I can't remember what the package names are... it's been wayyy too long,
but you can just use apt-get
$ sudo apt-get remove <package name>

Ubuntu probably uses 2 (maybe 3?) packages for the complete driver,
uninstall each of them 1 by 1, then reboot.
After that reboot, run apt-get update and then apt-get upgrade-all to make
sure your repo and all installed packages are in sync. if any errors occur
with either of those commands you have bigger problems, and nvidia is the
victim of those problems.

Reboot again for good measure.. and then install
$ sudo apt-get install <nvidia package 1>
$ sudo apt-get install <nvidia package 2>

Reboot again :-)

Someone here should be able to open synaptic and tell you what the package
names are that they have installed. searching packages.ubuntu.com on my end
is just gonna give me a headache...

SIDE NOTE: The crash reporter thing puts it's logs in /var/crash. there are
probably some text files in there that give you a more relevant view of
your log files. Also, posting excerpts on a mailing list doesn't actually
help, we need the ENTIRE log to give meaningful advice because of how
errors lead into other errors.
-Ben


On Wed, Jan 22, 2020 at 2:22 PM Dick Steffens <d...@dicksteffens.com> wrote:

> On 1/22/20 1:32 PM, John Meissen wrote:
> >
> > On 1/22/20 12:49 PM, Dick Steffens wrote:
> >> On 1/21/20 10:54 PM, John Jason Jordan wrote:
> >>> On Tue, 21 Jan 2020 22:31:02 -0800
> >>>
> >>> As for messages, look at /var/log/messages. It's a long document, but
> >>> if you open it in Mousepad or Gedit you can do a search on things like
> >>> 'nvidia' and such.
> >>
> >> I was going to reply that I don't have /var/log/messages, but I
> >> DuckDuckGo'd it and found out that Ubuntu uses syslog.
> >> https://askubuntu.com/questions/51265/where-is-var-log-messages
> >>
> >> While I have found /var/log/syslog, I haven't found an understandable
> >> description of how to read it. Clue stick, please.
> >>
> > It might make a log more sense to look at the X server log file.
> >
> >    /var/log/Xorg.0.log
>
> It does help verify some things I know (because of current experience),
> and tells me things I didn't know (Nouveau is loaded)
>
> Here are the (EE) lines, and some Nouveau (II) lines:
>
> > [    26.944] (EE) Failed to load module "nvidia" (module does not
> > exist, 0)
>
> > [    27.073] (II) LoadModule: "nouveau"
> > [    27.073] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
>
> > [    27.350] (II) NOUVEAU driver Date:   Mon Jan 28 23:25:58 2019 -0500
>
> This confirms that I need to reinstall the nVidia driver. From
> yesterday's experience using Synaptic, that didn't work. Do I need to
> use Synaptic, or some command line magic, to completely remove all the
> old nVidia stuff, and then reinstall, using Synaptic or the command line?
>
> Thanks!
>
> --
> Regards,
>
> Dick Steffens
>
>
> _______________________________________________
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