I did some testing: deactivated the dedicated graphics in the bios, booted to ubuntu 18.04 and 18.10 (installed parallel) and both worked. Though with the dedicated graphics enabled (nvidia) the brightness does not work...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1747273 Title: Can not control brightness on Thinkpad P51 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747273/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
