Videos won't play in Facebook. Is this a browser issue or a Facebook issue
Videos won't play in Facebook. Is this a browser issue or a Facebook issue
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If you have Windows 10 N or KN then you may not have the Media Feature Pack installed. https://support.mozilla.org/en-US/kb/fix-video-audio-problems-firefox-windows
Make sure you are not blocking content.
Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop
Many site issues can be caused by corrupt cookies or cache.
Warning ! ! This will log you out of sites you're logged in to. You may also lose any settings for that website.
- How to clear the Firefox cache {web link}acking-protection-firefox-desktop
You can check the Web Console for media related messages.
- "3-bar" menu button or Tools -> Web Developer
- https://developer.mozilla.org/en-US/docs/Tools/Web_Console