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GPU or PSU Problem?


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5 replies to this topic

#1 Paparrabinho

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Posted 28 May 2016 - 03:20 PM

Hi,

I have a 4 years old PC, and recently its presenting some problem. The PC wasn't booting up sometimes and when it did it restarted a lot and randomly. I tried many things and found that if I didn't use my GPU (a GTX 670) it would boot up normally and never restarts. The problem is: I tested the GPU in another PC and it worked without any problem, could it be my PSU? or there's something wrong with my video card?

thanks for the help!

 

PC config:

i7 - 3770

Mobo b75m-b3h

GPU: gtx 670

PSU: Corsair CX750

2x 2gb RAM

2x 1TB HDD 

 



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#2 technonymous

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Posted 28 May 2016 - 05:13 PM

Based off your info it certainly sounds like a PSU or a motherboard issue. I had helped a friend build a system similar to yours with the exact same model of PSU and it too had acted in the same manner. I swapped it out with a model I had available CX650 and problems went away instantly. It wasn't under voltage It was the PSU caps beginning to fail. I read more and more same things on the internet about the Corsair 750 having this same issue. Could be that many flawed ones got sold. A motherboard can cause these issue as well. Basically the same thing happens with capacitors on the motherboard beginning to fail. There really is no way to tell for sure than to swap the PSU. Don't attempt to open the PSU it is dangerous and the high voltage caps in there can kill. Not sure how long Corsair carry it's warranty, but that is something you can look into. Problem is you would be without a computer possibly for weeks during that process. Otherwise you will just have to break down and buy a new one.



#3 ScathEnfys

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Posted 28 May 2016 - 05:17 PM

The lower-end corsair PSUs are known to have isues like this IIRC. I would suggest checking the PSU tier list and going with a higher tier PSU: Anything build by seasonic tends to be top notch (note that I said built, not branded. There are a lot of seasonic rebrands out there).
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#4 Paparrabinho

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Posted 28 May 2016 - 09:20 PM

Thanks!! I have a friend with a different PSU and a hardware config that's close to mine, so i'm gonna ask if he could change with me for a few weeks so I can test it.



#5 MajesticFailure

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Posted 28 May 2016 - 11:19 PM

The word on the street is that the Corsair CX series uses cheapo capacitors (hence the price bracket). It's still surprising but as everyone seems to be saying, cheapo caps could mean it wears out sooner. It would be interesting to know how old the PSU is.



#6 MajesticFailure

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Posted 28 May 2016 - 11:21 PM

(assuming it's the PSU and not the mobo as has also been implicated)

 

 

By the way, everyone's raving about Japanese capacitors. I don't know how being made in a specific country makes it better, but it's something they like to brag about on PSU specs.


Edited by MajesticFailure, 28 May 2016 - 11:29 PM.





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