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Fan Stops Spinning on Diamond 7970

post #1 of 12
Thread Starter 
Hey guys, I have a small issue here. I have a Diamond 7970 that I have had for about a month. I bought it used from eBay. I got a second 7970 (Sapphire brand) today and installed that today. Well ever since I installed the Sapphire 7970, the Diamond 7970's fan has decided to stop spinning about 3 minutes after turning the computer on and being logged in. Both cards are recognized. It's not that big of a deal since I plan to put waterblocks on them, it's just that that won't be happening for about another month.

When it isn't spinning, it is making a clicking sound (the fan). I did take the shroud off and cleaned it but that didn't help. The primary card is the Sapphire and second is the Diamond. Any ideas?

Jeffinslaw

*EDIT* It isn't displaying temperatures in MSI Afterburner.

And now the fan is back on... Spoke to soon, came on for a few seconds, now it's back off.
Edited by Jeffinslaw - 12/4/12 at 6:27pm
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post #2 of 12
Take out the Sapphire and see if the fan on the Diamond starts again. If not the "Fan Is Dead Jim".
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post #3 of 12
Thread Starter 
Quote:
Originally Posted by dixson01974 View Post

Take out the Sapphire and see if the fan on the Diamond starts again. If not the "Fan Is Dead Jim".

I can do that.

Jeffinslaw
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post #4 of 12
Thread Starter 
Well the Diamond 7970 is the only card plugged in and the fan has been spinning for a solid 10 minutes.

Jeffinslaw
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post #5 of 12
I am not 100% sure what your problem is, but are you aware that when you have 2 cards in crossfire and they are basically idling (sitting at the desktop, for example), that the 2nd card does not turn on? Your system will recognize it, but it basically "hybernates" so the fan turns off, the card doesnt show fan speed or temps in CCC, and it doesnt work until its required? When you boot up, it will spin, and when you game, it comes to life, but its a power saving feature that it does this. Maybe the clicking is coming from something else?
post #6 of 12
Try putting the Diamond primary and Sapphire second.
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by yanks8981 View Post

I am not 100% sure what your problem is, but are you aware that when you have 2 cards in crossfire and they are basically idling (sitting at the desktop, for example), that the 2nd card does not turn on? Your system will recognize it, but it basically "hybernates" so the fan turns off, the card doesnt show fan speed or temps in CCC, and it doesnt work until its required? When you boot up, it will spin, and when you game, it comes to life, but its a power saving feature that it does this. Maybe the clicking is coming from something else?

I didn't even think of that! Hmmm that helps a lot actually! Thanks! And it is possible that the clicking comes from something else, it sounded like it was coming from the fan but the hard drives are somewhat close.

Thanks! Mods: feel free to delete this thread.

Jeffinslaw
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post #8 of 12
Quote:
Originally Posted by yanks8981 View Post

I am not 100% sure what your problem is, but are you aware that when you have 2 cards in crossfire and they are basically idling (sitting at the desktop, for example), that the 2nd card does not turn on? Your system will recognize it, but it basically "hybernates" so the fan turns off, the card doesnt show fan speed or temps in CCC, and it doesnt work until its required? When you boot up, it will spin, and when you game, it comes to life, but its a power saving feature that it does this. Maybe the clicking is coming from something else?
I have Cf many of AMD/ATI cards and I never seen that. The best way to test it is to run Heaven bench test or another video bench/stress program.
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post #9 of 12
Thread Starter 
Quote:
Originally Posted by dixson01974 View Post

I have Cf many of AMD/ATI cards and I never seen that. The best way to test it is to run Heaven bench test or another video bench/stress program.

I was bitcoin mining earlier and both cards were functioning flawlessly so idk what the problem is...

Jeffinslaw
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post #10 of 12
Isn't that one of the new function for 7K series cards? For the non-primary cards, they will turn off completely when in idle until they are needed.
    
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