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R9 290 Liquid cooled potential problems

Tags:
  • GPUs
  • Cooling
  • Graphics
September 25, 2014 9:54:10 AM

So I have had an open loop cooling system now for about 6 months, with no problems I could OC my GPU and still barely ever break the 70C mark. Lately however I have been having some issues with the heat on it with it hitting the 90C mark my frames haven't suffered, but the other day my PC shut down while playing a game which I play at max quite regularly(crisis 3). The temp max's out at around 95C.

I flushed the system and tested the pump to make sure that it was working properly and noticed nothing out of the ordinary and it all seemed to be working fine. And the temperature normalizes pretty quickly after this happens, if I close out of the program it drops back into the 50C range fairly quickly, matter of maybe 3-5 seconds. So could anyone maybe help me troubleshoot this issue that I'm having, like I said this is a fairly recent problem of maybe 2-3 weeks old and I have run out of ideas as to what may be going wrong.

Everything is on the same loop, and I have my CPU overclocked from 3.5 to around 4.5 and am not having any issues with its temps at all. For reference as well it goes from pump/reservoir-->CPU-->GPU-->360mm Rad-->back to start.

Right now the best idea that I have been able to come up with is that the thermal sensor on my GPU may be faulty, but that's really the only thing I can come up with.

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