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I had installed Ubuntu 11.04 through CD alongside windows. I got a problem here in upgradation when I upgraded my Ubuntu 11.10 version to 12.04.There were many errors too while installing upgrades.. The package got broken. After restarting the computer,It should appear Ubuntu 12.04,even here It is appearing ubuntu 11.10 with four dots just moving one by one and does not proceeds further,hangs here!! Windows is running fine,I restarted computer many times,plugged out the charger...Nothing is working. How to solve this issue?? I'm not a very frequent user of all this.. Please guide me...

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It seems that your Update did not succeed.If you had chosen online upgradeation,this is a frequent error.I faced it too.

The best and safest way to upgrade is using a LIVE CD/USB...

If it is still showing 11.10 you will have the option to upgrade when you start the installation.

I assume you know the process of installation.

The only thing you will have to do after clicking on INSTALL UBUNTU on the first screen is,

In the next screen,you will have to select UPGRADE 11.10 to 12.04

If any further assistance is needed do leave a comment.

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