Check in /var/log and see if you have dpkg.log.  If you do, you should 
be able to look at the bottom of the file and see what you just installed.

At that point you should be able to uninstall, downgrade, upgrade or 
properly configure it... what ever you think will best fix your system.

do, "apt-cache show <package_name>", and it will show you if there is 
more than one version available to install.  If there isn't multiple 
versions, you might still have an old version available that you can 
downgrade to in /var/cache/apt/archives/

To install those, simply do dpkg -i <path/to/the/package.deb>

After that, if that package upgrade was the one that broke your system, 
then it should be back to normal.

Keep in mind that another upgrade will put the newer package that broke 
your system right back on there so you might want to skip any upgrades 
till the system tells you that package has been upgraded to a newer version.

There are ways to tell the system to make a certain version of a package 
stay on there till it's told differently, but that can cause problems in 
and of itself... mostly just keeping your system from being able to upgrade.

Brian Cluff

On 03/11/2013 11:47 AM, Michael Havens 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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