Hi, it works using acpi_backlight=vendor as a kernel parameter Just edit /boot/grub/grub.cfg and add "acpi_backlight=vendor" to GRUB_CMDLINE_LINUX_DEFAULT:
GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor quiet splash" Then execute: # sudo update-grub -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/779166 Title: Upgrade to version 11.04, disable the laptop display back light -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
