Sound doesn't play in Youtube videos.
When I watch a Youtube video in Firefox, there is no sound. The same video has sound if I watch it in Chrome. Also, other types of videos have sound in Firefox. This started happening a few weeks ago. Until then the sound worked fine.
I have Windows 7 and Firefox 23.0.1.
Выбранное решение
Thank you all for you efforts. None of the suggestions solved the problem. However, the sound has started playing again on its own. I don't know why it stopped working & I don't know why it resumed working. But it is working now. Thanks again.
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Check your Flash is uptodate
Fix common sound issues
Try to uninstall and reinstall Flash.
Выбранное решение
Thank you all for you efforts. None of the suggestions solved the problem. However, the sound has started playing again on its own. I don't know why it stopped working & I don't know why it resumed working. But it is working now. Thanks again.