I updated now to kernel 5.7.9 and brightness can now be reduced to less than 50%. Only thing I noted is that setting brightness to zero does not turn off the screen as it is when running windows on the machine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1881462 Title: Brightness settings don't work on Lenovo Ideapad 5 15ARE05 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881462/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs