Hyperfish Posted February 15, 2015 Share Posted February 15, 2015 So many questions.... bare with me...So my GPU fan stopped working properly. It spins a bit at power-on; goes flat out when flashing bios; but never to spin again in Windows.This happened after trying to get a 780M to work in my R4 (I suspect that the card has issues).I had flashed the system bios from A13 back to A11, then A11 unlocked.Maybe it's coincidence that the GPU fan stopped working properly at around this point.I've read that many people have this problem.Can we really know what causes this? If it's fan tables getting screwed up, you would think re-flashing the bios would correct that? But it doesn't.Do we know where the EC sensors / controllers are located? Is it a separate chip on the motherboard? Part of an integrated circuit?If we can't find this information, is HWINFO the only workable solution? (besides buying another motherboard for HUGE $$ that could develop the same problem at any time)Peoples... your wisdom please. Quote Link to comment Share on other sites More sharing options...
toto29620 Posted February 15, 2015 Share Posted February 15, 2015 So many questions.... bare with me...So my GPU fan stopped working properly. It spins a bit at power-on; goes flat out when flashing bios; but never to spin again in Windows.This happened after trying to get a 780M to work in my R4 (I suspect that the card has issues).I had flashed the system bios from A13 back to A11, then A11 unlocked.Maybe it's coincidence that the GPU fan stopped working properly at around this point.I've read that many people have this problem.Can we really know what causes this? If it's fan tables getting screwed up, you would think re-flashing the bios would correct that? But it doesn't.Do we know where the EC sensors / controllers are located? Is it a separate chip on the motherboard? Part of an integrated circuit?If we can't find this information, is HWINFO the only workable solution? (besides buying another motherboard for HUGE $$ that could develop the same problem at any time)Peoples... your wisdom please.You can try getting out the rpm wire and pwm wire ( the two on the midle ) , the fan will get contiuous 5V and should run at full speed wih no regulation. Use a little flat srewdriver to pull the pin out. Quote Link to comment Share on other sites More sharing options...
toto29620 Posted February 19, 2015 Share Posted February 19, 2015 So ... did it work ? Quote Link to comment Share on other sites More sharing options...
Hyperfish Posted March 3, 2015 Author Share Posted March 3, 2015 I'm gonna try one of these purchased on ebay... "Smart Speed Controller For Laptop / Notebook DC 5V PWM Cooling Fan 4-Pin" Quote Link to comment Share on other sites More sharing options...
[email protected] Posted May 25, 2015 Share Posted May 25, 2015 Something similar happened to me.Fan started to work at max speed without any reason someday.I did not update BIOS or any big change on OS or app installed.My solution was installing speedfan to control rpm. So far that fixed my issue Quote Link to comment Share on other sites More sharing options...
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