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I am using VirtualBox 4.1.2 & installed Ubuntu 10.04. I saved so much data in it. Recently I started upgrading it to 12.04. During the middle of installing 12.04 packages, I shutdown my VirtualBox. On next restart it got struck at Ubuntu loading page itself. Not able to see login page and further process.

Please help me on how to recover my old files.

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2 Answers 2

Three issues here:

  1. 10.04 desktop reached EOL, upgrades to 12.04 will then only work for the server edition.

  2. You may have to upgrade Virtual Box to a more recent version to fully support newer kernel and Xorg.

  3. your upgrade is incomplete because it was interrupted.

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You can try installing Ubuntu 12.04/12.10/13.04 directly onto the partition of your corrupt installation with a LiveDVD. Ubiquity now can handle upgrades from an old release to a new one while effectively preserving your data and, on the maximum attempt, your packages and system settings.

Remember to make a backup of your VM!

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Thanks, I tried reinstalling with 12.04. It showed the system has already 12.04 in it. I reinstalled with 12.04. It installed successfully.. But I am not finding my previous data. plz help. I have back up copy. –  srikanth May 15 '13 at 7:05

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