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Possible Duplicate:
Getting function keys working on Samsung RV510 notebook

I have just updated to 11.10 form 11.04. I use a Samsung NN150Plus netbook and have no control over the screen brightness. If I use the keyboard keys its either full brightness or on minimum. If I use the system settings/display, it freaks out and runs from low to high without any control. This is a major issue and makes the netbook almost unusable.

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marked as duplicate by Oli Oct 31 '11 at 15:07

This question was marked as an exact duplicate of an existing question.

    
Note for moderators: This question has already been asked in question 67262. While, the HW isn't exactly the same, it's caused by the same bug and thus has the same workarounds. – papukaija Oct 31 '11 at 1:13

Add this ppa https://launchpad.net/~voria/+archive/ppa using software sources and install Voria samsung-backlight, reboot and you should be good.

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Great, did as instructed and worked fine, thanks much appreciated, a real life saver! – user23658 Oct 17 '11 at 7:11

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