I've just installed Ubuntu on my Lenovo g460 with Windows 7. I am not able to play any movie or mp3 file. When I click on a file I'm asked to install a plugin. When I click on the install button nothing happens.
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possible duplicate of [How can I enable video and audio codecs?](http://askubuntu.com/questions/9096/how-can-i-enable-video-and-audio-codecs) – Pandya May 31 '15 at 11:00
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Please check the following page: https://help.ubuntu.com/community/RestrictedFormats – João Pinto Dec 14 '10 at 17:01
4 Answers
Install ubuntu-restricted-extras

Also have a look at the Ubuntu wiki page on restricted formats.
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Instead of that you can rely on GStreamer packages.
Go to Ubuntu Software Center and search for GStreamer. That's all.
Done.
Or use Fluendo mp3 plugin.
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Use the terminal and install restricted extras:
sudo apt-get install ubuntu-restricted-extras
Or just search "Ubuntu Restricted Extras" (or just restricted") in your software center and install the ubuntu restricted (as opposed to xubuntu or kubuntu).
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The codecs are not default in Ubuntu so you may need to install them following any of the above links you also could install other players such as VLC player and make it your default, totem and rythmbox also could be updated to have the missing codecs cheers
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