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The weird thing is that my old HP laptop doesn't want to install newer Ubuntu using a CD. He just ignores it when booting up while a Ubuntu 9.10 disk really gets me to installing and live disk. But is it possible to upgrade using a command or something? Because the inbuilt update manager says that Karmic Koala is not supported anymore.

Thanks in advance!

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marked as duplicate by Radu Rădeanu, Mateo, Kevin Bowen, Eric Carvalho, Basharat Sialvi Jun 29 '13 at 8:27

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Try reading PreciseUpgrades. –  edwin Jun 28 '13 at 21:14
    
Can you verify that your CD/DVD image is good? –  belacq Jun 28 '13 at 21:31
    
What method did you use to burn the ISO? –  BiggJJ Jun 28 '13 at 21:48
    
Have you checked the md5sum? –  Dillmo Jun 28 '13 at 21:49
    
@Zignd Don't need 50 rep to comment or edit your own post. –  belacq Jun 28 '13 at 22:26

1 Answer 1

Open Update Manager, then check for updates. You should see a notification telling you a new release is available at the top. Click Upgrade, then follow the instructions you are given.

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