DSM 6 or DSM 7?
Valid files?
Can you play the HEVC files in another media player - VLC, etc.
File Permissions
Make sure the user Plex (DSM 6) or system internal user PlexMediaServer (DSM 7) has at least read-only permissions to the files.
See FAQ 19: Setting permissions to allow Plex access to media files.
Be sure to check the box for Apply to this folder, sub-folder and files.
Naming & Organization
Naming & Organizing Your TV Show Files
Please show how you have the files named and organized - directory listing, screenshot, etc. Include the full path to the files and file extension.
Plex Media Server Log Files
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Enable Settings → Library → Scan my library automatically
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Configure server for debug, not verbose, level logs
Settings → Server_Name → General + Show Advanced
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Restart Plex Media Server.
Give it 2 - 3 minutes to restart & log the startup sequence. -
Manually scan the library containing the TV show episodes.
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After the scan is finished, download the server log files, Settings → Troubleshooting, and upload the entire ZIP file to the thread.
Drag the zip file into the message window. It will insert at the cursor location.
