I've just installed Ubuntu, and my screen brightness seems to be on maximum. I can't find any way to reduce the brightness.

Distributor ID: Ubuntu
Description:    Ubuntu 20.04.3 LTS
Release:    20.04
Codename:   focal
Nvidea GTX 1650
SSD 480 GB

I have "driver-470 proprietary tested" installed. I have disabled Secure Boot. But the brightness is still a problem. How can I fix it?

  • So check for and install the latest released UEFI for your model. It should be in the downloadable alongside drivers and may still be called "BIOS" or "UEFI BIOS". Nov 25 at 12:26
  • Is this a laptop? What model machine is this?
    – user10489
    Nov 26 at 12:08

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