@chobiwan Please do not resurrect such an old thread. Your problem is most likely completely unrelated to the problem op had in 2017 Please create a new thread and post at least the server logs. I will close this thread and also the other one.
https://support.plex.tv/articles/200250417-plex-media-server-log-files/
Also please take a look at my Raspberry Pi instructions.
Please create a new thread and post at least the server logs. I will close this thread and also the other one.