28 Tháng Sáu, 2021

How to Fix Firefox Not Playing Videos (2023)

How to Fix Firefox Not Playing Videos

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

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  • Outdated version of Firefox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. Đi đến Start menu > Power > Restart như mô tả.

Restart Your Pc

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. Phóng Firefox browser and then open the thực đơn bằng cách nhấp vào three-dashed icon. Chọn Trợ giúp như hình dưới đây.

Go to Firefox Help | How to Fix Firefox Not Playing Videos

KHAI THÁC. Tiếp theo, nhấp vào Về Firefox như sau.

Go to About Firefox

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

Update Firefox dialogue box

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

5. Cuối cùng, khởi động lại Trình duyệt.

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

Phương pháp 2: Tắt tăng tốc phần cứng

Tăng tốc phần cứng 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. Phóng Firefox và cởi mở thực đơn as before. Select Cài đặt, như thể hiện trong hình ảnh dưới đây.

Click on Firefox settings

2. Then, uncheck the box next to Sử dụng cài đặt hiệu suất được đề xuất theo HIỆU QUẢ tab.

3. Next, uncheck the box next to Sử dụng tính năng tăng tốc phần cứng khi có sẵn.

Turn off hardware acceleration for firefox | How to Fix Firefox Not Playing Videos

4. Cuối cùng, khởi động lại Firefox. Check if Firefox can play videos.

Cũng đọc: 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. Phóng Firefox và của mình thực đơn. Tại đây, bấm vào Tiện ích bổ sung và Chủ đề như mô tả dưới đây.

Go to Firefox Add-ons

KHAI THÁC. Tiếp theo, nhấp vào Phần mở rộng from the left pane to see the list of add-on extensions.

3. Bấm vào Ba chấm next to each add-on and then select Hủy bỏ. As an example, we have removed Tăng cường cho YouTube extension in the attached screenshot.

Click on remove firefox extension

4. After removing the unwanted add-ons, khởi động lại 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. Công khai firefox. Tới Side menu > Settings as you did earlier.

Go to Firefox settings

KHAI THÁC. Tiếp theo, nhấp vào Bảo mật và An ninh from the left pane. It is indicated by a lock icon, như thể hiện trong hình ảnh dưới đây.

3. Then, scroll down to the Cookies và dữ liệu trang web Lựa chọn. Bấm vào Xóa dữ liệu như được nhấn mạnh.

Click on Clear data in Privacy and Security tab of Firefox

4. Next, check the boxes next to both, Cookies và dữ liệu trang webNội dung web được lưu trong bộ nhớ cache in the pop-up window that follows.

5. Cuối cùng, nhấp vào Trong sángKhởi động lại the web browser.

Clear cache and cookies on firefox | How to Fix Firefox Not Playing Videos

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.Truy cập trang mạng where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. Tiếp theo, nhấp vào Biểu tượng khóa to expand it. Here, click on the sideward arrow như được đánh dấu bên dưới.

3. Sau đó, chọn Thông tin thêm như hình dưới đây.

Click on more in formation on Firefox browser

4. bên trong Thông tin trang menu, đi đến Quyền tab.

5. Bên dưới Autoplay section, uncheck the box next to Use default.

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

Click on allow audio and video under Firefox Autoplay permissions

Enable Autoplay for All Websites

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

1. Điều hướng đến Side menu > Settings> Privacy and Security như đã hướng dẫn ở Phương pháp 4.

KHAI THÁC. Cuộn xuống Quyền and click on Autoplay Cài đặt, như được nhấn mạnh.

Click on Firefox autoplay settings

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.

Firefox Autoplay settings - allow audio and video | How to Fix Firefox Not Playing Videos

4. Cuối cùng, khởi động lại the browser. Check if the ‘videos not playing on firefox’ issue has been resolved. If it isn’t, read below.

Cũng đọc: Sửa lỗi không tìm thấy máy chủ trong 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:

Cho phép cookie

1. Phóng Firefox trình duyệt và điều hướng đến Side menu > Settings > Bảo mật và an ninh as explained previously.

Click on Firefox settings

2. Bên dưới Cookies và dữ liệu trang web phần, nhấp vào Quản lý ngoại lệ như mô tả.

Click on Manage Exceptions for Cookies in Firefox

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 Lịch Sử phần.

2. Choose to Remember History từ trình đơn thả xuống.

Firefox click on remember history

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

Allow Pop-Ups

1. Quay lại Privacy and Security page đến Quyền phần.

2. Here, uncheck the box next to Chặn cửa sổ pop-up như hình dưới đây.

Click on allow pop-ups on firefox

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. bên trong Firefox trình duyệt, đi tới Side menu > Help, như hình dưới đây.

Open Firefox help page | How to Fix Firefox Not Playing Videos

KHAI THÁC. Tiếp theo, nhấp vào Hơn Thông tin khắc phục sự cố như mô tả dưới đây.

Open firefox troubleshooting page

3. Thông tin khắc phục sự cố page is displayed on the screen. Finally, click on Làm mới Firefox, Như hình dưới đây.

Click on Refresh Firefox

Đề nghị:

Chúng tôi hy vọng rằng hướng dẫn này hữu ích và bạn có thể 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.