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Windows 7: Difference between a GPU or a PSU issue

04 Jun 2014   #1

Windows 7 Home Premium x64
Difference between a GPU or a PSU issue


This thread is in part connected to a previous thread I made here, but it is still a different question, so I figured that a new topic would be in order.

After testing a lot of different possibilities I am almost certain that I have a hardware issue with either my power supply or graphics card. If I put my graphics card under heavy load it will crash within about 3 minutes.

If I do the OCCT power supply test, which supposedly even manages to wreck some lower power supply units, my pc can keep on going for at least 10 minutes without any issues. The thing that confuses me though, is that if I remove everything connected to the usb ports and the audio-jack, my graphics card can go for at least twice as long before crashing (one time it even took 15 minutes), even though it got to higher temperatures, by simply running for longer.

If the graphics card is at fault, then surely disconnecting things from the ports, shouldn't help? At the same time, shouldn't my PSU have gotten a problem with the power supply test? Or am I relying too much on it?

I don't have anyone I can switch cards or power supply with, so any help in finding out what has gone wrong, would be greatly appreciated.

Previous thread:

My System SpecsSystem Spec
04 Jun 2014   #2

W7 Pro x64 SP1 | W10 Pro IP x64 | W8.1 Pro x64 VM | Linux Mint VM

It would help if you listed what PSU you actually have.
My System SpecsSystem Spec
04 Jun 2014   #3

Windows 7 Home Premium x64

I have a corsair GS600W 80+
My System SpecsSystem Spec

04 Jun 2014   #4

W7 Pro x64 SP1 | W10 Pro IP x64 | W8.1 Pro x64 VM | Linux Mint VM

What drivers are you running for your GPU? It does certainly point to it being the GPU when taking your other thread into account too.
My System SpecsSystem Spec
04 Jun 2014   #5

Windows 7 Home Premium x64

I have the newest one, 14.4. I started getting issues while I had an older driver (it didn't coincide with a driver update), so I thought I'd try updating it, but it didn't help. Then I tried amds driver clearing utility, which went as far as wiping my usb drivers (luckily the front ports still worked) and I just reinstalled everything again, only to have no improvement.

I don't know if this is worth mentioning, but windows failed with installing the new .NET framework update since february, right until about this started happening, but that might just be a coincidence.
My System SpecsSystem Spec

 Difference between a GPU or a PSU issue

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