A little help please not sure what could be busted

Soldato
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newcastle
Hi guys, I’m in a little bit of a pickle my system has been running fine for over a year now, a few days ago I got a graphics card not recognised error, which was sorted by removing and reinstalling the card, now my PC is just randomly shutting down, it can be while I’m gaming or even at idle, it has done it a few times while booting as well, I have done Stress tests on both the Graphics card and cpu and it’s never crashed while doing them. Anyone got any ideas where my problem could lie?
 
Download memtest and check memory errors .

After that setting everything to default and see if things are stable even though stress testing didn't cause an issue.
 
Download memtest and check memory errors .

After that setting everything to default and see if things are stable even though stress testing didn't cause an issue.
Yep I have already done that no errors and everything running at stock, which is why I’m leaning towards the board or gpu and the gpu lanes go from 16x to 8x to 4x
 
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This is really doing my nut in now, I have just had 6 restarts when loading windows, but now is working again for now, I have taken a video if someone can tel me how to upload it
 
How old is the PSU and what brand is it?

Can you test with a different GPU or use the integrated graphics (if available) to see what happens?
 
This is really doing my nut in now, I have just had 6 restarts when loading windows, but now is working again for now, I have taken a video if someone can tel me how to upload it
I've seen wierd issues with faulty usb devices or ports disconnected anything you don't need.

Uploading video you need to host on a site like img BB.
 
I've seen wierd issues with faulty usb devices or ports disconnected anything you don't need.

Uploading video you need to host on a site like img BB.
Really weird now, I rolled back my version of windows and now it seems fine, been gaming for the last 40 mins with no crashes(touches wood)
 
I'd try another PSU if you have one if it's just a split second shutdown. Perhaps your GPU not found error was really insufficient power to the card and the PSU is just intermittently faulty.
 
I'd try another PSU if you have one if it's just a split second shutdown. Perhaps your GPU not found error was really insufficient power to the card and the PSU is just intermittently faulty.
Strange thing is, it was working fine yesterday and the day before gaming all day and playing the same games as normal, and now today it’s started again, nothing has changed in the system, I have turned off automatic updates. The graphics card has dropped back to 8x from 16x again
 
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I would get a basic PSU tester to test the health of the PSU or try borrow a PSU. Did you manage to test the machine using the IGP if it has one?

Listing your specs also would really help us help you.
 
Strange thing is, it was working fine yesterday and the day before gaming all day and playing the same games as normal, and now today it’s started again, nothing has changed in the system, I have turned off automatic updates.
I think your only way really is process of elimination.

I've had a faulty CPU in the past where the system would run perfectly fine when booted at any level of load, but intermittently the PC would just do an instant shutoff between POST and windows loading.

At first that problem was only occurring once every 3 months or so, but it got worse until it was every day when booting and then it wouldn't boot at all. Perhaps your issue will get worse too and become more apparent what's at fault but until then intermittent faults like this are a pain in the butt, especially if stress tests and the like don't kick it off.

Have you tried looking in your event viewer to see if there's any hardware faults getting logged?

Try running without your GPU, just use onboard graphics, I think the 7900x has that, right? That'd rule out the GPU if it still occurs. Obviously it's going to be annoying because you'll need to run a sufficient amount of days due to it being intermittent.
 
I think your only way really is process of elimination.

I've had a faulty CPU in the past where the system would run perfectly fine when booted at any level of load, but intermittently the PC would just do an instant shutoff between POST and windows loading.

At first that problem was only occurring once every 3 months or so, but it got worse until it was every day when booting and then it wouldn't boot at all. Perhaps your issue will get worse too and become more apparent what's at fault but until then intermittent faults like this are a pain in the butt, especially if stress tests and the like don't kick it off.

Have you tried looking in your event viewer to see if there's any hardware faults getting logged?

Try running without your GPU, just use onboard graphics, I think the 7900x has that, right? That'd rule out the GPU if it still occurs. Obviously it's going to be annoying because you'll need to run a sufficient amount of days due to it being intermittent.
event viewer just shows Kernel-power as a critical event, if my house was cold I would start to think it’s a cold bug issue, it seems to be running fine again now, this has my head done in
 
event viewer just shows Kernel-power as a critical event, if my house was cold I would start to think it’s a cold bug issue, it seems to be running fine again now, this has my head done in
Yeah the Kernel Power one is just noise, that'll just appear on a non-clean shutdown. It's usually stuff leading up to that which might hold clues.
 
Lockups, freezing and BSODs are usually caused by software, CPU, PCIe devices, memory and motherboard.

But the issue you are facing is complete shutdown which will only be PSU, PSU Cables or Mobo.
 
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