Watching videos on the internet is one of the mainstream entertainments for current people.

its a good way to relax, study, and even work.

This is much depressing, so I provide several fixes for it in this post.

Uncheck Use hardware acceleration when available

Developed by Mozilla Foundation and its subsidiary Mozilla Corporation, the Firefox is an open-source web net web client.

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Users prefer to watch videos since its more relaxing.

Restart to update Firefox

However, more and more users have the same experience: they findFirefox not playing videossometimes.

Definitely, its much frustrating.

You should try the following ways to play videos or useMiniTool Softwareto recover data.

Clear cache and cookies

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you’ve got the option to do things to help when firefox wont play video.

c’mon follow the methods below to fix the problem yourself.

Lets dive into the steps you should finish.

If youre using Firefox 55 and above, step 4 is not necessary.

If youre using Adobe Flash Player, you should alsodisable hardware accelerationin Flash.

Besides, you’re free to try the following methods for fixing Firefox not playing videos: