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• Outdated version of Firefox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. Руу оч Start menu > Power > Restart дүрсэлсэн шиг.

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. Эхлэх Firefox browser and then open the цэс дээр дарж three-dashed icon. Сонгох Туслаач доор үзүүлсэн шиг.

2. Дараа нь, дээр дарна уу Firefox-ийн тухай дараах байдлаар.

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

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

5. Эцэст нь, дахин ачааллах хөтөч.

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

Арга 2: Техник хангамжийн хурдатгалыг унтраа

Тоног төхөөрөмжийн хурдатгал 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. Эхлэх Firefox ба нээлттэй Цэс as before. Select Тохиргоо, доорх зурагт үзүүлсний дагуу.

2. Then, uncheck the box next to Санал болгож буй гүйцэтгэлийн тохиргоог ашиглана уу доор Гүйцэтгэлийн таб.

3. Next, uncheck the box next to Боломжтой бол тоног төхөөрөмжийн хурдатгалыг ашигла.

4. Эцэст нь, дахин ачааллах Firefox. Check if Firefox can play videos.

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Арга 3: Firefox өргөтгөлүүдийг идэвхгүй болгох

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. Эхлэх Firefox бас энэ цэс. Энд товшино уу Нэмэлтүүд болон загварууд доор дүрсэлсэн шиг.

2. Дараа нь, дээр дарна уу Өргөтгөлүүд from the left pane to see the list of add-on extensions.

3. Дээр дарна уу гурван цэг next to each add-on and then select Remove. As an example, we have removed YouTube-д зориулсан сайжруулагч extension in the attached screenshot.

4. After removing the unwanted add-ons, дахин ачааллах 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. Нээлттэй Firefox. Руу оч Side menu > Settings as you did earlier.

2. Дараа нь, дээр дарна уу Нууцлал, аюулгүй байдал from the left pane. It is indicated by a lock icon, доорх зурагт үзүүлсний дагуу.

3. Then, scroll down to the Cookies ба сайтын мэдээлэл сонголт. Дээр товшино уу Мэдээллийг арилгах онцлон тэмдэглэснээр.

4. Next, check the boxes next to both, Cookies ба сайтын мэдээлэл болон Кэш хийсэн вэб контент in the pop-up window that follows.

5. Эцэст нь, дээр дарна уу Цэвэр болон Дахин ачааллах 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. зочилно уу вэб сайт where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. Дараа нь дээр дарна уу Түгжих дүрс to expand it. Here, click on the sideward arrow доор тодруулсны дагуу.

3. Дараа нь сонгоно уу Нэмэлт мэдээлэл доор үзүүлэв.

4 дугаартай. Дахь Хуудасны мэдээлэл цэс рүү очно уу Зөвшөөрөл таб.

5. Доор Автоматаар тоглох 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. Руу оч Side menu > Settings> Privacy and Security -д заасны дагуу Арга 4.

2. Доошоо гүйлгэ Зөвшөөрөл and click on Autoplay Тохиргоо, онцолсон.

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. Эцэст нь дахин ачааллах the browser. Check if the ‘videos not playing on firefox’ issue has been resolved. If it isn’t, read below.

Мөн уншина уу: Firefox дээр сервер олдоогүй алдааг засна уу

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:

Күүкийг зөвшөөрөх

1. Эхлэх Firefox хөтөч рүү очно уу Side menu > Settings > Нууцлал болон аюулгүй байдлын as explained previously.

2. Доор Cookies ба сайтын мэдээлэл хэсэг, дээр дарна уу Үл хамаарах зүйлсийг удирдах дүрсэлсэн шиг.

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 түүх Хэсэг.

2. Choose to Remember History drop-down цэснээс.

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

Allow Pop-Ups

1. руу буцах Privacy and Security page нь Зөвшөөрөл Хэсэг.

2. Here, uncheck the box next to Block pop-up windows доор үзүүлэв.

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 дугаартай. Дахь Firefox хөтөч рүү очно уу Side menu > Help, доор үзүүлэв.

2. Дараа нь, дээр дарна уу дэлгэрэнгүй Алдааг олж засварлах мэдээлэл доор дүрсэлсэн шиг.

3. Алдааг олж засварлах мэдээлэл page is displayed on the screen. Finally, click on Firefox-г сэргээ, доор харуулав.

Зөвлөмж:

Энэхүү гарын авлага танд тус болсон гэж найдаж байна 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.