Question Is this behavior from my Ryzen CPU fan normal? Changes speeds...

littlecupcake

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Dec 8, 2011
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Here is a video of the behavior: View: https://imgur.com/a/LUBXDpK
Toward the end of the video with 10 seconds left is the most noticeable change in speed. As you can see and hear, the fan revs up randomly, even though my computer is just sitting there idle, not doing anything at all.

It's an AMD Ryzen 2700x with the stock "Wraith Spire LED Cooler" and my motherboard is the Asus ROG Strix B450. I just built it. Did I install the cooler wrong? All my specs and benchmark is here: https://www.userbenchmark.com/UserRun/22688001

Temperatures seem normal, I guess. Around 40c and up to 60c when fiddling around, although I have not tested my temperatures when gaming yet.

Thanks!
 

jovan.draganovic

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Nov 27, 2018
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When the fan speeds up that generally means the CPU is generating more heat, i.e. more processing. The thermistor could be bad but that would be very rare in my experience. I would look at what processes are running when the CPU starts spinning up.
and install msi afterburner and see the fan percentage before and after the "jump"
also having temperature of 60 while idle is way more that it should.
i dont think this is wierd or unnatural behaviour since you said temps variate up to 60.
 

littlecupcake

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If the temps are too high, would that suggest I didn't properly install the CPU fan? To be honest, I found it really confusing - I couldn't tell which way I supposed to push the lever because it seemed to be tight in both positions. Do you think I could just re-seat the CPU fan? Or should I get new thermal paste and start over completely?
 

littlecupcake

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I downloaded MSI Afterburner like you said, and although I don't really know how to use it, I see that the CPU temperatures are all temperature is zig-zagging up and down by a few degrees. The fan percentage seems to be nonexistent, unless I'm reading the wrong line - would that indicate a fan installation issue?

Some photos from MSI Afterburner here: https://imgur.com/a/R1QFV7t/
 

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