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don't know much about Ubuntu but will try to be as specific as possible. After updating from 12.10 it auto-restarted, the screen went to black and froze there. I restarted it manually and got to the Grub menu. After trying a few things I went into Ubuntu Advanced Options, where it had the option to boot Ubuntu 3-8.0-19-generic or Ubuntu 3-5.0-27-generic, and recovery options for both. After selecting the 3-5.0-27-generic option (which I guess is an older kernel version) it went through several pages of code and then Unity started up. However,when I restart it freezes again. What can I do to get the updated kernel version working? Will be happy to provide any more information. Help really appreciated!

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Did you try to update the system packages when you booted into 3.5.0-17? Also, could you post what is your graphic card? You can do that by posting the result of the command:

lspci | grep Graphics

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I checked the software updater, and it said no updates available when I booted it in 3-5.0-27. The output from the code you gave was: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) Thanks for your help! –  Chris Apr 29 '13 at 22:38
    
Still had no luck. Screen boots to purple then black. If anyone has a suggestion for how to roll this back to how it was before on 12.10 that would be appreciated. –  Chris May 1 '13 at 15:14
    
Thanks for all the detailed help guys! I knew I could rely on this website and the Ubuntu community in general. After all, you were so helpful for the previous nightmarish problems I have had with Ubuntu. –  Chris May 12 '13 at 9:45
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