[ubuntu] Laptop Toshiba brightness set block after driver installed

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http://ubuntuforums.org – Hello everyone. I have laptop Toshiba satellite l670 with Radeon HD 5650. After installation ubuntu I installed all updates, restart the computer and install drivers to my graphics card using "Additional Drivers". All it's OK but now i can't change the brightness;/ It's not very important option i know. but sometimes i want change this settings. The problem start after install drivers to graphics card. If whoever know what i must do to repair this, please reply on this post:<snip> Sorry 4 my English Greetings and thanks 4 all reply and help :wink: (Hardware)