Hello! It seems like you are experiencing sound issues specifically when playing Facebook videos after updating to Windows 11 and installing Mozilla Firefox. Here are a few troubleshooting steps you can try to resolve the issue:
1. Check Browser Sound Settings:
- Make sure that the sound is not muted within the browser. Click on the speaker icon in the tab that is playing the video and ensure that the volume is turned up.
- Also, check the volume mixer in Windows to ensure that Firefox is not muted or set to a low volume.
2. Clear Browser Cache and Cookies:
- Sometimes, clearing the browser cache and cookies can resolve playback issues. You can do this by going to Firefox settings > Privacy & Security > Cookies and Site Data, then click on "Clear Data".
3. Update Firefox and Windows:
- Ensure that both Firefox and Windows 11 are updated to their latest versions. Outdated software can sometimes cause compatibility issues.
4. Check Sound Settings on Windows:
- Go to your Windows sound settings and make sure that the correct output device is selected and that the volume is not muted or set too low.
5. Try a Different Browser:
- Test if the issue persists in other browsers like Google Chrome or Microsoft Edge. This will help determine if the problem is specific to Firefox.
6. Check Facebook Video Settings:
- Sometimes, the video player on Facebook may have its own settings that could be affecting the sound. Check if there are any specific settings within the Facebook video player.
7. Reinstall Audio Drivers:
- If none of the above solutions work, you may want to consider reinstalling your audio drivers. Go to Device Manager, locate your audio device, right-click, and select "Uninstall device". Then restart your computer to reinstall the drivers.
If the issue still persists after trying these steps, please provide more details about your system and any error messages you may be encountering for further assistance.