GTX660 crashes my system after 1 hour of load

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michiel6661

Honorable
Jul 3, 2013
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So when I'm playing a high demanding game, for example playing ARK or GTA V. My GPU crashes my system after about 1-2 hours of full load. I have been looking at my temps and in idle my GPU temps are about 45-55° and at load about 75°. Now this was pretty weird, because they used to be around 30° idle and 60° load. So I upgraded to a case with better airflow and I thought the system should be cooler, because my older one was pretty damn bad. But no it kept the same temps.

What could be the issue here? Is the thermal paste wasted or is my card slowly dieing? I only bought it 2 years ago and was only planning a new one next year...

Other specs:
- Windows 10 Pro
- Z97P-D3 GIGABYTE motherboard
- 8GB DDR3 Kingston HyperX RAM
- i5 4670k, not overclocked, cooled with cm212 evo

 
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MarkW

MarkW

Judicious
Dec 7, 2009
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While we are waiting for that info, I will say this. Companies are shipping video cards with the fans set to run at very slow speeds because they get bad reviews if the reviewers can hear the fans, and some people will return any card they can hear the fans on. So what is wrong with that? The cards are not being properly cooled.

Download MSI Afterburner, and tell it to monitor your temps, and to crank up the fans when the heat starts climbing. I have mine set to the following fan curve:

40% at 45c
50% at 60c
65% at 70c
70% at 75c
80% at 80c
100% at 85c.

That should help keep the GPU cool enough to keep it from overheating.
 
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MarkW

MarkW

Judicious
Dec 7, 2009
6,308
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32,960
Well, that is a Tier 3 power supply. Which means middle of the pack. Not great, and as long as you do not load it up, not real bad. We recommend that people only buy power supplies that are Tier 1 or 2 on the Power Supply List. But you have that one, so lets see if turning those fans up like I listed in my previous post does the trick or not.

It is rare that you need to change the thermal paste on a GPU. I have been running GPU's since the 1980's, and have never done it.
 
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