Ubuntu not booting after upgrade to 12.04 from 11.10

Posted by ddd on Ask Ubuntu See other posts from Ask Ubuntu or by ddd
Published on 2012-04-27T03:26:18Z Indexed on 2012/11/26 17:27 UTC
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boot

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upgrade

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boot-failure

I upgraded to 12.04 from 11.10 today. After the upgrade, I did the usual reboot of the system and then Ubuntu hangs on Checking battery state..[OK]. I can login to terminal with Ctrl-Alt-F5 and I did startx but it hangs after displaying white images of the desktop icons..there is no menu or any top bar at all. I guess this problem has something to do with Xserver, but I cannot find xorg.conf on my system.

How can I get around this problem? Also is there a way I can make a backup of my files through the command line, because the GUI is not showing up at all?

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