PC problem - GPU or PSU ?

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ellnixuk

Reputable
Nov 13, 2014
3
0
4,510
CPU - i5 4670k
GPU - GTX 770 2gb - Palit
RAM - 16gb Hyper X (4x4gb)
Mobo - Asus Maximus VI Hero
PSU - Corsair RM 650w modular 80+ Gold
Cooler - Corsair H80i
OS - Windows 8.1

Hi there,

Looking for some guidance on problems with my 2 year old PC. The other day I was watching YouTube and playing BF4 and my displays started to show a severely corrupted image (images can be seen here). The only way to resolve this was to restart. On restarting I received the "Display driver NVIDIA ...stopped responding and has successfully recovered" so did a fresh install of GPU drivers using DDU.

Everything seemed OK for a couple of days but then playing BF4 everything froze up with a slight green haze over certain objects on the screen and the pc restarted itself. This happened again a few times with varying periods of play time. I downloaded Furmark to see if it was only BF4 related but this crashes instantly with the same green haze and PC resetting itself with no BSOD. According to Event Viewer this was due to Kernel Power - "The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."

I tried another fresh GPU driver install. However now the PC will POST but after that both screens remain black. The only way I can get into Windows is to select on board graphics as the default in the BIOS. PC then runs fine for watching videos, browsing etc.

I have tried:
-Fresh driver install as above.
-Running Prime 95 and monitoring voltages in HWMonitor - nothing seemed out of the ordinary. However I am unsure if this would put enough load on the PSU to cause issues.
-Reseating GPU.

So my thoughts are that either my PSU or GPU have failed. Unfortunately I don't have spares of either to test and don't want to buy one component only for it to be the other that has failed!

Any guidance would be much appreciated.

Cheers,

Elliott
 
Solution
Calculagator
PSU failures can have really odd symptoms, but what you are experiencing is typical for GPU failure. If your GPU cooling has gotten clogged or failed somehow, it may be possible to salvage the GPU by cleaning it out, but most likely you need a new GPU (or just use integrate graphics and don't play games).
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Calculagator

Calculagator

Admirable
Nov 18, 2014
2,508
1
8,960
PSU failures can have really odd symptoms, but what you are experiencing is typical for GPU failure. If your GPU cooling has gotten clogged or failed somehow, it may be possible to salvage the GPU by cleaning it out, but most likely you need a new GPU (or just use integrate graphics and don't play games).
 
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Solution
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naraic12

Commendable
Jul 8, 2016
1
0
1,510


Hey there,

I was just wondering if you got this issue resolved. I'm experiencing the exact same issues, and like yourself I'm not really willing to purchase a new psu to find that it's my gpu that's faulty!

I also tried everything that you did with no success.

Would really like to hear how you got on.

Thanks

Ciarán

 
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whodareswins89

Commendable
Jul 14, 2016
1
0
1,510


Same issue here except mine is happening moments after the windows 10 login screen, I thought it was the new Nvidia driver I just installed, so I rolled it back to 368.22 and it worked again for a day or so, now it's back. Preparing for a reformat to see if it alleviates any issues. Anyone have any luck with this?

Weirdly enough i have an identical build.



 
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