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• Outdated version of Firefox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. До Start menu > Power > Restart як зображено.

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 Запуск Firefox browser and then open the меню натиснувши кнопку three-dashed icon. Вибирати Документи як показано нижче.

2. Далі натисніть Про Firefox як зазначено нижче.

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

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

5. Нарешті, перезапуск браузер.

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

Спосіб 2: Вимкніть апаратне прискорення

Апаратне прискорення 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 Запуск Firefox і відкритим меню as before. Select Налаштування, як показано на зображенні нижче.

2. Then, uncheck the box next to Використовуйте рекомендовані параметри продуктивності під продуктивність Вкладка.

3. Next, uncheck the box next to Використовуйте апаратне прискорення, якщо воно доступне.

4. Нарешті, перезапуск Firefox. Check if Firefox can play videos.

Також читайте: 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 Запуск Firefox і її меню. Тут натисніть Додатки та теми як показано нижче.

2. Далі натисніть розширення from the left pane to see the list of add-on extensions.

3 Натисніть на три крапки next to each add-on and then select Видалення. As an example, we have removed Enhancer для YouTube extension in the attached screenshot.

4. After removing the unwanted add-ons, перезапуск 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. Відкрити Firefox. Перейти до Side menu > Settings as you did earlier.

2. Далі натисніть Конфіденційність та безпека from the left pane. It is indicated by a lock icon, як показано на зображенні нижче.

3. Потім прокрутіть униз до Файли cookie та дані про сайт варіант. Натисніть на Очистити дані як виділено.

4. Next, check the boxes next to both, Файли cookie та дані про сайт та Кешований веб-вміст in the pop-up window that follows.

5. Нарешті, натисніть на Очистити та перезапуск 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.Відвідайте сайт where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. Далі натисніть на Значок замка to expand it. Here, click on the sideward arrow як зазначено нижче.

3. Потім виберіть Більш детальна інформація як показано нижче.

4 В Інформація про сторінку меню, перейдіть до Дозволи Вкладка.

5 Під Автозапуск 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. перейдіть до Side menu > Settings> Privacy and Security як зазначено в Метод 4.

2. Прокрутіть вниз до Дозволи and click on Autoplay Налаштування, як виділено.

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

Також читайте: Fix Server 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:

Allow Cookies

1 Запуск Firefox браузера та перейдіть до Side menu > Settings > Конфіденційність і безпека as explained previously.

2 Під Файли cookie та дані про сайт розділ, натисніть на Управління винятками як зображено.

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 Історія .

2. Choose to Remember History з випадаючого меню.

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

Allow Pop-Ups

1. Поверніться до Privacy and Security page до Дозволи .

2. Here, uncheck the box next to Block pop-up windows як показано нижче.

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 В Firefox браузер, перейдіть до Side menu > Help, як показано нижче.

2. Далі натисніть більше Інформація щодо усунення несправностей як показано нижче.

3. Інформація щодо усунення несправностей page is displayed on the screen. Finally, click on Оновити Firefox, як показано нижче.

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Ми сподіваємося, що цей посібник був корисним і ви змогли це зробити 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.