Login Screen hangs after entering password

Posted by Ravi on Ask Ubuntu See other posts from Ask Ubuntu or by Ravi
Published on 2012-06-11T10:39:57Z Indexed on 2012/06/19 15:25 UTC
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12.04

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login-screen

When I enter my password in the login box nothing happens. It gets stuck. It was running fine earlier. I have installed gnome-panel and cairo-dock, after which, I logged out, logged back in, and choose gnome classic session. I also added a ppa from the webupd8.org to install the themes (link).

I opened Ubuntu Tweak tool, and changed the theme to Evolve the whole laptop stopped responding. The keyboard and mouse were unresponsive. So I was forced to do a shut down. Now whenever it starts, I cannot login into Ubuntu. I hear the fan noise, as its spinning very fast, when the laptop freezes.(Probably the CPU is running at 100%).

Please help me. How can I login back to Ubuntu? I am using Ubuntu 12.04 and have installed all the latest updates..

EDIT: I want to know how can I delete a folder from the file system using the live CD?

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