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The problem is the same as here:

  1. The icon does not change when the power cord is plugged in or unplugged (the icon remains a battery if that was the power source on boot but won't change if I plug in the power adaptor and visa-verse).

  2. The battery indicator does not give me a low battery warning or alert (ubuntu just shuts down with no onscreen warnings).


  • I use Ubuntu 12.04 LTS, 64 Bit
  • Reinstalling gnome-power-manager didn't work
  • acpi -b returns "Battery 0: Unknown, 95%"
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And did the answer given there help? – guntbert Mar 5 '13 at 21:31
It didn't. I don't have aptitude so I used apt-get to remove and reinstall it. – Benjamin Mar 7 '13 at 9:50
Exactly same issue here. – theharshest Nov 14 '13 at 17:18
I think then that you may need to break this down. gnome-power-manager uses the package UPower. So you will probably have this installed. When you run upower --monitor-detail and disconnect/reconnect from an outlet do you see detail lines from that? (I tried and I do) – rocky Jun 24 at 1:43
Have you done "update-icon-caches" – DnrDevil Oct 16 at 23:11

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