This problem seems to persist on Ubuntu 20.10. The workaround is using an "external" app. > sudo apt install brightness-controller
Probably this a nvidia related issue. Opening the Nvidia configuration app resets to max brightness. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1863407 Title: Lenovo Ideapad L340 screen backlight stuck at maximum brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1863407/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
