sudo apt-get install pkg_name=version

Or, you may download the version you would like to install and keep it in a
folder, say abc.deb in Downloads. Open terminal, move to the folder
using cd command
and install the previous version usingdpkg:

sudo dpkg -i abc.deb

OR you can use ppa:

sudo apt-get istall ppa-purge

Then you can remove the ppa using command

sudo ppa-purge ppa:user/ppa-name

this will autometically downgrade the software to its original version
which shipped with ubuntu.



On Mon, Mar 11, 2013 at 11:47 AM, Michael Havens <bmike1@gmail.com> wrote:

> I upgraded one file (I don't know what it was) but now after a few minutes
> the graphics die. I just upgaded my system with apt. how can I make it
> like it was before?
> :-)~MIKE~(-:
>
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