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• Outdated version of Firefox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. Aneu a la Start menu > Power > Restart tal com es 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. Llançament Firefox browser and then open the menu fent clic al botó three-dashed icon. Seleccionar Ajuda com es mostra a continuació.

2 A continuació, feu clic a Quant a Firefox com segueix.

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

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

5. Finalment, reprendre el navegador.

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

Mètode 2: desactiva l'acceleració de maquinari

Acceleració de maquinari 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. Llançament Firefox i obert el menú as before. Select Configuració, tal com es mostra a la imatge següent.

2. Then, uncheck the box next to Utilitzeu la configuració de rendiment recomanada under the Rendiment Tab.

3. Next, uncheck the box next to Utilitzeu l'acceleració de maquinari quan estigui disponible.

4. Finalment, reprendre Firefox. Check if Firefox can play videos.

Llegiu també How To Fix Firefox Black Screen Issue

Method 3: Disable Firefox Extensions

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. Llançament Firefox i la seva menu. Aquí, feu clic a Complements i temes com es mostra a continuació.

2 A continuació, feu clic a Extensions from the left pane to see the list of add-on extensions.

3. Feu clic al tres punts next to each add-on and then select Remove. As an example, we have removed Potenciador per a YouTube extension in the attached screenshot.

4. After removing the unwanted add-ons, reprendre 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. obert Firefox. Anar a la Side menu > Settings as you did earlier.

2 A continuació, feu clic a Privadesa i seguretat from the left pane. It is indicated by a lock icon, tal com es mostra a la imatge següent.

3. Then, scroll down to the Cookies i dades del lloc opció. Fer clic a Esborra dades com s'ha destacat.

4. Next, check the boxes next to both, Cookies i dades del lloc i Contingut web en memòria cau in the pop-up window that follows.

5. Per últim, feu clic a Clear i 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 el where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. A continuació, feu clic al botó Bloqueja la icona to expand it. Here, click on the sideward arrow com es destaca a continuació.

3. A continuació, seleccioneu Més informació com es mostra a continuació.

4. A la Informació de la pàgina menú, aneu a Permisos Tab.

5. Sota la Reproducció automàtica 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. Aneu a la Side menu > Settings> Privacy and Security tal com s'indica a Mètode 4.

2. Desplaceu-vos fins a Permisos and click on Autoplay Configuració, com s'ha destacat.

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

Llegiu també Corregiu l'error no trobat del servidor al 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. Llançament Firefox navegador i aneu a Side menu > Settings > Privadesa i seguretat as explained previously.

2. Sota la Cookies i dades del lloc secció, feu clic a Gestioneu les excepcions tal com es 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 història .

2. Choose to Remember History des del menú desplegable.

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

Allow Pop-Ups

1. Torna a la Privacy and Security page fins al Permisos .

2. Here, uncheck the box next to Block pop-up windows com es mostra a continuació.

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. A la Firefox browser, go to the Side menu > Help, com es mostra a continuació.

2 A continuació, feu clic a més Informació sobre resolució de problemes com es mostra a continuació.

3. Informació sobre resolució de problemes page is displayed on the screen. Finally, click on Actualitzeu el Firefox, com es mostra a continuació.

Recomanat:

Esperem que aquesta guia hagi estat útil i que ho hagis pogut fer 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.