I have the same problem, after updated to kernel 3.8.0-23-generic, the backlight control stops working. I have to stick with 3.5 kernel, otherwise, eyes will be damaged.
hardware: dell xps ultrabook 13' with intel hd 3000?
I have the same problem, after updated to kernel 3.8.0-23-generic, the backlight control stops working. I have to stick with 3.5 kernel, otherwise, eyes will be damaged.
hardware: dell xps ultrabook 13' with intel hd 3000?