Upgrading from 12.04.5LTS to 14.04.1LTS Unable to do an upgrade from CD

[Liam Proven]

On 30 September 2014 23:55, Jay Ridgley <jridgley2 at austin.rr.com> wrote:
> Folks,
>
> I am trying to upgrade the last of my systems to 14.04.1LTS.
> 3 have been done...
>
> For some reason this last system will not allow me to do an Upgrade only a
> reinstall, the others I was able to do an upgrade. However, each was a
> separate set of circumstances...
>
> This last system will not allow me to do an upgrade using the Update
> Manager.
>
> I created an DVD from the download page and used it on another system, that
> worked. When I tried to do the same activity on this system it refuses to
> allow me to click on the Upgrade option (the one at the top of the list).
>
> Why?
>
> I do NOT want to reinstall...

I believe you have to use the "alternate CD" image for an upgrade-from-disk.

https://help.ubuntu.com/community/Upgrades#Upgrades_via_alternate_CD

The snag is, after 12.10, Alternate CDs were dropped... So I am not
sure if it will work any more.

-- 
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