Hello Alejandro, Ok, I don't find the GRUB_CMDLINE_LINUX_DEFAULT: in /boot/grub/grub.cfg Where i should add GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor quiet splash"?
thanks -- 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