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.

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

When i play a video on youtube or facebook there is no sound but there is video, i dont know whats the problem i tried everything in the suggestions but nthing worked .. please i need help

more options

I always used internet explorer but after i downloaded windows vista service pack 2 i had a problem with the sound while playing any video , there is no sound but there is video so i switched to firefox and the same problem occurs.

This happened

Every time Firefox opened

== today

I always used internet explorer but after i downloaded windows vista service pack 2 i had a problem with the sound while playing any video , there is no sound but there is video so i switched to firefox and the same problem occurs. == This happened == Every time Firefox opened == today

All Replies (3)

more options

there is no sound helpe pls.

more options

no sound while video O.K

more options

Video works, but no sound. Sound works in media players, chrome, etc.