This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Video always starts muted with autoplay enabled

  • 1 reply
  • 2 have this problem
  • 33 views
  • Last reply by WestEnd

pudzian5531
pudzian5531
more options

When I load any page with HTML5 video player the video starts playing, but always is muted. I can't find any option to allow playing sound by default. Changing entries in about:config related to autoplay does not change anything. How can I allow a website to autoplay an unmuted video?

When I load any page with HTML5 video player the video starts playing, but always is muted. I can't find any option to allow playing sound by default. Changing entries in about:config related to autoplay does not change anything. How can I allow a website to autoplay an unmuted video?

All Replies (1)

WestEnd
WestEnd
more options

General issues problems without a link to problem pages doesn't help to narrow what is causing the issues here.