Fix No Sound in Firefox on Windows 10

Fix No Sound in Firefox

Are you frustrated with no audio content in Firefox? If you are facing Firefox no sound issue in Windows 10, we are here to help you. You may enjoy watching audio and video clips in your favorite browser. However, browsers may be associated with audio problems in your Windows 10 PC.. Firefox is not an exception. If you are facing Firefox sound not working issue, this guide will help you for sure. Continue reading the article to fix Firefox audio not working on Windows 10 issue.

Fix No Sound in Firefox

How to Fix No Sound in Firefox

Mozilla has announced that Firefox won’t play sound if there is any background tab in Firefox (that has audio content) not interacted by the user for a particular time. In another case, Firefox lowers the audio mixer for that specific tab or all other tabs. Their announcement states,

Any playback that happens before the user has interacted with a page via a mouse click, printable key press, or touch event, is deemed to be autoplay and will be blocked if it is potentially audible.

Apart from this, a few other reasons contribute to the Firefox no sound Windows 10 issue. They are listed below.

  • Audio Mixer has been lowered out automatically/unintentionally.
  • Corrupt cache/cookies in Firefox.
  • Conflicting add-ons/themes in the browser.
  • Audio permissions in the browser are blocked.
  • Outdated audio drivers.
  • Firefox installation files are corrupt.
  • Outdated browser.

Nevertheless, you can easily fix Firefox won’t play sound issue by following the troubleshooting methods as instructed below.

In this section, we have compiled a list of methods that will help you fix Firefox sound not working issue. Follow the methods as instructed in the same order to attain perfect results.

Basic Troubleshooting

Before you move to the next section of advanced troubleshooting methods, here are a few basic troubleshooting tricks that will help you fix the Firefox audio not working issue with very simple steps.

  • Reboot the PC.
  • Check if the audio is working well on other Firefox sites.
  • Ensure that no other browsers are utilizing audio utility. Close all other background tasks except Firefox.
  • If you are using the Adobe Flash plugin on your computer, ensure it is up-to-date or try reinstalling it.
  • Try connecting different audio devices.

Still, if you face Firefox won’t play sound issue, you can switch to the below listed advanced troubleshooting methods.

Method 1: Modify Audio Mixer Volume

When you install updates for any application or install any programs, your audio settings may be tweaked, leading to no sound in the Firefox browser. You can manually adjust the volume to higher levels as instructed below.

1. Right-click on the Speakers icon at the bottom right corner of the screen.

Right click on the Speakers icon at the bottom right corner of the screen. Fix No Sound in Firefox on Windows 10

2. Then, select the Open Volume mixer option as highlighted.

select the Open Volume mixer option

3. Ensure that the audio levels are set to maximum for Device, Application, and Firefox audio levels as shown.

Note: You can also adjust the audio levels according to your need.

Ensure that the audio levels are set to maximum for Device, Application, and Firefox audio levels. Fix No Sound in Firefox on Windows 10

Method 2: Run Windows Sound Troubleshooter

You may face Firefox sound not working issues if there are any glitches or bugs in the hardware part. Troubleshooting it will help you resolve the same. Perform as instructed below.

1. Hit the Windows key. Type Troubleshoot settings in the search bar and open it.

Hit the Windows key. Type Troubleshoot settings in the search bar and open it

2. Now, click on Additional troubleshooters as depicted below.

 Now, click Additional troubleshooters.

3. Now, select Playing Sound, which is displayed under the Get up and running section as shown.

select Playing Sound, which is displayed under the Get up and running section. Fix No Sound in Firefox on Windows 10

4. Now, select Run the troubleshooter.

select Run the troubleshooter

5. Select the audio device you want to troubleshoot and click Next.

Select the audio device you want to troubleshoot and click Next. Fix No Sound in Firefox on Windows 10

6. Wait until the scanning process is complete, and then click on Apply this fix. Then, follow the instructions given in the successive prompts.

7. Finally, restart your PC to fix Firefox no sound issue on Windows 10.

Also Read: How to Fix Firefox Not Loading Pages

Method 3: Restart Firefox in Troubleshoot Mode

To fix no sound in Firefox problem, try restarting it in troubleshoot mode. This will disable all the extensions, turn off hardware acceleration, and use default toolbar settings and themes. Doing so will resolve all the browser conflicts. Follow as instructed.

1. Press the Windows key. Type Firefox and open it.

Press the Windows key. Type Firefox and open it. Fix No Sound in Firefox on Windows 10

2. Click on the Application Menu.

click on the Application Menu

3. Select the Help option.

Now, select the Help option

4. Click on Troubleshoot Mode.

Note: You can also press the Shift key while opening Firefox to launch it in Troubleshooting mode.

Then, click on Troubleshoot Mode… Fix No Sound in Firefox on Windows 10

5. Confirm the prompt by clicking on Restart.

In the prompt window, click on the Restart button

6. Again, confirm the prompt by clicking on Open.

confirm the prompt by clicking on the Open button

Note: To turn off troubleshooting mode, follow Steps 1 & 2 and click on Turn Troubleshoot Mode off.

To turn off troubleshooting mode, click on Troubleshoot Mode off. Fix No Sound in Firefox on Windows 10

Method 4: Allow Audio Permissions in Firefox

If the Autoplay audio settings are blocked in Firefox, you may face this issue in new automatic tabs. Here, we have a few short tricks to allow audio permissions in Firefox.

1. Open Firefox browser and click on Application Menu.

Launch Firefox and click on the Application Menu

2. Then, select the Settings option as depicted.

Then, select the Settings option

3. Now, click on the Privacy & Security tab and scroll down to the Permissions section.

Now, click on the Privacy & Security tab and scroll down to the Permissions section. Fix No Sound in Firefox on Windows 10

4. Now, click on the Settings… button next to Autoplay, as depicted above.

5. Select the Allow audio and video option under Default for all websites menu.

6. Finally, click on the Save Changes button.

Then, in the Settings Autoplay window, select the Allow audio and video option next to Default for all websites menu

Also Read: Fix Firefox is Already Running

Method 5: Remove Browser Cache in Firefox

The temporary corrupt browser cache and cookies in Firefox cause no sound in Firefox issue. Here are a few instructions to delete the browser cache in Firefox.

1. Launch the Firefox browser.

2. Then, click on the Open Application Menu icon as shown below.

Then, click on the Open Application Menu icon

3. Then, select the Settings option from the list as depicted.

Then, select the Settings option

4. Now, click on the Privacy & Security tab from the left pane.

5. In the right pane, scroll down to the Cookies and Site Data section.

6. Now, click on Clear Data… option.

In the right pane, scroll down to the Cookies and Site Data section. click on Clear Data… option

7. In the prompt window, uncheck the Cookies and Site Data box and ensure you check the Cached Web Content box, as depicted.

Note: Clearing Cookies and Site Data will sign you out from websites, delete offline web content, and clears the cookies. Whereas clearing Cached Web Content will not affect your logins.

In the prompt window, uncheck the Cookies and Site Data box and ensure you check the Cached Web Content box

8. Then, click on the Clear button to clear the Firefox cached web contents.

9. Now, click on the Manage Data… button as depicted.

Now, click on the Manage Data… button. Fix No Sound in Firefox on Windows 10

10. Type the site name in the Search websites field whose cookies you want to remove.

Type the site name in the Search websites field whose cookies you want to remove

11A. Select the websites and click on Remove Selected to delete selected data.

Select the websites and click on Remove Selected to delete selected data. Fix No Sound in Firefox on Windows 10

11B. In another way, select Remove All to remove all cookies and storage data.

select Remove All to remove all cookies and storage data. Fix No Sound in Firefox on Windows 10

12. Finally, click on the Save Changes button as depicted.

click on the Save Changes button

13. Click Clear Now in the prompt.

Click Clear Now in the prompt.Fix No Sound in Firefox on Windows 10

14. Exit from the browser and reboot your PC.

Method 6: Turn off Hardware Acceleration (If Applicable)

The hardware acceleration settings are intended to carry on any graphical tasks in your browser. If there are any conflicts in the browser, this setting may interfere with the normal process and cause this issue. You can easily resolve them by turning off the Hardware Acceleration option as instructed below.

1. Navigate to the Firefox browser and click on the Menu icon as shown.

Launch Firefox and click on the Application Menu

2. Now, select the Settings option from the drop-down list as shown.

Now, from the drop down menu, click on Settings.

3. In the General tab, scroll down to the Performance menu.

Here, uncheck the Use recommended performance settings as shown. Fix No Sound in Firefox on Windows 10

4. Then, uncheck the following options.

  • Use recommended performance settings.
  • Use hardware acceleration when available 

Uncheck the options Use recommended performance settings and Use hardware acceleration when available

5. Quit the browser by pressing Ctrl + Shift + Q keys simultaneously.

6. Finally, relaunch Firefox.

Also Read: Fix Server Not Found Error in Firefox

Method 7: Update Extensions (If Applicable)

If there are any incompatible extensions in your browser, you will face no sound in Firefox. Updates are released to fix the bugs in conflicting add-ons. Here are a few instructions to update Firefox extensions.

1. As you did earlier, click on the Menu icon in Firefox.

As you did earlier, click on the Menu icon in Firefox. Fix No Sound in Firefox on Windows 10

2. Then, select the Add-ons and themes option as shown.

Then, select the Add ons and themes option

3. Then, click on the gear icon.

click on the gear icon

4. Now, select the Check for Updates option from the drop-down list as shown.

Now, select the Check for Updates option. Fix No Sound in Firefox on Windows 10

5A. If there is an update pending in action, follow the on-screen instructions to update the same.

5B. If the extensions are already updated, it will display No updates found message.

Now, if you found any updates, follow the on-screen instructions to update your extension.

Method 8: Disable Extensions (If Applicable)

If updating Firefox extensions does not fix the issue, try disabling the extensions as instructed below.

1. As instructed in the above method, navigate to the Firefox Add-ons and themes page.

2. Then, toggle off the extensions (for example, Grammarly for Firefox).

toggle off the extensions

3. Repeat the same steps for all the extensions one by one and check which extension is causing you the problem.

Note: If you have found the problematic extension, then select the Remove option as shown to remove it.

Finally, if you have identified which extension is causing you the trouble, click on the three-dotted icon corresponding to it and select the Remove option. Fix No Sound in Firefox on Windows 10

4. Refresh your Firefox browser.

Also Read: Fix Your Connection is not Secure Error on Firefox

Method 9: Update or Roll Back Audio Drivers

The hardware device communicates with the Operating System utilizing device driver files. If there are outdated audio drivers in your PC, you may face this issue. To update the audio drivers, follow the below-mentioned instructions. If updating drivers does not give you a fix to Firefox no sound issue on Windows 10, try rolling back of drivers.

Option I: Update Audio Drivers

1. Type Device Manager in the Windows 10 search menu and open it.

Type Device Manager in the Windows 10 search menu and open it

2. Double-click Audio inputs and outputs to expand it.

Double click Audio inputs and outputs to expand it

3. Now, right-click on the audio card driver e.g. Microphone (2- High Definition Audio Device) and click Update driver.

right-click on the audio card driver and click Update driver

4. Select Search automatically for drivers.

Select Search automatically for drivers

5A. If the driver is outdated, the drivers will be updated to the latest version.

5B. If they are already in an updated stage, the screen displays the following message, The best drivers for your device are already installed.

Now, the drivers will be updated to the latest version if they are not updated. Fix No Sound in Firefox on Windows 10

6. Restart the computer, and check if you have fixed Firefox sound not working issue.

Option II: Roll Back Audio Drivers

Follow these steps to roll back driver updates to fix Firefox sound not working issue.

1. Type Device Manager in the Windows search bar and click on Open as you did earlier.

Type Device Manager in the Windows 10 search menu and open it

2. Double-click on the Audio inputs and outputs from the panel on the left to expand it.

Double click on the Audio inputs and outputs from the panel on the left to expand it

3. Right-click on the audio driver and click on Properties.

Right click on the audio driver and click on Properties

4. Switch to the Driver tab and select Roll Back Driver, as shown highlighted.

Note: If the option to Roll Back Driver is greyed out in your computer, it indicates that your PC does not have the pre-installed driver files or the original driver files are missing. In this case, try other methods discussed in this article.

Switch to the Driver tab and select Roll Back Driver. Fix No Sound in Firefox on Windows 10

5. Click on OK to apply this change.

6. Finally, click on Yes in the confirmation prompt.

7. Restart your PC and check if you have fixed Firefox down and not working issue.

Method 10: Update Firefox

An outdated Firefox not only faces Firefox won’t play sound, but also a few other audios and video issues. Always ensure you use an updated version of browsers to avoid any conflicting problems. Follow the below-mentioned instructions to update Firefox.

1. Open Firefox and click on the Application Menu as shown.

Launch Firefox and click on the Application Menu

2. Now, select the Help option as highlighted below.

Now, select the Help option. Fix No Sound in Firefox on Windows 10

3. Then, click on About Firefox as shown below.

Then, click on About Firefox

4A. If the browser is updated to its latest version, it will display the message Firefox is up-to-date.

If the browser is updated to its latest version, it will display the message Firefox is up-to-date

4B. If the browser is outdated, click Restart to update Firefox option.

After updating Firefox, check if you have fixed Firefox no sound Windows 10 issue.

Also Read: Fix Google Chrome Not Updating

Method 11: Refresh Firefox

The refreshing browser will delete the Firefox Extensions and themes, Website permissions, Modified preferences, Added search engines, DOM storage, security certificate and device settings, Download actions, User styles, and Toolbar customizations. This will help you to fix Firefox no sound issue in Windows 10. Here is how to do it.

Note: All the Firefox profile data will be stored in the Old Firefox Data folder in Desktop. You can restore your Firefox data to your new profile whenever necessary. You can also delete it if you find it unnecessary.

1. Launch Firefox and click on the Menu icon as shown.

Launch Firefox and click on the Application Menu. Fix No Sound in Firefox on Windows 10

2. Now, click on the Help option as shown.

Now, click on the Help option

3. Now, select the More troubleshooting information option as shown.

Now, select the More troubleshooting information option. Fix No Sound in Firefox on Windows 10

4. Now, click on Refresh Firefox… option as highlighted.

Now, click on Refresh Firefox… option

5. Then, click on the Refresh Firefox button as shown.

In the prompt, click on the Refresh Firefox button. Fix No Sound in Firefox on Windows 10

6. Then, click on Finish in the Import Wizard window.

Then, click on Finish in the Import Wizard window

7. Finally, click on Let’s go! option to continue surfing your browsing.

click on the Let’s go option. Fix No Sound in Firefox on Windows 10

Method 12: Remove Firefox Preference Files

All the Firefox settings and data are stored in Firefox Preference files. If there are any conflicts in these files, you will face this issue. No worries. You can easily remove Firefox preference files to fix no sound in Firefox browser issue by following the below instructions.

1. Open Firefox and click on the Application Menu button as shown.

Launch Firefox and click on the Application Menu

2. Now, select the Help option as highlighted below.

Now, select the Help option. Fix No Sound in Firefox on Windows 10

3. Then, select the More troubleshooting information option as shown.

select the More troubleshooting information option

4. Now, click on the Open Folder button under Update Folder as shown.

Now, in the Application Basics window, click on Open Folder under Update Folder. Fix No Sound in Firefox on Windows 10

5. If you have prefs.js files, delete or rename them.

6. Finally, relaunch Firefox and check if Firefox no sound problem in Windows 10 is solved.

Also Read: Fix Chrome Blocking Download Issue

Method 13: Reinstall Firefox

If Firefox is not installed properly or the installation files are corrupt, you will face the no sound problem. To resolve Firefox sound not working issue, you can try reinstalling the browser as instructed below.

1. Press the Windows key and click on the Settings icon.

Press Windows key. Click on the Settings icon.

2. Click Apps.

Click Apps. Fix No Sound in Firefox on Windows 10

3. Scroll down and select Mozilla Firefox.

Scroll down and select Mozilla Firefox

4. Click Uninstall.

Click Uninstall. Fix No Sound in Firefox on Windows 10

5. Again, click Uninstall in the pop-up.

click Uninstall in the pop up

6. Click Yes in the User Account Control prompt.

7. Now, click on the Next > button in the Mozilla Firefox Uninstall Wizard.

Now, click on the Next button in the Mozilla Firefox Uninstall Wizard. Fix No Sound in Firefox on Windows 10

8. If prompted, click on OK and close all the Firefox processes.

If prompted, click on OK and close all the Firefox processes

9. Now, click on Uninstall.

Now, click on Uninstall

10. Finally, click Finish to close the wizard.

click Finish to close the wizard. Fix No Sound in Firefox on Windows 10

10. Type %localappdata% in the Windows search bar and click Open.

Open AppData Local folder. Fix No Sound in Firefox on Windows 10

9. Now, scroll down and click on the Mozilla folder. Then, click on the Delete option as highlighted.

Now, scroll down and click on the Mozilla folder. Then, click on the Delete option as highlighted.

10. Again, type %appadata% in the Windows search bar and open it.

Open AppData Roaming folder

11. Scroll down and click on the Mozilla folder. Then, click on the Delete option as done earlier.

Scroll down and click on the Mozilla folder. Then, click on the Delete option. Fix No Sound in Firefox on Windows 10

12. Then, reboot your PC.

13. Download the Firefox browser from the official website.

Download the Firefox browser from the official website

14. Now, navigate to Downloads and launch the installer file.

navigate to Downloads and launch the installer file. Fix No Sound in Firefox on Windows 10

15. Click Yes in the prompt.

16. Now, click Re-install in the following prompt.

click Re-install in the following prompt

17. Finally, launch a web page and check if you have fixed Firefox sound not working issue.

Recommended:

We hope that this guide was helpful and you were able to fix no sound in Firefox browser. Let us know which method worked for you the best. Feel free to reach out to us with your queries and suggestions via the comments section below.

Posted by

Elon Decker

Elon is a tech writer at TechCult. He's been writing how-to guides for about 6 years now and has covered many topics. He loves to cover topics related to Windows, Android, and the latest tricks and tips.

Leave a Reply

Your email address will not be published. Required fields are marked *