PC randomly restarts without warning?

So recently my PC has started restarting itself without any warning whatsoever and then turns on and acts like nothing happened. I am aware that I am running 2 monitors (720p) and a Razer keyboard and mouse on a mere 180w PSU so at the moment I believe this is the problem but could anything else be contributing to... show more So recently my PC has started restarting itself without any warning whatsoever and then turns on and acts like nothing happened.
I am aware that I am running 2 monitors (720p) and a Razer keyboard and mouse on a mere 180w PSU so at the moment I believe this is the problem but could anything else be contributing to this?
11 answers 11