Jack Ramsay, thank you for performing the requested test. Could you please advise if any of the following kernel parameters individually provide a WORKAROUND following https://help.ubuntu.com/community/BootOptions : acpi_backlight=vendor video.use_bios_initial_backlight=0 thinkpad-acpi.brightness_enable=1
** Tags removed: kernel-bug-exists-upstream-3.13.0-031300rc7 ** Tags added: kernel-bug-exists-upstream-v3.13-rc7 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1244645 Title: Brightness is at 100 percent and will not change To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1244645/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs