All games start to running terribly after a couple of hours

MrHGB · Sep 12, 2015

I will be able to play any game at 60fps without dips, stuttering or hitching, basically perfectly but then after a couple of hours every game will run like complete ass, they will hitch constantly, constantly drop frames etc, this will happen in a blink of an eye. I have done a clean format so I fear it's hardware related. I originally thought this was a Witcher III issue but once the issue starts, it affects all games. It's as if the PC builds and builds to the point of breaking and then just goes to shit. My temps are under 70c for both CPU and GPU so I doubt it's heat throttling. I have a pit in my stomach that something is dying, I just don't know what yet....

i5 3570k @ 4.3GHz, GTX 970, 8GB DDR3, SSD, Windows 10

CTurbo · Sep 12, 2015

What psu are you using? Have you tried turning back your overclock a little? Your temps could be staying in check BECAUSE of throttling.

MrHGB · Sep 12, 2015

I'm using a Corsair 750w V2 Enthusiast. I did try resetting my bios entirely at one point, but I had issues in Dying Light still, although I can try that again and test more thoroughly.

MrHGB · Sep 12, 2015

I've made a video showing the issue. Note that when it's not happening, I never drop a single frame and it's as smooth as butter, but when the PC goes into rubbish mode this is what I deal with: https://www.youtube.com/watch?v=3eo7sEukl6E

William Henrickson · Sep 12, 2015

Perhaps a PSU component gets too hot and starts giving marginal power. Easy PSU swap test for that.

You could use HWmonitor or such to view motherboard part temps, there could be a loose VRM heatsink, etc.

MrHGB · Sep 12, 2015

HWM while the problem is active: https://i.imgur.com/NmIyFWS.jpg

And I don't have another PSU to test, and non one I could borrow one from, it would be a complete gamble buying a new one and I'm not a rich man lol, if I knew it was that I could get one though.

William Henrickson · Sep 12, 2015

Here's a test I would do to narrow it down. Run your CPU at stock setting in the games and see if it hits that mode.

MrHGB · Sep 12, 2015

Yeah I will try that later, but I have just run Intel Burn Test, Furmark and 3DMark with absolutely no issues at all, I really don't understand why stress tests aren't phasing the PC at all.

MrHGB · Sep 12, 2015

I'd like to note I have tried with default settings, no overclock etc and it's the same, even CS GO is hitching like crazy after being left alone for less than 30 minutes.

William Henrickson · Sep 12, 2015

Pull up GPU-Z and it will start recording all the metrics you could want for the GPU.
It may itself have an issue, or maybe reacting to bad 12v power.

Post a screenshot of the gpuz window stretched out showing before the game, till its doing the thing, then after you close the game. This will show you a lot of insight.

MrHGB · Sep 12, 2015

I've discovered I'm able to bring on the issue by running the game in window mode and running furmark at the same time for a few seconds, once I close Furmark the issue is present in the game and stays that way.

During the issue: https://i.imgur.com/Ds2unos.gif

After: https://i.imgur.com/uFMAvON.gif

A better during, after forcing the issue with Furmark: https://i.imgur.com/EO1SzU8.jpg

William Henrickson · Sep 12, 2015

I see the voltage is higher than 1.2v, are you overclocking at all?

I remember my bad overclock being rejected and a low speed forced, until a reboot.

Sounds familiar actually haha.

MrHGB · Sep 12, 2015

It's the MSI GTX 970 4G so it's overclocked by default, but I haven't pushed it further.

William Henrickson · Sep 12, 2015

There is a few menu/loads in those graphs but someone more trained spot anything weird in his perfcap reason/clock speed graphs?

MrHGB · Sep 12, 2015

Also, I just checked and the default voltage is supposed to be 1.206v for the MSI 4G, why would mine be higher and could that be it?

William Henrickson · Sep 12, 2015

Yours is hitting 1.225v! Are you sure you don't have the Afterburner running with a setting on????

MrHGB · Sep 12, 2015

Afterburner shows +0, I think HardOP is reporting the wrong stock voltage, I can't seem to find a clear answer as to what it should be. Interestingly, it only goes this high in the Witcher, not while using Furmark.

William Henrickson · Sep 12, 2015

Screenshot 3 shows 1.225v from GPU-Z, that's straight from the nVidia driver. I think Afterburner or some other app's presence may be the issue.

MrHGB · Sep 12, 2015

1.225 is the boost voltage apparently, so it's fine. I'm now formatting and going back to 8.1 to rule out the OS, I've also contracted the shop I bought the GPU from, it's still in warranty by a few months so if their RMA policy is a good one I'll exchange it just to rule that out as well.

William Henrickson · Sep 12, 2015

Sounds good. It may just not be quite up to the snuff of being run that high, or dying.

MrHGB · Sep 13, 2015

Same on Windows 8.1, so I'm going to format for the 3rd time in as many days and go back to 10 as I prefer it. So what, it has to be hardware at this point? GPU or PSU I'm guessing.

William Henrickson · Sep 13, 2015

MrHGB :

You are spending a lot of money and have the option to swap it. I would run and do it now.

MrHGB · Sep 13, 2015

I've asked to RMA the GPU, and I've ordered an LCD PSU tester, not much else I can do for now.

All games start to running terribly after a couple of hours

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