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511-CPU fan not detected.

Burner1061
By Burner1061
in Cooling
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So I've been dealing with this issue for a long time and I'm now deciding to look into it. Whenever I boot my PC it says 511-CPU fan not detected. If I plug the CPU fan into the case fan slot it works but then the case fan plugged into the CPU fan slot goes crazy. I want to upgrade my PC but I want to fix this first. Thank you!

 

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Mobo: MSI 2AE0 1.0 (FM2)
CPU: AMD A8 5500 (3.2/3.7GHz)
GPU: Asus GeForce GT 1030 (2GB)
PSU: HP 667893-002 (300w)
RAM: x2 Samsung M378B1G73BH0-CK0 (8GB DDR3)

Drive 1: Kingston A400 SA400S37240G (240 GB)
Drive 2: Seagate Barracuda ST1000DM003 (1TB)

Monitor: Toshiba 23L1350U (23", 1920x1080, 60HZ)

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The cpu_fan header is probably using 12v pwm which means 100% rpm for 3pin fans. What happens when the cpu cooler fan is plugged into that header?

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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try plugging the cpu fan to the cpu_fan header.

if that does not work you can probably remove that warning from bios. I say probably because not all boards have that option in the bios.

I Use my knowledge as business owner and self taught technician aswell as an AI to help people. AI might be controversial but it actually works pretty well 90% of the time.

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