Thank you so much. It works!!!
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Screen brightness can not be adjusted in Lucid with Intel Arrandale graphics
https://bugs.launchpad.net/bugs/573984
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Confirming this also for an Acer Aspire 4740
None of the workarounds above works.
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Screen brightness can not be adjusted in Lucid with Intel Arrandale graphics
https://bugs.launchpad.net/bugs/573984
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed