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Sapphire Radeon 7790 2GB OC fan issue

Last response: in Systems
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May 25, 2014 1:07:51 PM

Hello ladies and gentlemen,

I have a weird issue with the mentioned card. The fan does not seem to spin at low RPM (and I mean at all). It then automatically turns it on full blast if and when it hits about 84C (I imagine it's a safety trigger), but off again as soon as it cools down a bit.

Also, manually setting speed does nothing unless I set it to at least 80% (and even then, lowering to less than 70% makes it stop).

The card is new (less than 3 months since installation) and I've had this issue with the 2 latest versions of ATI drivers and the latest beta version in Windows 7, 8 and Linux Fedora 20 (KDE).

I honestly do not know if it did this from the beginning or not.

And yes, auto-fan-speed with things like trixx and afterburn do the exact same thing.

I really want to know if I'm doing something wrong or if I need to send the card in..

Other hardware related content:
Motherboard MSI Z87-G43
CPU: Intel i5 4670K
RAM: Corsair Vengeance 1866
PSU: Seasonic S12II-620 Bronze
....


PS: On the upside.. with the fan turned off it idles at about 55C, which is nice cooling i guess..


PPS: I only realised I posted this in the Systems forum, I apologize

Best solution

May 25, 2014 1:14:07 PM

Sounds like the fan is broken. time to RMA.

Wei
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