This happens to me too. (in hardy up to date)
** Changed in: gnome-power-manager (Ubuntu)
Status: Incomplete = Confirmed
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Battery monitor always states Computer is running on AC power, Laptop battery
charging
https://bugs.launchpad.net/bugs/118492
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Does the bug still occur after today's update of hal in hardy?
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Battery monitor always states Computer is running on AC power, Laptop battery
charging
https://bugs.launchpad.net/bugs/118492
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed