For instance, if you have blocked a website from auto-playing video and audio, such issues may arise. Lack of relevant permissions is another reason why websites fail to play videos on Firefox.

Restart Firefox and check if it can play videos. Uncheck the box for ‘Use hardware acceleration when available.’ Step 2: In the General tab, scroll down to the Performance section. Step 1: In Firefox, click on the menu icon in the top-right corner to open Settings. That said, if you’re having trouble loading videos or if Firefox keeps freezing on you, then it’s best to turn it off. Hence, hardware acceleration comes pre-enabled in Firefox. To access the incognito mode in Firefox, click on the three horizontal lines in the top-right corner and select the New private window.Įnabling Hardware acceleration allows Firefox to improve its visual output by assigning graphics-intensive tasks to your GPU. This loads the website without any add-ons, cache, cookies, or browsing data and help verify if one them causes the issue. Open the website you’re trying to access in an incognito window.

Whether it’s one of the add-ons on your browser or the existing cache data that’s interfering with the video playback, this guide will take you through all the possible solutions to fix the videos not playing issue in Firefox. One such issue is when Firefox fails to play or stream videos. Occasionally, the browser may run into an issue or two. Also, Firefox doesn’t disappoint with its overall browsing experience. Firefox is the go-to web browser for who seek privacy with their browsing activities and data.

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