Why videos are not playing in Firefox?
Disable Add-Ons Use the menu icon in the top right, click on Help, and select Troubleshoot Mode from the sub-menu. Step 2: Select Restart to launch Firefox in Troubleshoot Mode. Try streaming a video in Firefox. If it is playing alright, then it’s one of the Add-ons interfering with the video playback on Firefox. Why can’t I play videos on …