CPU Fan Error?

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Triscuit407

Triscuit407

Honorable
Nov 26, 2013
9
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10,510
For the last couple weeks when I start my computer I've been getting a CPU fan error and then prompted to go to the BIOS. The fan is running about 585-595 rpm and is shown in red. I haven't noticed any performance differences or even any temperature problems. What's going on?
 
Solution
jimthenagual
It's the CM Hyper 212 Plus and the Asus P8Z77-V Pro. I had the exact same problem on my previous system, with same parts, and simply had to turn down the low threshold cpu fan warning to 300 rpm.
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jimthenagual

jimthenagual

Splendid
Apr 8, 2012
4,005
16
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With larger heatsink fans, the rpm is of course lower than a normal stock cpu fan. The motherboard sometimes sees these low rpm's and registers a false cpu fan error. Try going into your bios settings and set the cpu fan rpm warning lower, to like 300rpm and see if that fixes you up.
 
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Dogsnake

Dogsnake

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Oct 20, 2006
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20,460
Could be the fan is dirty. What cooler are you using? That sounds like very low RPM. What is the fan/cooler rated to perform at. Could be the fan is going out and has slow start up. Maybe you could provide some details?
 
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Triscuit407

Triscuit407

Honorable
Nov 26, 2013
9
0
10,510
I restarted my computer and it didn't give me the error. I checked the CPU fan speed and it was running at 730. I went ahead and lowered the warning setting anyway. I'll see how it is tomorrow morning. Thanks for the quick help.
 
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