How to troubleshoot video playback issues?

If the video doesn't load...

If videos get stuck, stop, or stutter...

If videos have audio issues (e.g. no sound)...

If you're getting a "player error" on Ubuntu + Firefox...

  • Try installing the ffmpeg package in Linux using sudo apt-get install ffmpeg

If lesson videos don't start automatically or there's no sound (no auto-play)...

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