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I updated from 18.04 to 20.04 a couple of weeks ago. With 18.04 the mean temperature was between 28 and 40° in light usage (YouTube, browsing etc.), now with 20.04 is always over 40°, also while in idle. I tried updating the Kernel from 5.4 to 5.6.10 and now 5.6.14, but nothing. I have an MSI Prestige 15, with an i7-10750U.

  • There's really nothing wrong with 40°C. But let's check your BIOS. sudo dmidecode -s bios-version. Do you have Nvidia? What model? What version Nvidia driver? Report back. – heynnema May 24 at 13:35
  • The BIOS Version is E16S3IMS.106, I have an NVIDIA GeForce 1650 Max-Q with the 440 version of the driver. The problem is that at a frequency of 1.1GHz is truly a lot 40°, with Windows I'm always below 40, the same with Ubuntu 18.04 – Nicola Giardino May 24 at 14:43
  • Status please... – heynnema May 31 at 15:05
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Overtemp

There's really nothing wrong with 40°C.

If you've overclocked your CPU or GPU, set it back to default.

Make sure that you only have one thermal process. ps auxc | grep -i therm. If you have two, then purge thermald with sudo apt-get purge thermald.

BIOS

You have BIOS E16S3IMS.106.

BIOS E16S3IMS.108 can be download from here. Confirm your exact model # on this page.

Note: Have good backups before updating the BIOS.

Nvidia

You have Nvidia GTX 1650.

The current driver is 440.82, and can be downloaded here.

To cool things down, select the Intel video subsystem, when the Nvidia is not needed for games, etc.

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  • OP didn't explain what piece of hardware is reaching 40°C, but assuming it's either GPU or CPU, I agree that is a LOW temp... Most CPU/GPU don't hit thermal max until close to 100°C. Cause for concern starts in the high 70s low 80s. I agree that a temp of 40°C for a CPU or GPU is a nonissue. – Nmath May 24 at 17:36
  • Tried this but didn't solve anything, I went back to Ubuntu 18.04 and I'm back at those low temps – Nicola Giardino Jun 4 at 19:16
  • @NicolaGiardino If you boot to a Ubuntu Live 20.04 DVD/USB, do you experience the same high temps? Sometimes upgrades from 18.04 to 20.04 go may go wrong because of 18.04 leftovers. Did you upgrade or clean install 20.04? – heynnema Jun 4 at 19:33

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