Still no luck for me on Dell N5010, running Kubuntu 13.10:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=legacy"
didn't work...
Still no luck for me on Dell N5010, running Kubuntu 13.10:
GRUB_CMDLINE_ LINUX_DEFAULT= "quiet splash acpi_backlight= legacy"
didn't work...