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Why on firefox browser on videos i cant hear sound it just playing and just gone.

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  • 2 人有此问题
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  • 最后回复者为 cor-el

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Why on firefox browser on videos i cant hear sound it just playing and just gone. The sound dissapearing on all videos. Please help me i tried some solutions but it not fixed. Thank you.

Why on firefox browser on videos i cant hear sound it just playing and just gone. The sound dissapearing on all videos. Please help me i tried some solutions but it not fixed. Thank you.

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Please check if all your plugins are up-to-date. To do this, go to the Mozilla Plugin Check site.

Once you're there, the site will check if all your plugins have the latest versions. If you see plugins in the list that have a yellow Update button or a red Update now button, please update these immediately.

To do so, please click each red or yellow button. Then you should see a site that allows you to download the latest version. Double-click the downloaded file to start the installation and follow the steps mentioned in the installation procedure.

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Did you check the volume setting in that Flash Player?

Try to clear the Flash local storage and settings.

  • Windows Control Panel > Flash Player > Storage: Local Storage Settings
    • Remove a specific domain: Local Storage Settings by site
    • Remove all domains: Delete All and Delete Data

Flash Website Storage Settings panel:

Global Storage Settings Panel:


You can click the Volume icon on the Windows Taskbar near the clock and click the Mixer link at the bottom to open the mixer.
You can adjust the volume level for each application in that window, so make sure that Firefox is not muted or set at a low level.
Current Firefox versions use the plugin-container process to run plugins, so you need to check the volume setting for the plugin-container process.
You will only see the Firefox program or the Plugin Container in the Mixer if you are on a website that plays sound.