Please share some details?
- LAN IP of the Syno?
- LAN IP of your computer ?
- Is your Syno signed into QuickConnect?
- How are you trying to open the Plex app on your new Syno?
Lastly, what would you like me to do with your other (duplicate) thread?
Please share some details?
Lastly, what would you like me to do with your other (duplicate) thread?