There is "nomodeset" in kernel parameter (in dmesg). Did you try to remove it?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1934464 Title: Brightness control is missing on HP Pavilion Gaming Laptop 15-dk0xxx To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1934464/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs