After installing Kubuntu 20.10 on my laptop with a NVIDIA Geforce GTX 1650 card, I can't lower the screen brightness. I have also installed the latest version on the Geforce GTX 1650 driver from the NVIDIA website.

  • 3
    Does this answer your question? 18.04 can't adjust screen brightness on Lenovo Thinkpad T510 – Raffa Jan 11 at 15:41
  • I tried it now my screen is blank on booting up. – randomartist887 Jan 11 at 16:13
  • You probably copied and pasted without modifying to your hardware specs. Please follow this answer to get into recovery moot then after step # 6 run rm /usr/share/X11/xorg.conf.d/10-nvidia-brightness.conf to remove the file you just created then reboot your system and edit to add the output of sudo lshw -C display and lspci | grep -i vga – Raffa Jan 11 at 16:37

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