videos won't play on web sites

Since my upgrade to 29 FF, videos on some web sites will not play. I tried to disable any potential ad blocking, ghostery, and various plug-ins without result. I say different because as long as I visit a site such as YouTube of video hosting, there is no problem. Seems that any site that has a video that shows their won content ' t play. I also tried 3 cookies and pop ups. I'm out of ideas. You have any ideas?

Note that you have a few extensions that can block content or cookies or interfere with data recovery

  • If you have many extensions then first turn on half of test extensions that half the problem.
  • Continue to divide the bad half that still has the question until you find that one is causing it.

It is also possible that web pages use a < video > tag to use a media player to HTML5.

You can disable this media player by setting these false prefs on the topic: config page.

  • Media.Windows - Media - foundation.enabled
  • Media.DirectShow.Enabled

Tags: Firefox

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