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I have updated firefox & flash, downgraded flash to 10.3 and tried everything but videos still appear as a black screen after months on my macbook running Lion.

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I have had this problem for months now and in the past - usually though upgrading/downgrading and googling I can get videos working again but this time I cannot! Videos will load in chrome and safari and the occasional video will load - such an embedded links from putlocker etc. for streaming. I mostly notice the problem with youtube because nothing will load on there. I just don't know how to fix it now - I have updated firefox again, updated realplayer, updated and downgraded flash... A solution would be highly appreciated!

Additional System Details

Installed Plug-ins

  • Shockwave Flash 10.3 r183
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in web pages. For more information, visit the QuickTime Web site.
  • Displays Java applet content, or a placeholder if Java is not installed.
  • RealPlayer Plugin
  • DivX Plus Web Player version
  • DivX VOD Helper Plug-in
  • Microsoft Office for Mac SharePoint Browser Plug-in
  • iPhoto6
  • The Flip4Mac WMV Plugin allows you to view Windows Media content using QuickTime.
  • Adobe Shockwave for Director Netscape plug-in, version 11.6.1


  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:18.0) Gecko/20100101 Firefox/18.0

More Information