tidyboyd Posted February 1, 2013 Share Posted February 1, 2013 Bought the H100 6 months ago and its been fine with the stock fans, loud but fine. Changed to 2 Noctua NF-F12 PWM 1500RPM 2 days ago and only one fan works. Things I have done: -Reset the pump firmware as in the sticked post here: http://forum.corsair.com/v3/showthread.php?t=99361 thought it solved the problem as they both did seem to work just fine for one boot up, ever since turning off the comp and then back on again only one fan works all the time. -Swapped the fan connections around, this now stops the opposite fan on the other side. -Clicked the button to change the tempo of the fans, still only one moves -Ran Prime95 to stress the CPU out and increase the temps to see if that was the problem, still only one works. -Tried re-seating the fan connection numerous times Both fans are fine and work happily when connections are swapped over, for some reason just not in tandem. Also just to note I am not able to access my BIOS just in case any solutions involve this, I'm waiting for Asus to get back to me with a resolution on that one, motherboard is absolutely fine though and has been running both H100 + stock fans fine for weeks Any helps greatly appreciated Edit: I should also note that when resetting the H100 after the 5 second press down (the first button press) the second fan spins quickly like its on but loses power immediately and comes to a stop Link to comment Share on other sites More sharing options...
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