No problem, thanks a lot for the help. I did presume /etc/default/grub was the file to work with, but it didn't help me whatsoever. I had to settle with GRUB_CMDLINE_LINUX="nomodeset acpi_backlight=vendor" and lose the welcome screen.
-- LCD Brightness won't Change - intel 4 series https://bugs.launchpad.net/bugs/392948 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs