On Acer Aspire One AOD521 not work battery indicator applet.

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately, we cannot work on this bug because your description didn't include enough information. You may find it helpful to read "How to report bugs effectively" http://www.chiark.greenend.org.uk/~sgtatham/bugs.html. We'd be grateful if you would then provide a more complete description of the problem.

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At a minimum, we need:
1. the behavior you expected, and
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Thanks!

I don't know wich of package relating with this problem. If I would knew pakage name, I would collected information by apport-collect 738806.
I expected see battery charging indicator when AC adapter unpluged.

http://ubuntuforums.org/showthread.php?p=11077490#post11077490