GPU Fan defaulting to 30% sometimes, which can cause gpu to overheat quite badly

summergoose · Jul 16, 2012

GPU Fan defaulting to 30% sometimes, which can cause gpu to overheat quite badly, recently I was in the middle of a game, and my fan defaulted back to 30% and so my gpu reached 99 degrees = NOT ACCEPTABLE.
Btw I'm using Afterburner to watch my fan, It just seems sometimes my nvidia fan defaults and sticks to 30% for no reason. I have noticed that it usually defaults when the card gets to 68 ish degrees.

Any help would be appreciated! Thanks!

I.M.O.G. · Jul 16, 2012

Welcome to the forums.

Have you tried setting the fan speed manually with afterburner? You could set up a profile for gaming, so the clock-speeds and fan are set manually to full speed when gaming.

Automata · Jul 16, 2012

What video card do you have? I know the 9800GTX had a bug in the firmware that would randomly drop to the stock fan speed (30%).

summergoose · Jul 16, 2012

my card is a GeForce 8600 GT, I was initially using rivatuner to pump the fan to 100% but it would default back to 30% when it would hit the 68 degree mark. after burner is doing a better job because i have the fan constantly alternating the speed, so the occurrence is less prominent. But it still happens if it goes below 68 degrees.

Automata · Jul 16, 2012

I see at least two other threads with your card that say the exact same thing:

http://www.tomshardware.com/forum/280124-33-8600gt-problem-speed-unresponsive
http://www.evga.com/forumsarchive/tm.asp?m=100500551&mpage=1&key=&#100500551

In the second link, the descriptions matches what you are reporting and what my 9800GTX did. I think this is a bug in the firmware of the card that is resetting the value.

summergoose · Jul 16, 2012

so, there's no way to over ride it then?

Automata · Jul 16, 2012

On the 9800, there was no fix. The firmware would have to be fixed by the manufacturer. Most didn't care about the problem.

summergoose · Jul 16, 2012

so you're saying I've gotta live with it? XD

Automata · Jul 16, 2012

There are a few ways to fix it, but it requires modifying the card.

1) Get an aftermarket cooler. Not worth it on that card.
2) Hard wire the fan to 100% or hook it up to a fan controller.

summergoose · Jul 16, 2012

On afterburner i found a setting that said force fan update or something. Hopefully that will make it stay at 100%

I.M.O.G. · Jul 16, 2012

Cool, keep us posted how that works out.

summergoose · Jul 17, 2012

seems to have worked, it still defaults to 30% but then shoots back up to where it's meant to be =]

GPU Fan defaulting to 30% sometimes, which can cause gpu to overheat quite badly

summergoose

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Automata

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summergoose

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Automata

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Automata

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summergoose

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summergoose

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