GPU Hitting 100 and Kicking On Fans

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EKuan

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Jan 2, 2013
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Hey All,

I have a GTX 660 for a little over a couple years now and it has worked without any hiccups; however, lately while gaming, I have noticed the fans blasting on and off repeatedly. I ran a stress test and when my GPU hits 100 degrees (which can't be good) the fans kick on and knock the temp back to 86, but once it reaches 100, it cycles the process. Any ideas on how to control this? Thanks.
 
Solution
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What you can do is set the fan curve so it goes to 100% at a lower temperature such as 70C

I also suggest setting up the temperature hysteresis to minimize fan cycling

It will probably keep it from frying but it will be annyoing as heck because the fans will be cycling between off and full...
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Thanks for the help. I am using MSI Afterburner and I'm currently using Kombust to run stress tests. I tried to set-up a manual curve, but I am still getting the same behavior. While the test runs, I watch the temp. steadily increase until it reaches around 88 degrees the fan will kick on at what looks like 90% around 4000 RPMs.

Is there a way to post my GPU-Z read-out here?

I have an i5-3570k that I OCd to 4.5. I didn't have this problem until after the OC, so I obviously have something set wrong. But my processor temps are okay; it is just the GPU you that is getting really hot and kicking the fan up to nearly max continuously.
 
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At 85 degrees fan speed is at 72%; however it also states 0 RPM. I noticed that the fan speed percentage increased as the temperature increased, but the RPM stays at 0. Then when it reaches 90-95 degrees, I hear the fan kick on, and the RPM starts spiking to over 4000.

So, I'm afraid this is sounding like what smeezekitty is telling me. Has my fan controller died? Or am I missing a setting somewhere? Thanks again for the help.
 
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Also, I forgot to mention, that I did try the manual option. I set it at 70% and GPU-z displayed my fans at 70%, but once again it read 0 RPM. I can't hear the fans turn any faster neither, I can only hear it when it blasts on once temperatures get extreme. Is my card a gonner?
 
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Yes, I pressed apply. My fans percentage instantly increased to 70%, but the RPM remained at 0. And I heard no increase in fan speed. It was set running at 30%-35%, then I increased it to 70%, but no change in RPMs, and I heard nothing.
 
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Ouch! All my games play fine - they never crash. I just have to deal with hearing the fan kick-up repeatedly. So my fans are only working at max - no other possibilities, other than get a new card?

Can I continue to game, or should I stop? I can deal with the sound of the fans cranking up, and if my GPU is on it's last leg, might as well burn it up. However, I don't want it to mess up my CPU, or any other parts by roasting the computer.
 
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What you can do is set the fan curve so it goes to 100% at a lower temperature such as 70C

I also suggest setting up the temperature hysteresis to minimize fan cycling

It will probably keep it from frying but it will be annyoing as heck because the fans will be cycling between off and full speed
 
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Solution
What if you unplugged the fan from the card and connect it to some other fan header on the mobo that has pwm or voltage based fan speed control. (You'll probably need some extension cables though.) Then you could use something like Speedfan to set it up so that the fan reacts to the gpu temperature...

edit or hook it up to a manual fan controller, just remember turn it up when gaming :)
 
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smeezekitty - I set as you suggested and I think that is my best option. The fan will kick on every few minutes, but at least I can still use it until I decide on purchasing a 980, because I don't feel like spending the cash on anything else. Or, I will just play with headphones!

Kari - this sounds good too; however, I will need to get some fan splitters and see if it is worth the hassle. I may just deal with the noise and set the fan curve for 100% at 70 degrees as mentioned above. But now that I know things are a bit faulty I am considering how I can go about getting a new card...

Great suggestions - I really appreciate the advice.
 
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Last question regarding temperature hysteresis - not familiar with this at all. How do I go about setting it up and what does it actually do in regards to my problem? Thanks again.
 
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MSI afterburner has a temperature hysteresis option. I would try setting it to 3-5*C
which differentiates the temperature at which the fan turns on versus when it turns off.

That should make the fan cycle a little less often
 
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Okay, I will test it out. Everything is working fine now. I get the same fan sounds as before, but now I am not exceeding 75 degrees, so your information was very helpful. I appreciate it!
 
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