Battery indicator missing, ubuntu 12.04

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http://askubuntu.com – There is a closed , question at Battery Indicator Missing. But I have the problem and have not found any solution yet. Also reported a bug but no replies again. https://answers.launchpad.net/ubuntu/+question/197436 I updated the kernel from 3.2 to 3.4 precise. I have ubuntu 12.04, on 64 bit machine, dell E6400. I tried chawla@chawla-laptop:~$ sudo apt-get install indicator-power Reading package lists... Done Building dependency tree Reading state information... Done indicator-power is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 71 not upgraded. but n (HowTos)