HTML5 video not playing in Firefox

HTML5 video should work in Firefox web browser. If it is still not working, try the following −

  • Start Firefox in Safe Mode to check if any extension is creating issues.
    To reach Extensions, go to, Firefox/Tools > Add-ons > Extensions
  • Try to turn off hardware acceleration.
  • You need to check the media prefs that do not have the default value.
  • If the is set to false, you need to set it to true and restart.

Any of the above fixes should work.

Updated on: 25-Jun-2020

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