Need help for cpu fan, which dosent spin.

Jonathan Skree · Apr 20, 2015

Hey guys, i just recently bought a new processor. i5 4690k and i used the fan that came whit it. obi i know the fan isn't good, but its all i have, for now. put the problem here is, that it docent spin when i start my pc. I'm new to this things whit pc, and stuff so id really like to know why it dosent spin, and how i can make it spin.

thanks for ur time anyways.

greedings - Jonathan!

Mug3r · Apr 20, 2015

It may be that the CPU isnt under load so the fan isnt kicking in or; you have a faulty cooler or its not plugged in properly.

Jonathan Skree · Apr 20, 2015

Mug3r :

under load? what do u mean by that? and thank u so much for the answer!

Mug3r · Apr 20, 2015

Jonathan Skree :

Basically that the CPU is being put to heavy use.

Jonathan Skree · Apr 20, 2015

Mug3r :

Jonathan Skree :

Basically that the CPU is being put to heavy use.

so how do i fix this?

ShakedG · Apr 20, 2015

Jonathan Skree :

1. You don't fix it, it just means that as long as you don't use your CPU too much the fan won't spin, but I highly doubt that's it.
2. Make sure you actually plugged the fan into your motherboard. If you are not sure then maybe take a picture of your CPU area. Look for any cables going from the fan, and plug that cable into a fan header labeled "CPU".
3. It is very dangerous to run without a CPU fan, especially with the stock heat fins. So make sure you don't do anything before you get the fan working otherwise you'll fry the CPU.

jsmithepa · Apr 20, 2015

There is an old joke: "Is It Plugged In?"

More info please, the doctor ain't no good unless you volunteer more symptoms.

I don't buy the no-load diagnostic btw, no cpu runs with zero spinning fan even at idle, UNLESS it's specifically designed with passive cooling in mind.

OP, so that's ALL you did? change the CPU? Everything else was working before? Does it boot at all? anything on the display? any beep? BIOS responds? Were you using the same fan? Same fan header? Questions-questions-questions-questions.

Jonathan Skree · Apr 20, 2015

jsmithepa :

it does boot. i just changed my motherboard, and my cpu. thats kinda it.

jsmithepa · Apr 20, 2015

Jonathan Skree :

it does boot.[/quote]

That's a good sign.

i just changed my motherboard, and my cpu. thats kinda it.

Yeah, just the heart and lung.

First, reset CMOS to factory.

THEN, I suspect bad fan or bad header. Do you see another header on the Mob with the same number of pins? Look up the manual, if they have the same labeled pins, try to 2nd header just to see if the fan spins at all.

Some BIOS setting may let you turn the fan off, but I can't image it would do that by default.

Jonathan Skree · Apr 20, 2015

jsmithepa :

Jonathan Skree :

ShakedG · Apr 20, 2015

Jonathan Skree :

For some reason you refuse to answer: did you or did you not plug the fan in? If you did, then what header did you plug it into?

eglc · Apr 26, 2015

Make sure that the wire that you plug into your mobo (that should be plugged in) isn't even SLIGHTLY touching the fan blades. This happened to me and my fans wouldn't spin. However, the fan needs to be plugged in and into the correct fan header on the mobo. Hope this helps!

Mug3r · May 2, 2015

If all else fails get a passive cooler and strap it on and never overclock.

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Need help for cpu fan, which dosent spin.

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