeds Lowering the OC on my CPU to stock speeds Increasing voltage on my CPU and GPU Making a more aggressive fan curve in MSI Afterburner
Also the temps on my CPU and GPU are as follows (if it helps):