GPU upgrade is causing all sorts of problems that look possibly CPU related

[Joe User]

You're not overclocking anything are you?

[Brandon H Supervisor]

  On 11/03/2023 at 04:24, Cyber Akuma said:

As in an entirety different model of CPU or just another of the same one? I can get another of the same CPU I have for around $20 on ebay used.

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definitely doesn't hurt to try if you can get a replacement that cheap.

I'm leaning about the same way as others; either something with the CPU or PSU are starting to go bad (maybe all the jiggling around during the upgrade/swaps finally got the issue showing its face) (or perhaps the RTX was too much for the PSU causing a section to start to fail; PSUs can be wonky to pin down if they're the culprit sometimes just because there's not always a way to replicate the bad fluctuation)

[Cyber Akuma]

  On 13/03/2023 at 20:25, Joe User said:

You're not overclocking anything are you?

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Nope! Pretty sure this system won't even let me overclock anything, although I suppose I could still overclock the GPU, but nah I am running stock settings even on that. Don't even have any overclocking software installed.

  On 13/03/2023 at 20:31, Brandon H said:

definitely doesn't hurt to try if you can get a replacement that cheap.

I'm leaning about the same way as others; either something with the CPU or PSU are starting to go bad (maybe all the jiggling around during the upgrade/swaps finally got the issue showing its face) (or perhaps the RTX was too much for the PSU causing a section to start to fail; PSUs can be wonky to pin down if they're the culprit sometimes just because there's not always a way to replicate the bad fluctuation)

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Well, I am very certain it's not the GPU now. Because I put in a temporary GT 720 while I figure this out since I still need the PC for non-gaming tasks.... and it was working fine for about a week... and then crashed TWICE in the exact same way even though the GT720 is powered purely off the PCIe port. 

 So now it could be the CPU, or the RAM, or the Motherboard... there is also a chance it could be the PSU.

.... I ordered a used barebones T5810 and a CPU and RAM for it... those cost about as much as replacing all of those parts would have in this thing. I can worry about finding out what's wrong with it when I don't actually need it and can afford to take it down for days of testing.

... and if that T5810 somehow manages to give me the same issues I am putting my head through a brick wall.