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My computer keeps rebooting itself does that mean my 5 year old power supply needs to be replaced?

post #1 of 16
Thread Starter 
I have a Corsair HX750 PSU that's over 5 years old. For the last week or so my computer has been randomly rebooting it self. I removed the side panel to get better cooling, but it still keeps rebooting it's self.

There were even times when it would reboot it self when the computer was starting up before Windows even started loading.

So it's not a software issue.

So does my PSU need to be replaced?
post #2 of 16
Some more info about the rest of the system would be helpful to know.
Might not be a PSU problem.

But you can try and test the PSU using a digtal multi meter.
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Seravee
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post #3 of 16
Does it just snap off like the power cord got pulled or is it a typical reboot?
post #4 of 16
It can be software related.
What is the rest of system specs. Make and model.
    
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post #5 of 16
Try booting to a live Linux USB and see if it still does it so we can rule out a software problem.
post #6 of 16
Thread Starter 
Quote:
Originally Posted by Depauville Kid View Post

Does it just snap off like the power cord got pulled or is it a typical reboot?

Just like the power cord got removed.

i5 760
GA P55A UD4P
Corsair 16 GB RAM
ATI 5870

Windows 7
post #7 of 16
Go
Quote:
Originally Posted by Skywind View Post

Just like the power cord got removed.

i5 760
GA P55A UD4P
Corsair 16 GB RAM
ATI 5870

Windows 7

Given that information, I would lean towards a PSU problem. Most software issue will do a typical reboot, throw error messages, blue screen, etc. Some other hardware issues give errors or even start up beep codes.

But that instant snap off of the power is usually a PSU problem. I certainly couldn't say I'm 100% right without seeing it myself. I'm just saying the PSU sounds likely to me and I would investigate that further. Given the age of your unit, it's about time to buy a new one regardless.

Good luck.
post #8 of 16
Might want to throw a power supply tester on that power supply. Have you made any changes to the system e.g. change cpu cooler
 
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post #9 of 16
Thread Starter 
I just bought a new Corsair RM750 PSU and so far things no random restarts.

I am going to leave it on over night for testing purposes.

I will give an update tomorrow.

Thanks again everyone.
post #10 of 16
Quote:
Originally Posted by Skywind View Post

I just bought a new Corsair RM750 PSU and so far things no random restarts.

I am going to leave it on over night for testing purposes.

I will give an update tomorrow.

Thanks again everyone.

I think you found the fix. Good luck.
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