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Solved High GPU stress causing black screen crash

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#21
phillpower2 said:
Not it I'm afraid, you are looking for something that tells you at what temperature the MB will shut down to protect the CPU from frying, check under the Advanced tab, this check is something just to tick on the check list and restoring the MBs default settings would make sure that the CPU will shut down at a safe temperature.
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I'll keep digging around a little bit in the BIOS. This was from the Advanced tab, but there are a ton of settings and I'm not very familiar with them in general.

phillpower2 said:
The cause of the black screen could still be either the GPU or the PSU so you are at the stage now were you need to either get the PC tested by a local tech using their PSU and your RTX 3070.
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Just so I'm clear, IF the PSU is the problem, you're saying it would be because it was defective or something, not because an 850 Watt 80+ Gold isn't providing enough power for this system, correct? I used a power supply calculator and got these results, and I even bumped up the recommendations just to be safe, so I assume it's getting enough power -- in theory.
 
#22
The brand and spec of PSU are not in question but there is always going to be one that is defective so we can`t rule it out, the GPU is the most likely of the two though.

The CPUs thermal shutdown trigger is of no consequence now + you have also 100% ruled out a software issue for yourself now being that you would not take my word for it ;)
 
#23
phillpower2 said:
The brand and spec of PSU are not in question but there is always going to be one that is defective so we can`t rule it out, the GPU is the most likely of the two though.
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Well time will tell now because Zotac accepted my return merchandise authorization request, so hopefully in a couple of weeks they'll either send me back a brand new RTX 3070 or tell me it was totally fine all along. Also, I swapped out my old Seasonic 750 watt gold PSU into the current system, The same shutdown problem was happening. It's slightly less powerful than the 850 watt but still should have been enough. So fingers crossed that Zotac rectify things. 🤞

phillpower2 said:
The CPUs thermal shutdown trigger is of no consequence now + you have also 100% ruled out a software issue for yourself now being that you would not take my word for it ;)
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Wouldn't take your word for it? Huh?

Anyway, I'll keep you posted. Not sure if you want to keep this thread open until then, but I'll let you know how everything turns out! :)
 
#24
Good news on the GPU at least (y)

The techs will most likely stress test your card, remove the fans, clean off the thermal compound, apply a fresh amount, put new fans on, test and if all ok send you the same card back.

RufusInPhilly said:
Wouldn't take your word for it? Huh?
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Sorry, a bit of mischief making on my behalf but you did take a bit of convincing that the behaviour would not be caused by software.

As an asides;

RufusInPhilly said:
I swapped out my old Seasonic 750 watt gold PSU
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What a coincidence, I came across my first ever bad Seasonic PSU the other day, Seasonic not only replaced the PSU but also sent a 650W replacement for the original 550W PSU and took two years off the 650W PSUs ten year warranty giving the user eight years left, not bad when the original PSU only had a five year warranty and was two years old.

We can`t leave a thread hanging for weeks so will give it a couple of days in case you need to add anything further, if not we will close it and you can send one of us a PM when you are ready and the thread can be reopened.

Good luck and thanks for keeping us up to date (y)
 
#25
Thanks so much for all your wonderful help! I really appreciate all the time you've given this issue. No problem about need to close the thread, of course. I'll write/post again when I get a response from Zotac. The officially received the GPU a few days ago, so not it's up to them, and hopefully it won't be long. Thanks again!
 
#27
I just heard back from Zotac that the GPU failed their tests, so they're sending me a replacement. It's a bummer that it was defective and I had to go through this, but I'm so relieved that I now know what the problem is and don't have to keep trying to solve the mystery anymore.

Anyhow, I guess you can go ahead and mark this thread as officially "solved." And thank you again and again, phillpower2, for all your awesome help! :) You've been awesome!
 
#28
While not ideal at least the issue is now resolved and while the GPU is covered by warranty which is an added bonus due to the scarcity and expense of GPUs still.

Fair play to Zotac as well (y)

You are welcome btw and thank you for the kind words :)
 
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