not sure where to post this but i flicked the switch behind PSU to turn on PC and it made a very loud bang noise (it came from my PC) nothing seems to be broken and i am using the same PC to type this comment not sure what happened but i was thinking something inside my PSU exploded. something with nothing connected to it
also if you think it was a power surge i am using a surge protected power strip
also if you think it was a power surge i am using a surge protected power strip