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since I installed XUbuntu 12.04 on my notebook, brightness controls are no longer working (they used to work before with Smartdimmer). I tried several suggestions, starting from gnome-settings with gsd-backlight-helper to the Xorg.conf file, but both didn't help, maybe someone can give me further advice?

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here some solution in heberw (עברית-למקרה שאתה דובר (: ): http://www.fxp.co.il/showthread.php?t=10255235&p=94282824#post94282824

also here is the source from the end of the comment there: Vertical Scroll doesn't work on a Sony Vaio VPCEB1S1E

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Sorry, but that didn't help me getting any further. – user70005 Jun 11 '12 at 22:07
my mistake-my sorry ;) , this is ths source of the second guide there. but this would help you: askubuntu.com/questions/76081/… you should edit the file and add the line. – yinon Jun 12 '12 at 12:11
Sorry, but this didn't work either. I added the line to my xorg.conf and installed the latest dkms file, still no change in brightness. Which program or command would you suggest to adjust brightness level? Do you have any further idea for a solution? – lol Jun 12 '12 at 18:53
did you copy-paste it precisly? ( (: ) pay attention to all the " and ' there. may you paste your file here? I hope I will succesed in helping you, also hope to get more help from more people here (: – yinon Jun 12 '12 at 19:11

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