Select the Privacy & Security panel and go to the Cookies and Site Data section.
Click the menu button and select Settings. 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. If the video or audio plays when you disable all extensions, then one of your extensions was causing the problem.If the site works with ad-blocking disabled, you may want to add the site to your whitelist in your adblocker filter.Clear the cacheĭisable interfering extensions or ad-blocking softwareĪd-blocking software, such as anti-banner filters of your Internet Security program, or extensions, such as uBlock Origin or Adblock Plus, can prevent audio or video content from playing. Only versions OS X 10.11 and above are supported. Note: The current version of Google Widevine is no longer compatible with older Mac operating systems such as OS X 10.9 and 10.10.
