[SOLVED] Samsung Series 7 Ultrabook Brightiness do not change

I press FN key and try to change brightness level. Brightness value go up and down, but brightness still the same on 100%.


have you done a full system update?:

Try to install “samsung-tools for trusty(14.04)”, reboot, and then install “samsung-backlight for quantal(12.10)”(that’s the newer version available) and reboot. Download those 2 files [here][1]

In my case, it worked fine on Samsung R530, Ubuntu MATE 14.04
[1]: https://launchpad.net/~voria/+archive/ubuntu/ppa/+packages

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