CPU fan doesn't spin up when computer's turned on

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Neurotic-Turtle

Gawd
Joined
Mar 2, 2003
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Like the title says, my cpu fan doesn't spin up when i turn the power on. I made a thread the other day about the same problem with the stock fan so i went out yesterday and bought the xp120 and a 120mm coolermaster fan and the problem still exists. It only spins when i push the fan blade and/or turn it myself. :confused: Does anyone know what could be the problem and how i could solve this?



thx in advance
 
I had this same "problem" for a while. Turns out that it's not spinning because your CPU is cool enough not to need the extra airflow. :p You can usually change the temperature threshold in your BIOS.
 
What are your specs? Do you have Cool-n-Quiet enabled? Have you tried another fan connection to see if it works? What are your temps?
 
Specs are:
3000+ venice @2.2
DFI LP Ultra-D
7800gt
ocz platinum rev2

I have CnQ disabled and i've also switched to another fan header but it's still the same. Temps at idle are 25-27C
 
Neurotic-Turtle said:
Like the title says, my cpu fan doesn't spin up when i turn the power on. I made a thread the other day about the same problem with the stock fan so i went out yesterday and bought the xp120 and a 120mm coolermaster fan and the problem still exists. It only spins when i push the fan blade and/or turn it myself. :confused: Does anyone know what could be the problem and how i could solve this?



thx in advance
Click to expand...

Mine does the same thing, and I too believe that it is because the cpu is not warm enough. About a 30 seconds or around that the fan eventually will begin to turn on, and I do have cool and quiet on.
 
Haha, yea I was really scared like a month ago when mine didn't kick on either.

I also have an Ultra-D. I guess its just a stock setting.
 
When you play a game or perform a CPU intensive task, does the fan increase in speed? What are your temperatures at load?
 
melomania said:
Haha, yea I was really scared like a month ago when mine didn't kick on either.

I also have an Ultra-D. I guess its just a stock setting.
Click to expand...

YeAH mine would just sit there and kinda like "pulse" the fan would look like it was twitching. lol! I dont know what is up with that but yeah.

Mr. Miyagi, Im can't really hear the fan speed up when playing a game for hours on end or anything CPU intensive, so pretty much mine is quiet all around even at full loads. my temperatures at load are around 40c +/- 5-10 degrees. (depends on how hot my room and how long I have been playing).
 
Viper16 said:
YeAH mine would just sit there and kinda like "pulse" the fan would look like it was twitching. lol! I dont know what is up with that but yeah.

Mr. Miyagi, Im can't really hear the fan speed up when playing a game for hours on end or anything CPU intensive, so pretty much mine is quiet all around even at full loads. my temperatures at load are around 40c +/- 5-10 degrees. (depends on how hot my room and how long I have been playing).
Click to expand...

That happened to my stock fan almost everytime but not for my coolermaster since i got it (2 days ago). Sometimes the fan spins when i power it on but then stop half way loading to windows, the led would even light up. My load temps are around 37C
 
If you got an ultra-d just fire up smartguardian from the CD that came with it, go into options, find the cpu fan, software programable mode, and try changing speeds there in windows.
 
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