Adding acpi_backlight=vendor in my grub.cfg does not fix it. After a restart, the screen brightness still does not respond. Full birghtness and it's hurting my eyes. Grrr....!
-- Screen brightness control fails on Dell Studio 1558 https://bugs.launchpad.net/bugs/568611 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
