I have a Dell Studio 1558. When I originally installed 13.04 on it, I had to modify my /etc/default/grub with the following: GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor dell_laptop.backlight=0 ...
Basically the question in in the title: how can I enable the backlight keyboard on a Dell Latitude M4500?
I am experiencing annoying automatic backlight brightness changes under ubuntu 12.04 LTS on my Dell XPS ultrabook. It seems to be connected to the amount of white pixels on the screen (switching ...