My computer keeps crashing after a few minutes of gaming

Aug 7, 2018
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So here's the lowdown of it. I've made three posts now on this forum to ask for help, and twice now it's been trolled, so I'm hoping a third try will help things. My computer is freezing to the point of requiring a hard crash in order to reboot. My computer isn't running hot, according to Speccy, and the internal fans are running at a steady middleground. It always happens when gaming, without fail. It's never happened when I'm watching youtube or something of the like. Most of the computer parts are new, because I had a catastrophic failure in my system which caused my mobo/CPU to fry. I got a new mobo, new CPU, new RAM, and new PSU. Did two fresh installations of Windows. This sort of freezing never happened before the new parts were installed. I ran a diagnostic on the RAM, I checked the temps running up to the crash, I asked on a separate forum for help and someone searched through HWInfo64 logs and they said that the voltages were fine, etc. I'm not quite sure what to do anymore. The only thing I HAVEN'T replaced in here is my video card. Any help would be really appreciated.

Specs:
CPU: Intel i7-8700k
Mobo: MSI Z370 Gaming PLUS
RAM: G.Skill Fortis (2x8GB)
GPU: STRIX GTX 970
PSU: EVGA SuperNOVA 1200W Platinum
SSD x1 HDDx2, used for Windows only on the SSD, and then games/storage on the other two respectively.
 
Solution
Are these online games? If they are, try doing 'reset' or 'default' settings. I know Steam likes to remember your game settings as a convenience to the user but sometimes that convenience remembers a crash. 'Reset' and 'Default' erases it. Just make sure to write down your game settings because they will be gone, too.
Hope this helps.

The prime mediocre

Distinguished
Have you updated the video card drivers? Do you know someone willing to let you borrow a card you can swap in to test?

This is unrelated, but are you within the return window for that power supply? That output is buck-wild. Even if you wanted to overclock the i7 and run two 250W GPUs, the most you'd need is an 800W Platinum-certified unit. If you wanted to, you could step down to a lower-wattage model and spend the hundred bucks on something else.
 
Aug 7, 2018
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I originally had a 1kw, but I had returned it as it was under warranty at the time of the incident. They bumped me up to 1200 free of charge. I know it's way supermassive compared to what I need, but the previous power supply I had for about two years. It's not out of service warranty range, as EVGA has a 10 year warranty for servicing, but I doubt I could get a refund. As for borrowing someone's card, unfortunately I don't have anyone who'd be willing to let me pop theirs into my case. Considering it only happens in games, and the GPU is the only thing I haven't replaced yet, it leads me to believe that might be the culprit. I'm trying to find a way to at least keep my computer from freezing constantly, even if I have to underclock my GPU to do it if it'll help, until I can get a new one.
 
Aug 7, 2018
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It's completely stock. I haven't messed with any of the overclocking in my computer yet, I don't have the cooling required for it. Not quite brave enough to grab an AIO just yet.
 

Rexer

Distinguished
Are these online games? If they are, try doing 'reset' or 'default' settings. I know Steam likes to remember your game settings as a convenience to the user but sometimes that convenience remembers a crash. 'Reset' and 'Default' erases it. Just make sure to write down your game settings because they will be gone, too.
Hope this helps.
 
Solution