Case fans stay on after shutdown

gorillacooch · Dec 18, 2013

I know this has been discussed many times but I have not found an answer. I have tried the CMOS battery and hold the power button for 15-20 seconds and it doesn't solve the problem. I just built this system in October and the problem persists even after installing a new bios. I have a Asrock Z87 Extreme 9/AC, Intel 4770K, SoundBlaster ZxR, EVGA GTX 570's on SLI, Asus RAIDR(boot), 2 intel SSD, 2 1.5 TB HDDs, Sony BluRay writer, 2 water cooling loops with 2 D5 Swiftech pumps, 2 triple 120MM rads, 16GB Corsair RAM, and Corsair AX1200. It did not have this problem when I had my Asus P8P67 EVO.

Ceee9 · Dec 18, 2013

off the plug?

RoG Blackfox · Dec 18, 2013

It may still be cooling down the computer even after it's been turned off. How hot does your computer usually run, and it may also be your water cooling system still running.

gorillacooch · Dec 18, 2013

RoG Blackfox :

No I've checked my temperatures in AIDA64 and I'm showing 42-46 Degrees full load on my CPU and 55 degrees on the hotter video card (second one in the loop) PCH is in the mid 50's and everything else is very cool running. Also after powering down the computer the fans ran all night and day so I know its not cooling down. Also the water cooling system is not still running both pumps shut off. If they didn't my reservoirs would be showing water turbulence.

Some of the wires on the molex connectors for my fans are loose and I have to keep pushing them back in to the molex connector everytime I disconnect them.

gorillacooch · Dec 18, 2013

Ceee9 :

What are you referring to? I assume you mean did I remove the plug from the wall when i removed the CMOS battery then yes I did but otherwise what do you mean?

Ceee9 · Dec 19, 2013

turn off the plug, that surely will off the fan, clearing cmos wont do any good

gorillacooch · Dec 21, 2013

Ceee9 :

Is english your second language? Don't you mean disconnect the plug? But then I would have to do that every time I turned on my computer.

gorillacooch · Dec 21, 2013

I read on another thread it could be a grounding problem. But how do you fix a grounding problem in the case if its made of glass.

gorillacooch · Dec 23, 2013

Ceee9 :

I figured out the problem. It was my power supply. I bought a new one and installed it and it worked. Did not expect corsair ax1200 to do this.

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Case fans stay on after shutdown

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