Fixed if adding this to the boot parameters: acpi_osi=Linux acpi_backlight=vendor
But in this mode the system freeze when you try to change the brightness using the hardware keys (Fn + F5, Fn + F6). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1140614 Title: Display brightness is always 0 and the screen is hardly readble after boot on Asus X101CH To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1140614/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
