CPU Fan Problem?

[Paul Ma]

I'm using the default fan/heatsink combo. The funny thing is that the fan would spin for a second, then stop for a few seconds, then spin up again for a second, repeatedly. It does post however, so I think all the major components are working, except perhaps the motherboard fan connector?

 

[CalvinHobbes]

Do you have the BIOS set to regulate the fan speed?

 

[Paul Ma]

Turns out because of the smart FAN, it doesn't spin until it gets up to 25C and since it's brand new, it was starting at 20C, hence why it didn't spin initially. I wouldn't have guessed it until I went into BIOS to check the temps myself.

Thanks!

 

[Gnitepracdlo]

yeah same thing happened to me..i was like oh crap it's broken..but then it started spinning normally and the temp was at 30c. what's your idle temp at stock speeds with the stock fan?

 

[IGBT]

Originally posted by: Paul Ma
Turns out because of the smart FAN, it doesn't spin until it gets up to 25C and since it's brand new, it was starting at 20C, hence why it didn't spin initially. I wouldn't have guessed it until I went into BIOS to check the temps myself.

Thanks!

..you can shut off smart fan feature so the fan spins at full speed at power up.

 

[f4phantom2500]

lol yeah man i remember the first time i saw that happen on my friend's rig (he leaves the side panel off), before i realized what it was i was like wtf? and he thought it was broken.