PROBLEM:

No sound in mozilla?

SOLUTION 1:

Unmute Firefox and plugins

• Open Firefox and play content that should play sound, such as this Firefox video or a Flash video with sound.
• Click the volume icon in the Windows taskbar.
• Click Mixer. The Volume Mixer window will appear.
• Make sure the Mozilla Firefox and plugin (such as Adobe Flash Player) sliders are not muted and are not at the bottom.

Unmute Firefox and plugins

SOLUTION 2:

• For help fixing audio or sound problems, try the audio troubleshooter.
• It might be able to fix audio problems automatically.
• select the Start  button, type Troubleshooting, and then select Troubleshooting from the list of results.
• Under Hardware and Sound, select Troubleshoot audio playback.

SOLUTION 3:

• Open Firefox and play content that should play sound, such as this Firefox video or a Flash video with sound. Right-click the volume icon in the Windows taskbar.
• Make sure the Mozilla Firefox and plugin (such as Adobe Flash Player) sliders are not muted and are not at the bottom