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• Outdated version of Firefox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. Ad quod Start menu > Power > Restart ut pingitur.

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 Incendia, 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. Lorem Incendia browser and then open the Menu strepitando in three-dashed icon. select auxilium ut infra.

2. Deinde, deprime De Firefox ut sequitur.

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

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

5. Denique sileo quod pasco.

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

Modus IV: Illuminationes hardware Acceleratio

hardware acceleratio 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. Lorem Incendia et apertum in menu as before. Select occasusut infra in imagine.

2. Then, uncheck the box next to Usus perficientur occasus commendatae sub Performance tab.

3. Next, uncheck the box next to Usus accelerationis cum hardware available.

4. Denique sileo Firefox. Check if Firefox can play videos.

Item Read; 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. Lorem Incendia atque Menu. Hic, preme in Additiones et Themes ut infra.

2. Deinde, deprime Tractus from the left pane to see the list of add-on extensions.

3. Click in tres dots next to each add-on and then select Remove. As an example, we have removed Enhancer pro YouTube extension in the attached screenshot.

4. After removing the unwanted add-ons, sileo 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. Patefacio Firefox. Ad quod Side menu > Settings as you did earlier.

2. Deinde, deprime Privacy and Security from the left pane. It is indicated by a lock icon, ut ostensum est in imagine inferius.

3. Then, scroll down to the Crustulae ac Site Data optio. Click patet Data ut fert.

4. Next, check the boxes next to both, Crustulae ac Site Data et Conditorio Web Content in the pop-up window that follows.

5. Denique click Aequaliter Nubila et Sileo 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.Visit the website where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. Deinde, deprime cincinno icon to expand it. Here, click on the sideward arrow ut infra illustravimus.

3. Tunc, select magis notitia ut infra patebit.

4. In page Info menu, ad the permissionibus tab.

5. Sub 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. Navigo ut Side menu > Settings> Privacy and Security sicut instructus modum 4.

2. Ad librum permissionibus and click on Autoplay occasusut fert.

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

Item Read; Fix Servo Not Found Error in 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:

Patitur Crustulae

1. Lorem Incendia navigare et navigare to Side menu > Settings > Privacy and Security as explained previously.

2. Sub Crustulae ac Site Data sectionem, deprime curo dictarum excepcionium ut pingitur.

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 section.

2. Choose to Remember History ex occumbo-down menu.

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

Allow Pop-Ups

1. Redire ad Privacy and Security page ad permissionibus section.

2. Here, uncheck the box next to Block pop-up windows ut infra patebit.

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. In Incendia pasco, ad Side menu > Help, ut infra patebit.

2. Deinde, deprime More fermentum Information ut infra.

3. fermentum Information page is displayed on the screen. Finally, click on ut paululum cibi FirefoxUt infra patebit.

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Speramus hunc ducem utile fuisse et posse 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.