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CPU fan always at max speed

razor767
By razor767
in Troubleshooting
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Dusting it off a bit seems to have fixed the problem. Fan is running at normal speed and no error message.

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When I turn on my PC my CPU fan is constantly at full speed. I've had this PC for 2 years and this has never happened before. Can someone please help?

Edit: I forgot to mention that I get a "CPU fan error" and it does not boot.

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Posted

When I turn on my PC my CPU fan is constantly at full speed. I've had this PC for 2 years and this has never happened before. Can someone please help?

Is everything else running fine? What are the temps?

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Intel Core i3-5005U, 8GB RAM, Crucial MX 100 128GB, Touch-Screen, Intel 7260 WiFi/Bluetooth card.

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TruPureX, Asus Zenwatch 3.

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Softmodded Fat PS2 w/ 80GB HDD, and a Dreamcast.

 

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Posted

Have you tried a different fan header? Have you changed your thermal paste since you've got it? is the heatsink making contact with the cpu?

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Posted

When I turn on my PC my CPU fan is constantly at full speed. I've had this PC for 2 years and this has never happened before. Can someone please help?

Edit: I forgot to mention that I get a "CPU fan error" and it does not boot.

If the fan is PWM I'd consider trying a different fan and see what happens.

"Rawr XD"

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Sorry for late the reply, I was on mobile and was having problems.

 

CPU temps are around 80 degrees. On closer inspection it's actually the top case fan that's spinning at full speed. My bad, I got confused becuase the error message read "CPU fan error". 

 

Any help on how to fix this?

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Dusting it off a bit seems to have fixed the problem. Fan is running at normal speed and no error message.

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