You're right, just booted into 5.3 (which was still installed) and the problem is gone.
I did not install any mainline kernel yet. Let me know if you still need that, along with instructions and a specific version please. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864698 Title: Can't change laptop-screen brightness on Dell XPS 13 9370 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864698/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
