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Unusual overheating issue with GTX 680. Any advice appreciated.

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5 May 2011
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408
Hi, I recently noticed an unusual heating issue with my stock Gigabyte 680 2GB that I purchased at launch a couple of years back. It has never even been overclocked, but it's had plenty of use and has been rock solid, maxing almost all games at 1080p at 60FPS with no actual issues in games (no artifacts, etc) and is still as quiet as the day I first installed it.

When I first got it I would check temps a lot and it would generally idle at 45C, going into the low 70C's at high load. The other day I checked it again on a whim and it was up to 68C on idle, even only after my PC being switched on recently with GPU usage at 0%.

(I'm using both Aida 64 and Nvidia System Monitor to gauge temperatures.)

It's still playing games perfectly, and just to test the max temp I could get it to under normal use, even with those high idle temps was around 83C in BF3, so still well within operational use, but massively over what it should be.The weird thing is that I've noticed that when I very first turn my PC on, my idle temps are around 45C as they should be - but within half an hour or so they go up to around 68C even with just web browsing.

I suspected it could be a virus or even some kind of remote bitcoin farming using my 680 (if that's even possible?) I use MSE and Malwarebytes, both of which are updated and have had recent scans. I did have a security issue with a long dormant Apple ID account which I've now closed completely, but other than that no security issues of note.

I've opened my PC to check for dust, etc, and the card looks pretty much brand new, without any dust in the fans at all. I also haven't changed any fan settings at all and the fans are still operating just fine as I can tell.

I'm still under warranty but am pretty sure the card is fine, I'm almost certain a RMA wouldn't yield any faults. It's idling right now at 68C with 39% fan use at 1400 RPM, but according to Nvidia System Monitor the GPU use is at 0%, the warm air expelling from my rig suggests otherwise.

CPU idle temp is around 35C and I have decent ventilation in my rig, with 2 120mm fans in a push-pull set up venting out the back. At the 45C idle temp the air that vents is actually cool and I remember that being something that impressed me a lot when I first got it, and that I'd check frequently.

My hunch tells me the card itself is fine and that this is a software issue or even some kind of malicious problem as per my remote bitcoin mining theory.

Nvidia System Monitor reports the same temperature as AIDA 64 but still with 0% GPU use - it just doesn't seem that is plausible given the temps it's generating.

I don't know how long this has been going on, as even at 83C the card is barely audible, but clearly something is making it reach these higher than normal temps, and I'm thinking it's possibly something malicious.

Any help regarding this would be greatly appreciated.
 
I'd hazard a guess that your browser is doing some GPU acceleration. Are you watching video's or anything in your browsing sessions?
 
Hi Wolfe,

It sounds like the GPU thermal grease is no longer working and all dried up. I would take the cooler off carefully and make sure none of the fins have any dust blocking them. You would be surprised how easy it is to get a build up in them. clean the GPU and copper heat spreader, re-apply some decent grease (mx4 is what I am using) and pop it all back together.

It could pay to send Gigabyte a note saying you would be happy to do this if there is any labels on the screws, just to confirm they will allow this.
 
Thanks very much for the replies, they're greatly appreciated.

As per the suggestions:

I do frequently watch videos, etc, but am still getting the high temps even with just one forum browser open after fairly recently turning my PC on, so likely not that, but thanks for the suggestion just the same.


Secondly I hadn't considered the thermal grease, great suggestion, it certainly could be a plausible cause. I purchased the 680 from Overclockers so I'll call them tomorrow and ask their advice using this thread for reference.

I haven't applied grease on a card before, but have done so on a CPU so I'm sure I can get it done.

In the unlikely event that doesn't fix the problem, could malicious remote bitcoin mining be a possibility? Even with 0% GPU usage being reported?

Thanks again for the replies.
 
Thanks very much for the replies, they're greatly appreciated.

As per the suggestions:

I do frequently watch videos, etc, but am still getting the high temps even with just one forum browser open after fairly recently turning my PC on, so likely not that, but thanks for the suggestion just the same.


Secondly I hadn't considered the thermal grease, great suggestion, it certainly could be a plausible cause. I purchased the 680 from Overclockers so I'll call them tomorrow and ask their advice using this thread for reference.

I haven't applied grease on a card before, but have done so on a CPU so I'm sure I can get it done.

In the unlikely event that doesn't fix the problem, could malicious remote bitcoin mining be a possibility? Even with 0% GPU usage being reported?

Thanks again for the replies.

If the GPU is reporting 0% usage, then you don't have that bitcoin virus. The strange thing for me is your gaming temps. With your idle temps, I would assume the gaming temps would be crazy hot but not so, so maybe the fan isn't spinning as fast as it should but when it picks up speed, it free's itself... Pure guessing but a possible option. Is it a reference card or a Windforce?
 
It's a reference card and I agree it does seem unusual for the gaming temps to not go a lot higher, but I hadn't tested BF3 for that long to get the 83C reading.

Also there's been no gaming issues at all to suggest these high temps - I only even know at all as I thought I'd check the temps out after not doing so for ages.

The only place I'm getting the 0% usage data from is Nvidia System Monitor, but it has reported the same temps as Aida 64 has, so I trust it that far at least.

I'll try BF3 again for a bit and see if the temps go any higher.

Thanks again.
 
Just tested BF3 for a good while, it didn't go above 83C showing the correct GPU usage % too. It went back down to about 70C almost immediately after stopping playing, which it's currently idling at with 0% GPU usage.

Perhaps the thermal paste is still effective but only in a limited temperature range at 69C+? Has anyone else ever encountered a similar scenario?

Or maybe I do have some kind of virus? But I ran a Malwarebytes scan earlier today, so it'd have to be something it missed.

I have a spare 460 768mb that used to get around 45C idle and 70C at load so maybe I'll test that out before trying new thermal paste.
 
Sounds weird. Your gaming Max temps don't sound too out of the ordinary for a reference card but 65 degrees at idle and 0% GPU usage is too high. Even my old gtx 480 managed about 50-55 degrees at idle. The only explanation I can think of is what someone above already mentioned; the fan isn't spinning fast enough at idle but then manages to get at the correct rpm under load.
 
Yeah it is odd, also I just checked MSI Afterburner, it's also reporting around 69C idle with 0% GPU usage and this is a fair amount of time after playing BF3 and just browsing the web.

Even though the 83C is within operational use, I definitely don't remember it ever getting that high before, so at least it is consistent in increasing temps at both idle and load, if at varying rates of increase.

Going to test my old 460 tomorrow and see if it acts the same way.

If the 460 works fine then maybe I will RMA the 680, it seems a bit substandard to need replacement thermal paste after less than 2 years of use - if that does turn out to be the issue.

I'm not sure about the fan theory though, as it's showing around 1500 RPM at 69C with around 1900 RPM at 83C, which seems fairly consistent. This is also from multiple sources, Aida64, Nvidia System Monitor and now MSI afterburner.

I still have a hunch this could be some kind of virus.
 
Download Hitman Pro 3.7 (30 day trial) if any virus/malware is on your system that should find it.
 
Thanks for the replies, my room is no more than 20C, and I checked my card temps immediately after turning my PC on after it being off all night and the the initial card temp was around 28C before rapidly rising to 69C again at idle.

I installed and ran Hitman Pro which did find a few a few cookies that it deleted but other than that, nothing.

However, just before I was about to try my old 460, I think I've stumbled upon the most unlikely of culprits.

Google Chrome.

I noticed that opening even just one window of Chrome on my homepage which is google.com, it would rapidly cause the the temp increase. Thinking it couldn't possibly be responsible, I closed Chrome entirely, and fired up the much maligned Internet Explorer, which I'm typing this message on.

To my amazement, my idle temps began to drop, and after about 15 minutes my GPU idle temps have returned to 45C - as it should be.

Opening just one Google Chrome window would make the temps shoot up again - WTF?

When I game I always have at least a couple of open Chrome browsers in the background, so that would explain the increased gaming temps too.

So I apologise Smudge, it seems you were right on the money, but I still don't understand how Google Chrome could do this - first forced use of Google+ on Youtube, then this, are Google really turning into the evil empire?

I have researched and there are ways to disable GPU use with Chrome, but frankly I don't think I ever want to use it ever again and I'm going to go back to Firefox.

Going to try some gaming with some Internet Explorer tabs open and will check the temps accordingly.

As someone who has been a long time Google Chrome advocate, I simply can't believe it's what was responsible, but all evidence points that it is the sole reason for those high idle temps.

Thanks for all your help, and screw you Google Chrome.


To anyone else who uses Google Chrome and hasn't checked their temps in a while, I urge you to do so, because it could be shortening the life of your graphics cards.

.
 
I doubt it will be Google Chrome, go into settings and check what extensions you have installed it will be something dodgy in there.

Told you to run Malwarebytes
 
Thanks for the replies but I had already run Malwarebytes just before starting the topic and I mentioned so in my opening post - that's why I didn't acknowledge your sugggestion.

Anyway, both Internet Explorer and Firefox are giving normal temps at idle, I just played BF3 and max temp was 73C with the idle temp already returning to 45C.

I used Chrome since it first came out, and swore by it too till this happened, but whatever the hell has attached to it is not being picked up by both Malwarebytes and Hitman Pro, I can't trust it anymore.

Maybe someday I'll check it out to look for any dodgy extensions, but for now it's back to Firefox for me.
 
Maybe confusing a you little when people suggest something has been attached to google chrome, check the chrome extensions under google chrome's settings page, it might be one of them that is causing this issue.
 
Thanks for the replies but I had already run Malwarebytes just before starting the topic and I mentioned so in my opening post - that's why I didn't acknowledge your sugggestion.

Anyway, both Internet Explorer and Firefox are giving normal temps at idle, I just played BF3 and max temp was 73C with the idle temp already returning to 45C.

I used Chrome since it first came out, and swore by it too till this happened, but whatever the hell has attached to it is not being picked up by both Malwarebytes and Hitman Pro, I can't trust it anymore.

Maybe someday I'll check it out to look for any dodgy extensions, but for now it's back to Firefox for me.

What is weird about this is you say that you still got the high idle temps when GPU usage was showing as 0% before. If it was something in Chrome that was causing your temps to rise, your gpu usage will not have been 0%.

The only logical explanation is that Chrome somehow interferes with your temp monitoring software but I am not sure how that is possible either.
 
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