Fix Videos Won’t Play In Firefox

Videos Won't Play In Firefox

Videos Won’t Play in Firefox browser is not a difficult issue to solve on our Windows PCs. Many users have come across this problem and have successfully solved it.

If the videos are not playing on your Firefox web browser, then you have landed in the right place. Since Firefox is the second-most used web browsing software, we are coming up with the troubleshooting steps to put an end to this issue.

We load videos on various websites, including YouTube. Whenever we want to watch the videos on Firefox, it keeps buffering or does not load at all.

It may happen when the internet is too slow or Firefox is outdated, or some other else. Whatever it may be, you can solve the Videos Won’t Play in Firefox using the following tricks.

In this post, we will let you know additional information, like tips to avoid this problem.


Videos Won’t Play In Firefox: Problem Overview

Firefox is one of the best web browsers after Google Chrome. Millions of users all over the world are using it as their default browser. We can do different types of web activities on Firefox.

If the videos are downloaded, we can play them on players, such as VLC, etc. To watch online videos or YouTube videos, we have to load them on browsers.

Firefox users can stream their lovable videos on different websites. Some of them are complaining that the videos are not playing or not loading on the Firefox browser.

Even after refreshing the webpage also, they are facing the same issue. In this situation, users are searching for tricks that completely resolve this issue.

Before that, you have to know the reasons that cause the Videos Won’t Play in Firefox. That’s the reason why we are listing them below.

  • Extensions or Add-ons installed on your Firefox.
  • Cache data or browser history
  • Enabled hardware acceleration
  • Unstable internet connection
  • Outdated Firefox browser
  • Faulty Firefox settings
  • Sometimes, the disabled Autoplay option in Firefox also stops video to play.

You have to find why the videos are not playing in Firefox, and after that, apply the best method to fix it.


Videos Won’t Play In Firefox: Related Problems

You can see the Videos Won’t Play in Firefox in multiple scenarios. Let’s check out a few ones, along with the methods to fix them.


Basic Troubleshooting Steps

The wait is over! Just move to the following paragraphs and apply the primary tricks to solve this Videos Won’t Play in Firefox.

  • Reload the Webpage

When we are surfing the internet or loading videos, we face many problems, such as Page Not Found, etc. Whatever the error might be, the first action from your side is reloading the webpage.

Click the “Reload this page” icon placed beside the Address bar to load the site again. Now, you can check the videos are playing or not. If the videos are not loading successfully, then use the following steps.

  • Close Other Tabs

Some users load dozens of websites on multiple tabs at the same time. It slower the internet speed and can’t load the webpages faster.

In case if you are doing the same while playing the videos, then it’s your fault. To overcome this issue, you have to close unnecessary tabs opened on your Firefox. After that, play your favorite videos on sites or YouTube without any interruptions.

  • Check the Internet Connection

Without a proper internet connection, we neither open the website nor play the videos on the browser. In case if the internet speed is slow or disconnects repeatedly, then we come across these kinds of problems.

Therefore, we suggest you connect your PC to a reliable and faster internet connection. If you are using public hotspots, then switch to your cellular data to avoid these issues.

  • Restart Your Computer

One of the older methods that help most Windows users is rebooting the PC. It will resolve different kinds of Windows issues. So, we suggest you try this method whenever you encounter Videos Won’t Play in Firefox.

  1. Click the Start menu or Windows icon -> Select Power -> Click Restart option.

After restarting your computer, test the videos are playing on your Mozilla Firefox or not. If the videos are not loading or buffering for more time, then move to the next sections.


Steps To Fix Videos Won’t Play In Firefox Issue

If you are browsing this section, then it means the above basic ones will not fix your problem. Don’t worry! You will definitely solve the Videos Won’t Play in Firefox issue with the below-advanced methods.


  • Step 1

Disable Hardware Acceleration

Is hardware acceleration enabled on your Mozilla Firefox? Then it would cause the Videos Won’t Play In Firefox on your Windows PC. Don’t think too much! You can fix it easily by disabling the hardware acceleration feature.

  1. Open the Firefox browser on your computer -> Go to the right-end corner and click the Menu icon (three vertical bars) -> Click Options.
  2. Under the General settings, locate the Performance section.
  3. After that, disable the Use recommended performance settings option by unchecking the box.
  4. In the next step, uncheck the Use hardware acceleration when available option.

Open the videos on websites or YouTube and see that they are playing or not.


  • Step 2

Remove Cache and Cookies

Don’t you have the habit of clearing the cache, cookies, or browser history on your Firefox? If you say Yes, then this will lead to the Videos Won’t Play in Firefox error.

It not only benefits in playing the videos error-freely but also increases the loading speed or improves the browser performance.

  1. On your Firefox browser, go to the Menu and choose Options.
  2. You have to open the Privacy and Security and find the Cookies and Site Data section.
  3. In order to remove the browser history, click the Clear Data button.
  4. Check the checkboxes of Cookies and site data & Cached web content.
  5. Finally, click the Clear button.

It will completely delete the cache and cookies from your Mozilla Firefox. After that, choose the video that you want to play and watch them on your Firefox.


  • Step 3

Disable Extensions

To block advertisements, pop-ups, promotions, and other kinds of unknown apps, we use AdBlockers on our browsers. At the same time, we install antivirus extensions to protect our privacy and system security.

But sometimes, these extensions or add-ons will start causing many errors. According to some users, they have fixed Videos Won’t Play in Firefox by disabling the extensions.

  1. From the Menu list, select Add-ons.
  2. You can see multiple tabs on the left-sidebar, and in that, click Extensions.
  3. To disable the extension, click the Disable option placed next to it.
  4. After disabling each add-on, play the video and see the error appears or not. By this, we will get to know the problematic extension installed on our browser.

If you didn’t find any issues with the extensions, then check out the next methods that can solve them.


  • Step 4

Update Mozilla Firefox

Even an expired/older Firefox trouble the user while surfing the web on our Windows PCs. Check for the latest Firefox version and install them to keep it up-to-date.

  1. Launch Mozilla Firefox -> Click the three bars at the right-side corner -> Select Help.
  2. From the drop-down menu, click About Firefox.
  3. Thus, it will check for the latest releases and downloads them automatically.
  4. After that, go with the Restart to Update Firefox option and follow the on-screen steps to finish it.

Once you complete the update process, check the videos are playing perfectly on your Firefox.


  • Step 5

Turn On Autoplay

A few Firefox users have suggested that disabling the Autoplay option will fix the Videos Won’t Play in Firefox issue. To turn off the Autoplay feature, use the below instructions.

  1. Open the video on your Firefox.
  2. Go to the address bar -> Click the lock icon placed at the starting of the website URL -> Turn on the Autoplay option.
  3. Finally, save the modifications.

Now, reload the webpage and watch the videos without any errors.


  • Step 6

Refresh Firefox

If the above methods didn’t solve your issue, then refresh Firefox on your Windows 10. It will restore the default settings of Firefox. So, before resetting the browser, save the bookmarks or other essential data.

  1. Launch Mozilla Firefox on your computer.
  2. Click Menu -> Choose Help -> From that, select More Troubleshooting Information.
  3. You can see the Refresh Firefox button on the screen, so click on it.
  4. It immediately pops up a window, and in that, click Refresh Firefox.
  5. After that, click the Finish button.

If everything is completed successfully, you can load or play the videos without seeing these error messages.


Tips To Avoid Videos Won’t Play In Firefox

  • Mozilla Foundation and Mozilla Corporation release the latest versions frequently. It’s your duty to check for the new editions and update the Firefox to avoid these kinds of errors.
  • Daily, after finishing your web browsing, clear the cache and cookies to load the sites and videos without any issues.
  • Before installing plugins on your Firefox, check whether they are compatible with your browser or not.
  • Make sure your internet connection is good and have no interruptions to play the videos without breakdowns.


Contact Official Support

We have given those methods that surely resolve the Videos Won’t Play in Firefox. Are you still facing the Videos Won’t Play in Firefox even after trying all the methods?

In this case, open Mozilla’s official forums and communities. Look for any other tips to fix it, or post the comments in these communities to get answers from experts. Also, try uninstalling and reinstalling Mozilla Firefox to overcome this problem.

If no one replies to your question, then directly communicate with the Mozilla Support Team. You need to explain the problem that you are facing and ask them for help to resolve it.

The expertise technical team will assist you in fixing the issue and make the videos load without errors.


Final Words: Conclusion

In conclusion, I would like to say that Firefox includes extraordinary features that benefit us in surfing the internet easily and quickly. If we ever come across issues while browsing, Mozilla provides many ways to fix them.

In the same manner, we have several methods to solve this Videos Won’t Play in Firefox. One or other tricks that are given in this guide tries to resolve the problem completely.

If you have your own hacks, then share them with us through this troubleshooting guide. You are also welcome to ask queries by leaving the message in the comment section.

  • Post last modified:September 11, 2021
  • Post category:Web Browsers
  • Post comments:0 Comments

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