Computer Powered Off and Won't Turn Back On

Elliottinoss

Reputable
Apr 16, 2014
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4,530
I had just booted up Rainbow Six Siege after buying it and my room was pretty warm to say the least. I had been on it for over an hour and a bit when my computer suddenly just died. The computer powered off but the monitors remained on. I did power cycles; unplugging and switching off at the wall and so on but nothing. I unplugged the computer and took it somewhere cooler to cool down and just tried it again but no power once more. No fan activity no lights just dead. Any suggestions?
 
Stupid question did you accidentally hit the power switch on the power supply(the cable can press if you try to push it up against a wall as well)?

If not it sounds like the power supply failed since you are not getting any case fans to spin up they would even if the motherboard was faulty.
 

Elliottinoss

Reputable
Apr 16, 2014
47
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4,530


No, I assumed that as the first thing but no I've tried securing everything at the back again but nothing, the computer is still flatlined.
 


The little switch on the back side of the PSU is what I was referencing. Not sure I was clear. Anyhow if its not flipped to off then it really sounds like you have a dead PSU.