[SOLVED] Firefox Won’t Play YouTube On Ubuntu20.04!


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Oct 5, 2021
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Hello everyone. I am new to this forum and this is my first post also. The last couple of days I am facing an issue with my computer. That is Firefox Won’t Play YouTube on Ubuntu 20.04. Guys, I don't know why this is happening and how to fix this issue. Can anyone provide any suggestions for this? Any help will be appreciated.

Welcome to the forums
sounds like your missing a dependency, try..
open terminal type in [or copy/paste from here]
sudo apt install ffmpeg
then enter

Doesn't play at all, or stutters? I ask because I've seen recent complaints elsewhere about stuttering.

And, does it play if you open Firefox from the terminal with:

firefox -safe-mode
You may need to install Ubuntu-restricted-extras also.
sudo apt install ubuntu-restricted-extras
Thanks for replying to all, and the suggestions also. I will try the processes you mentioned and after that, I will reply to you.
sorry just had another thought,,, did you enable DRM in your firefox?
Huh... That's usually what I tell people who have browser bugs on Linux and use Chrome/Chromium. Disable HA and restart your browser (it fixes all sorts of weird bugs). Now with Firefox too?

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