If you’ve run into issues with your Plex server—like media not showing, buffering during playback, or subtitle problems—you’re not alone. In this guide, we walk through 8 common Plex server issues and how to fix them easily and quickly.
By addressing these common issues, your Plex server will run smoother and more reliably—whether you're watching locally or halfway around the world.
SAMSUNG 49" Odyssey G9 (G95C) DQHD 1000R, 240Hz
SAMSUNG 49" Odyssey OLED G9 (G95SC) DQHD 1800r, 240Hz
SAMSUNG 57" Odyssey Neo G9 1000R, 240Hz, 1ms
LG 49" (49GR85DC) DQHD, 1000r, 240Hz, 1ms
MSI MPG 491CQP QD-OLED 1800r, 144Hz
ASUS TUF 34” Ultra-Wide (VG34VQ3B) 180Hz
The Plex server is a fantastic way to organize and stream your collections of movies, TV shows, music, and photos. But that doesn’t mean it’s flawless. Over the last 10+ years, I’ve run into several common issues—and I’m here to walk you through 8 of them and how to fix each one.
1. Media Unavailable or Offline
This usually happens when your Plex server is turned off or signed out. You’ll see a yellow exclamation mark. Simply sign out on the device, sign back in using the TV link code, and activate the connection via plex.tv/link.
2. Remote Streaming Not Working
Remote streaming requires a Plex Pass. Make sure it's active, then go into Plex settings and enable remote access. If it's not accessible, manually forward port 32400 on your router.
3. Slow Library Scanning or Metadata Problems
Use Plex’s recommended naming formats—movie title with year, TV show name with correct episode number. Store metadata on an SSD and refresh manually if needed. You can also add posters manually.
4. Audio Not Working or Codec Not Supported
Enable automatic transcoding in Plex settings. Ensure both the server and client device support audio formats like DTS or Dolby. For separate audio/video files, sync them in video editing software.
5. Subtitles Not Displaying or Out of Sync
Use external SRT files—these are widely supported. You can adjust subtitles manually during playback. Burned-in subtitles also avoid compatibility problems.
6. Buffering, Stuttering, or No Playback
This may be due to network congestion or server limitations. Use direct play for local streaming and wired connections when possible. Enable hardware transcoding for better performance.
7. High CPU Usage from Transcoding
Enable hardware acceleration. Convert high bitrate files to efficient formats like H.265. Stick to MP4 (H.264 + AAC) to minimize the need for transcoding.
8. Plex Server Crashes or Freezes
Most crashes stem from memory issues or outdated software. Keep Plex updated. Monitor CPU/RAM usage, close background tasks, and run Plex on a dedicated NAS. Rebuild your database and clear cache regularly. As a last resort, reinstall Plex.
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