Did someone tryed this solution : http://www.webupd8.org/2012/08/fix-dell-xps-13-backlight-brightness.html ? Maybe this works (can't try, I'm under 11.04)
Did someone tryed this solution : http:// www.webupd8. org/2012/ 08/fix- dell-xps- 13-backlight- brightness. html ?
Maybe this works (can't try, I'm under 11.04)