> So, how do I start troubleshooting this? I looked in /var/log/gdm3 >> logs, but couldn't see anything that lept out. There were some errors >> from the nvidia driver levels, but those were in older logs and, as I >> say, the UI works, it's just not gnome3. >> > > As you do not seem to know what has happened: > > You are logged into the "fallback mode", also known as gnome classic. I > only know of two reasons, you either (by mistake) chose this as the session > in gdm when you logged in, or gnome thinks your 3D graphics support is > insufficient. > > Excellent. I didn't know about fallback mode. It's kind of nice actually ;)
> I would look at the list of recently upgraded packages, anything relating > to gnome or graphics drivers. > > Unfortunately, I do not know how to troubleshoot it. I assume it would be > in some logfile, but as you did not see anything in gdm3, I do not know > where you should look. Now that I know what to pursue, I can find the logs.
