How to Fix Firefox Not Playing Videos (2023)

The Mozilla Foundation developed Mozilla Firefox as an open-sourced browser. It was released in 2003 and soon gained wide popularity because of its user-friendly interface and wide range of available extensions. However, the popularity of Firefox declined when Google Chrome was released. Since then, both have been giving tough competition to each other.

Firefox still has a loyal fan base who still prefer this browser. If you are one of them but feel frustrated due to the Firefox not playing videos issue, do not worry. Simply read on to know how to fix Firefox not playing videos.

How to Fix Firefox Not Playing Videos

Why Firefox not playing videos error occurs?

There can be various reasons for this error to occur, namely:

• Outdated version of Firefox
• Firefox extensions & acceleration features
• Corrupt cache memory & cookies
• Disabled cookies & pop-ups

Before, doing any advance troubleshooting, you should first try to restart your PC and check if the Firefox not playing videos issue is resolved or not.

1. Ir para o Start menu > Power > Restart como se representa.

Once the computer has restarted, launch Firefox and check if videos are playing. Hopefully, the issue is resolved. If not, then continue with the below methods.

Method 1: Update Firefox

If you have not installed the latest updates to Firefox, it may lead to issues when you try to play videos on this web browser. There might be bugs in your current version of Firefox, which an update might fix. Follow these steps to update it:

1. Lanzamento Firefox browser and then open the menú facendo clic no botón three-dashed icon. Seleccionar axudar como se amosa abaixo.

2. A continuación, fai clic en Sobre Firefox como segue.

3. In the new window that now opens, Firefox will check for updates. If no updates are available, the Firefox está actualizado message will be displayed as below.

4. If an update is available, Firefox will automatically install the update.

5. Por último, reiniciar o navegador.

If you still face the same issue, try the next fix.

Método 2: desactiva a aceleración de hardware

Aceleración de hardware is the process wherein certain hardware components are assigned specific tasks to enhance the functioning of a program. The hardware acceleration feature in Firefox provides convenience and speed, but it also might contain error-causing bugs. Therefore, you can try to disable hardware acceleration to potentially fix videos not loading Firefox issue as:

1. Lanzamento Firefox e aberto o menú as before. Select Configuración, como se mostra na seguinte imaxe.

2. Then, uncheck the box next to Usa a configuración de rendemento recomendada baixo a actuación Tab

3. Next, uncheck the box next to Use aceleración de hardware cando estea dispoñible.

4. Por último, reiniciar Firefox. Check if Firefox can play videos.

Ler tamén: How To Fix Firefox Black Screen Issue

Método 3: Desactivar as extensións de Firefox

Add-ons that are enabled on the Firefox browser may be interfering with websites and not allowing videos to play. Follow the steps below to disable add-ons and fix Firefox no audio & not playing videos issue:

1. Lanzamento Firefox ea súa menú. Aquí, fai clic en Complementos e temas como se representa a continuación.

2. A continuación, fai clic en Extensións from the left pane to see the list of add-on extensions.

3. Fai clic no botón tres puntos next to each add-on and then select Eliminar. As an example, we have removed Potenciador para YouTube extension in the attached screenshot.

4. After removing the unwanted add-ons, reiniciar the browser and verify if the issue is resolved.

If Firefox not playing videos problem persists, you can clear the browser cache and cookies as well.

Method 4: Delete Browser Cache and Cookies

If the cache files and cookies of the browser get corrupt, it can lead to Firefox not playing videos error. Here’s how to delete cache and cookies from Firefox:

1. Aberto Firefox. Ir a Side menu > Settings as you did earlier.

2. A continuación, fai clic en Privacidade e seguridade from the left pane. It is indicated by a lock icon, como se mostra na seguinte imaxe.

3. Then, scroll down to the Cookies e datos do sitio opción. Prema en Borrar datos como se destacou.

4. Next, check the boxes next to both, Cookies e datos do sitio Contido web almacenado en caché in the pop-up window that follows.

5. Por último, fai clic en claro Reinicia the web browser.

Check if the above method worked to fix the issue of Firefox not playing videos. If not, move to the next solution.

Method 5: Allow Autoplay on Firefox

If you are facing the ‘Twitter videos not playing on Firefox’ problem, then it may be because Autoplay is not enabled on your browser. Here’s how to fix Firefox not playing videos error:

1.Visita o where videos are not playing using Firefox. Here, chilro is shown as an example.

2. A continuación, fai clic no botón Icona de bloqueo to expand it. Here, click on the sideward arrow como se destaca a continuación.

3. A continuación, seleccione Máis información como se mostra a continuación.

4. No Información da páxina menú, vai ao Permisos Tab

5. Baixo a autoplay section, uncheck the box next to Use default.

6. Then, click on Allow Audio and Video. Refer to the image below for clarity.

Enable Autoplay for All Websites

You can also ensure that the Autoplay feature is allowed for all websites, by default, as follows:

1. Desprácese ata a Side menu > Settings> Privacy and Security segundo se indica en Método 4.

2. Desprácese ata Permisos and click on Autoplay Configuración, como se destacou.

3. Here, ensure that Allow Audio and Video is enabled. If not, choose it from the drop-down menu as shown in the image below.

4. Finalmente, reiniciar the browser. Check if the ‘videos not playing on firefox’ issue has been resolved. If it isn’t, read below.

Ler tamén: Corrixir o erro do servidor non atopado en Firefox

Method 6: Allow Cookies, History, and Pop-ups

Some websites require cookies and pop-ups to be allowed on your browser to stream data and audio-video content. Follow the steps written here to allow cookies, history, and pop-ups on Firefox:

Allow Cookies

1. Lanzamento Firefox navegador e navegue ata Side menu > Settings > Privacidade e seguridade as explained previously.

2. Baixo a Cookies e datos do sitio sección, prema en Xestionar excepcións como se representa.

3. Here, make sure that no website is added to the list of exceptions to block cookies.

4. Move to the next step without leaving this page.

Allow History

1. On the same page, scroll down to the historia sección.

2. Choose to Remember History no menú despregable.

3. Move to the next step without exiting the settings page.

Allow Pop-Ups

1. Volve ao Privacy and Security page ao Permisos sección.

2. Here, uncheck the box next to Block pop-up windows como se mostra a continuación.

Once the above steps have been executed, try to play videos on Firefox.

If the Firefox videos not playing issue persists, move to the succeeding methods to refresh Firefox and reboot your computer.

Method 7: Refresh Firefox

When you use the Refresh Firefox option, your browser will be reset, potentially fixing all minor glitches you are currently experiencing. Here’s how to Refresh Firefox:

1. No Firefox navegador, vai a Side menu > Help, como se mostra a continuación.

2. A continuación, fai clic en máis Solución de problemas de información como se representa a continuación.

3. Solución de problemas de información page is displayed on the screen. Finally, click on Actualizar o Firefox, como se mostra a continuación.

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Agardamos que esta guía fose útil e que fose capaz de facelo fix Firefox not playing videos issue. Also, let us know which method worked the best for you. Finally, if you have any questions or suggestions regarding this article, feel free to drop them in the comments section below.