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Sound problem

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I have tried other browsers, and the sound is fine on them, but there is something wrong with firefox. I cannot hear any video playing. I go to youtube and its silent. I go to my school online module and its silent. There is something wrong with firefox.

I have tried other browsers, and the sound is fine on them, but there is something wrong with firefox. I cannot hear any video playing. I go to youtube and its silent. I go to my school online module and its silent. There is something wrong with firefox.

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Also, your Firefox identified itself to the forum as version 53. As you may know, the current versions of Firefox are:

If something is holding you back from upgrading Firefox, please let us know so we can suggest solutions or workarounds. Version 53 is not secure.