Just adding "acpi_backlight=vendor" to the grub parameters fixes the back-light issue for me... this has been bothering me for months! :D
Instructions: ``` sudo nano /etc/default/grub ``` change `GRUB_CMDLINE_LINUX_DEFAULT="quiet"` to `GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"` ``` sudo update-grub sudo reboot ``` -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1177963 Title: Backlight switches of on Ubuntu 13.04 boot-screen - Dell XPS12 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1177963/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
