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• Outdated version of Firefox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. Siirry Start menu > Power > Restart kuten kuvattu.

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.

Tapa 1: Päivitä 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. Tuoda markkinoille Firefox browser and then open the menu napsauttamalla three-dashed icon. Valita Apu: kuten alla.

2. Napsauta seuraavaksi Tietoja Firefoxista seuraavasti.

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

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

5. Viimeiseksi uudelleenkäynnistys selaimen.

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

Tapa 2: Laita laitteistokiihdytys pois päältä

Laitteiston kiihtyvyys 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. Tuoda markkinoille Firefox ja avoin ruokalista as before. Select Asetukset, kuten alla olevassa kuvassa.

2. Then, uncheck the box next to Käytä suositeltuja suorituskykyasetuksia alla Suorituskyky Tab.

3. Next, uncheck the box next to Käytä laitteistokiihdytystä, kun se on käytettävissä.

4. Viimeiseksi uudelleenkäynnistys Firefox. Check if Firefox can play videos.

Lue myös: How To Fix Firefox Black Screen Issue

Tapa 3: Poista Firefox-laajennukset käytöstä

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. Tuoda markkinoille Firefox ja se on menu. Tästä, klikkaa Lisäosat ja teemat kuten alla on kuvattu.

2. Napsauta seuraavaksi Laajennukset from the left pane to see the list of add-on extensions.

3. Klikkaa kolme pistettä next to each add-on and then select poista. As an example, we have removed Tehostaja YouTubeen extension in the attached screenshot.

4. After removing the unwanted add-ons, uudelleenkäynnistys 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. Avata Firefox. Siirry Side menu > Settings as you did earlier.

2. Napsauta seuraavaksi Tietosuoja ja turvallisuus from the left pane. It is indicated by a lock icon, kuten alla olevassa kuvassa näkyy.

3. Then, scroll down to the Evästeet ja sivustotiedot vaihtoehto. Klikkaa Puhdas data korostettuna.

4. Next, check the boxes next to both, Evästeet ja sivustotiedot ja Välimuistiin tallennettu Web-sisältö in the pop-up window that follows.

5. Napsauta lopuksi Poista valinta ja Käynnistä uudelleen verkkoselain.

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. Vieraile osoitteessa verkkosivusto where videos are not playing using Firefox. Here, Twitter is shown as an example.

2. Napsauta seuraavaksi Lukitse kuvake to expand it. Here, click on the sideward arrow kuten alla on korostettu.

3. Valitse sitten Lisätietoja kuten alla.

4. Vuonna Sivutiedot -valikossa, siirry Oikeudet Tab.

5. Alla 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. Siirry kohtaan Side menu > Settings> Privacy and Security ohjeen mukaan Menetelmä 4.

2. Vieritä alaspäin Oikeudet and click on Autoplay Asetukset, kuten korostettuna.

3. Here, ensure that Salli ääni ja video is enabled. If not, choose it from the drop-down menu as shown in the image below.

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

Lue myös: Korjaa Palvelinta ei löydy -virhe Firefoxissa

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. Tuoda markkinoille Firefox selaimen ja navigoi kohtaan Side menu > Settings > Yksityisyys ja turvallisuus as explained previously.

2. Alla Evästeet ja sivustotiedot napsauttamalla Hallitse poikkeuksia kuten kuvattu.

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 osiossa.

2. Valitse Remember History Pudotusvalikosta.

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

Allow Pop-Ups

1. Palaa Privacy and Security page että Oikeudet osiossa.

2. Here, uncheck the box next to Estä ponnahdusikkunat kuten alla.

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.

Tapa 7: Päivitä 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. Vuonna Firefox selain, siirry kohtaan Side menu > Help, kuten alla.

2. Napsauta seuraavaksi Lisää: Vianmääritystietoja kuten alla on kuvattu.

3. Vianmääritystietoja page is displayed on the screen. Finally, click on Päivitä Firefox, kuten alla.

Suositus:

Toivomme, että tästä oppaasta oli apua ja sinä pystyit siihen 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.