I found that in KDE System Settings/Energy saving I actually can control brightness by moving sliders and clicking Apply or OK. The system just does not react on Fn+F5/F6. So probably the problem is easier than it seemed initially.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907308 Title: screen brightness up/down keys not working in LENOVO IdeaPad 5 15IIL05 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1907308/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
