pc overheating problem?

[ssmilee]

everything looked ok all day.I was able to run games and everything was running perfectly.I took a nap and when i woke up i tried to load a game and the screen would start blinking and eventually the PC would restart.
PLEASE HELP

 

[rgd1101]

Don't sound like overheating if you are just try to load a game.
What is you system spec? include the make and model of the psu.

 

[ssmilee]

Don't sound like overheating if you are just try to load a game.
What is you system spec? include the make and model of the psu.

Specs:
GTX 970
Z97 pro gamer
i5 4690k
samsung 240 ssd