Linux Mastering Development Ubuntu

Processor fan doesn’t work until temps are high

First of all, hello to all!
I have noticed that the laptop’s processor fan doesn’t start working until the temperatures of the cores and CPU reach somewhat high stats (around 50°C, usually a bit higher). When the fan is working, it is spinning with around 2500-2600 RPM (I checked it using Psensor). I’m not sure if this classifies as a problem or just a characteristic, but is there a way that allows the machine to work with temps of around 35-40°C with the fan running constantly at lower RPM? Another odd thing I noticed is there’s another fan, and I get the following when I run psensor through Terminal:

[ERR] lmsensor: Cannot get value of subfeature fan1_input: Can't read.

I tried installing TLP, but it just seems to aggravate this condition. My OS is Kubuntu 18.04, I have worked with standard Ubuntu, Xubuntu and Ubuntu Mate, the situation is the same with them. I’d be thankful if someone has a solution.

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