

If you use a hosts file, you can temporarily disable it by renaming it Xhosts. Remove specific entries in the hosts file (advanced users) See Reset Firefox preferences to troubleshoot and fix problems.

Click the menu button and select Options Preferences. In the Menu bar at the top of the screen, click Firefox and select Preferences. For more information, see Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.


General panel Digital Rights Management (DRM) Content setting, Play DRM-controlled content is check marked and that the Google Widevine plugin is enabled. If you have problems playing DRM-controlled content from Amazon Prime, Netflix, Hulu, Disney+ and other streaming services, make sure that your Firefox Options Preferences Settings For more information, see Fix video and audio playback problems on Firefox for Windows and HTML5 audio and video in Firefox.ĭigital Rights Management (DRM) protected videos However, MP4 containers usually depend on platform decoders for AAC and H.264 audio and video streams. Use your system's software package manager and ensure that PulseAudio is correctly installed.įirefox has built in support for open media formats usually associated with MP3, WebM, Ogg and Wave containers. Most Linux distributions now come with PulseAudio pre-installed. The PulseAudio software is required to play any audio from Firefox. If you see a notification saying " To play audio, you may need to install the required PulseAudio software", it means that Firefox cannot find or use PulseAudio. You may need to install the required PulseAudio software
