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• Outdated version of Firefox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. 로 이동 Start menu > Power > Restart 묘사 된대로.

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.

방법 1: Firefox 업데이트

If you have not installed the latest updates to 파이어 폭스, 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. 쏘다 파이어 폭스 browser and then open the 메뉴 클릭하여 three-dashed icon. 선택 도움말 아래 그림과 같이.

2. 다음을 클릭하십시오. 파이어 폭스 소개 다음과 같다.

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

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

5. 마지막으로 다시 시작 브라우저.

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

Method 2: Turn Off Hardware Acceleration

하드웨어 가속 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. 쏘다 파이어 폭스 오픈 메뉴 as before. Select 설정아래 이미지와 같이

2. Then, uncheck the box next to 권장 성능 설정 사용 아래 퍼포먼스 탭.

3. Next, uncheck the box next to 가능한 경우 하드웨어 가속을 사용합니다.

4. 마지막으로 다시 시작 Firefox. Check if Firefox can play videos.

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방법 3: Firefox 확장 기능 비활성화

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. 쏘다 파이어 폭스 및 그 메뉴. 여기를 클릭하십시오. 부가 기능 및 테마 아래에 묘사된 것처럼.

2. 다음을 클릭하십시오. 확장 from the left pane to see the list of add-on extensions.

3. 클릭 3 도트 next to each add-on and then select 제거. As an example, we have removed YouTube 확장기 extension in the attached screenshot.

4. After removing the unwanted add-ons, 다시 시작 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. 열려있는 Firefox. 로 이동 Side menu > Settings as you did earlier.

2. 다음을 클릭하십시오. 개인 정보 및 보안 from the left pane. It is indicated by a lock icon, 아래의 그림과 같이.

3. Then, scroll down to the 쿠키 및 사이트 데이터 선택권. 클릭 데이터 지우기 강조 표시됩니다.

4. Next, check the boxes next to both, 쿠키 및 사이트 데이터 및 캐시 된 웹 콘텐츠 in the pop-up window that follows.

5. 마지막으로 초기화 및 다시 시작 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. 방문 웹 사이트 where videos are not playing using Firefox. Here, 트위터 is shown as an example.

2. 다음으로 잠금 아이콘 to expand it. Here, click on the sideward arrow 아래에 강조표시된 대로.

3. 그런 다음 더 알아보기 아래 그림과 같이.

4. 에서 페이지 정보 메뉴로 이동 권한 탭.

5. 아래의 자동 재생 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. 다음으로 이동하십시오. Side menu > Settings> Privacy and Security 에서 지시한 대로 방법 4.

2. 아래로 스크롤 권한 and click on Autoplay 설정, 강조표시된 대로.

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

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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:

쿠키 허용

1. 쏘다 파이어 폭스 브라우저로 이동 Side menu > Settings > 개인 정보 보호 및 보안 as explained previously.

2. 아래의 쿠키 및 사이트 데이터 섹션에서를 클릭하십시오. 예외 관리 묘사 된대로.

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 연혁 안내

2. 선택 Remember History 드롭 다운 메뉴에서

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

Allow Pop-Ups

1. 돌아 가기 Privacy and Security page ~로 권한 안내

2. Here, uncheck the box next to 팝업 창 차단 아래 그림과 같이.

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. 에서 파이어 폭스 브라우저, 이동 Side menu > Help, 아래 그림과 같이.

2. 다음을 클릭하십시오. 더 보기 문제 해결 정보 아래에 묘사된 것처럼.

3. 문제 해결 정보 page is displayed on the screen. Finally, click on Firefox 새로 고침, 아래 그림과 같이.

권장 사항 :

이 가이드가 도움이 되었기를 바랍니다. 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.