Why is Plex not finding files when scanning?

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Plex is a powerful media server that helps users organize and stream their digital content efficiently. However, one of the most common issues faced by Plex users is that the application does not find or recognize files when scanning for new media. This can be frustrating, especially for those who rely on Plex for seamless media management.

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Common Reasons Why Plex Is Not Finding Files

Several factors can cause Plex to fail at recognizing new media. Below are the most common reasons and their respective solutions.

1. Incorrect File Naming Conventions

Plex relies heavily on proper file naming and folder structures to identify and categorize media correctly. If your files are not named according to Plex’s recommended format, they may not be detected during a scan.

  • Movies: Rename movie files using the format: Movie Name (Year).ext (e.g., Inception (2010).mp4).
  • TV Shows: Use structure: Show Name/Season X/Show Name – SXXEYY.ext (e.g., Friends/Season 1/Friends – S01E01.mkv).

If your files are named incorrectly, rename them using the proper conventions and rescan your library.

2. Incorrect Library Type

When adding a folder to your Plex library, selecting the correct library type (Movies, TV Shows, Music, Photos) is essential. If you add a TV series under a Movie library or vice versa, Plex might not recognize the content properly.

3. Insufficient File Permissions

Plex must have permission to read the files and folders where your media is stored. This is particularly crucial if you are using network drives or external storage:

  • On Windows, ensure that the Plex Media Server service has access to the folder.
  • On macOS and Linux, check the file permissions using command: ls -l and modify using chmod if necessary.

Giving the Plex Media Server the necessary read and execute permissions should resolve this issue.

4. Misconfigured Folder Paths

Another common mistake is pointing Plex to an incorrect folder or a location that no longer exists. If your media is stored on an external drive or a network location, ensure that:

  • The drive is connected and mounted correctly.
  • Plex is looking at the correct folder path.

Check and update your media directory paths in the Plex library settings if needed.

5. Hidden Files or Unsupported Formats

Some operating systems may mark files as hidden, preventing them from being detected by Plex. Additionally, Plex supports various media formats, but some less common extensions may not be recognized.

  • Ensure your files are not hidden (on Windows, check file properties; on macOS/Linux, look for files starting with .).
  • Convert unsupported files to a Plex-compatible format using tools such as HandBrake or FFmpeg.

6. Plex Database Issues

Sometimes, Plex’s internal database may become outdated or corrupted, preventing new files from appearing. To fix this:

  • Manually refresh the library by selecting Scan Library Files from the Plex interface.
  • Optimize the Plex database by navigating to Settings > Manage > Optimize Database.
  • For severe cases, deleting and re-adding the library can help.

7. Network Issues Affecting NAS Devices

If your media is stored on a NAS device, ensure that:

  • The NAS is online and accessible.
  • Plex has the correct network permissions to access the NAS.
  • The Plex server and NAS are on the same network subnet.

Final Thoughts

Plex is an excellent tool for managing media, but issues with file detection can significantly impact usability. By checking file naming conventions, permissions, folder paths, and library settings, most problems can be resolved quickly. If issues persist, reviewing Plex logs for errors can provide further insights into what might be going wrong.

By troubleshooting systematically, users can ensure a seamless Plex experience and enjoy their media without interruptions.

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