I just purchased a new Dell Latitude E6430s pre-installed from Dell with 11.10 and all of the Dell drivers.

In the Update Manager, I changed the Settings to notify me of new versions and it now shows '12.04 LTS' is available. When I click on the Upgrade button it will download two files, then nothing, no errors, no lockups, it just returns back to the Update Manager. I tried it several times, rebooted, and left it on over night hoping it was downloading more...

After the update, my goal is to install KVM to install multiple OSs (one for work, one for learning to not worry about missing-up...) Your help is appreciated. I am new and putting my money where my mouth is to learn linux...