So not being able to connect the app to the network was annoying, to say the least.
Once the Plex app would open and stay that way, I wanted to get up and running as quickly as possible. What I would also consider doing is creating a new dataset for your plex library and metadata. Personally I set my plext media path to my /media/ folders. Plex Samsung smart TV app will not connect to the Plex Media Server Alternatively, place a symlink to /media inside the '/var/db/plexdata/Plex Media Server/Media'. It takes a few minutes to reset and reboot but once done, the Plex app worked perfectly.
#Plex media server tv shows not showing up update
I had performed a firmware update on the TV to get the latest version of the Samsung Smart Hub. This problem took the longest to figure out. Plex app opening and closing on a Samsung smart TV Both of which I was able to figure out with a little help from the web. The second, the app would open but not connect to the Plex Media Server. First, the app would open and then immediately close. I had a couple of problems with my setup that took a couple of hours to figure out. Troubleshooting Plex on a Samsung smart TV