What to do if Firefox won't play any sounds

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This article describes what to do when you can't hear sound in Firefox.

Unmute Firefox and plugins

  1. Open Firefox and play content that should play sound, such as this Firefox video or a Flash video with sound.
  2. Click the volume icon in the Windows taskbar.
  3. Click MixerOpen Volume Mixer. The Volume Mixer window will appear.
  4. Make sure the sliders for Mozilla Firefox and Plugin Container for Firefox (for plugin content such as Adobe Flash) are not muted or at the bottom.
Win7Mixer-Firefox&Plugin Win10 Volume Mixer

Check your audio device

Make sure that the audio device (such as speakers or headphones) are turned on and connected to the computer properly.

Other solutions

Check out whether other applications on your computer can play sounds. If they can't:

If Firefox is the only application that you can't hear sound in:

Make sure other applications on your computer can play sounds. If Firefox is the only application that you can't hear sounds in:

If no application can play sounds:

Make sure other applications on your computer can play sounds. If Firefox is the only application that doesn't play sounds:

If you can't hear sounds in any other applications:

  • Make sure that the audio device (such as speakers or headphones) are turned on and connected to the computer properly.
// A következő remek emberek segítettek a leírás megírásában: AliceWyman, Chris Ilias, jscher2000, Underpass, Tonnes, Michael Verdi, scoobidiver, Swarnava Sengupta, successvirus, mluna, user669794, Wesley Branton, Lan, Joni. Ön is segíthet – tudja meg, hogyan.

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