If you are seeing a black screen instead of video on Netflix when connecting your Mac computer to a projector using a VGA cable, this typically points to a video output problem. Use a projector with an HDMI connection. Use Google Chrome, Mozilla Firefox, or Opera to access Netflix while projecting. Use a Windows computer.
Apr 20, 2013 How to play Netflix movies on a data projector from a Mac 3.  Go back to the Netflix site  and it will prompt you to install a plug-in called ‘Silverlight’.  This is because older versions of Safari couldn’t play movies and they needed a plug-in. Thankfully, this older Plug in works with older data projectors that do not have HDCP  data protection. Why doesn't Netflix work with Displayout and HDMI Mar 16, 2011
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How to play Netflix movies on a data projector from a Mac 3.  Go back to the Netflix site  and it will prompt you to install a plug-in called ‘Silverlight’.  This is because older versions of Safari couldn’t play movies and they needed a plug-in. Thankfully, this older Plug in works with older data projectors that do not have HDCP  data protection. Why doesn't Netflix work with Displayout and HDMI