Will this fix HDCP issues on 1080p projector

Scenario:
iMac 21.5 late 2009 full HD screen

I have a new HDCP compliant BenQ w1050 1080p projector connected via a MDP to HDMI adapter and both Amazon and Netflix consider the HDCP to be incomplete and will not stream HDCP content in HD. They will however do non-HDCP content in HD so it is possible to receive HD and also without an external device connected the HDCP content streams in HD.

I am aware that HDCP is mostly films and that I obviously have a break in the protocol but will this Belkin adapter resolve it? Clearly my cheap one will not but it may not be at fault... I do not know.

Help appreciated.
thanks
Gabriel

Belkin 4K Mini DisplayPort to HDMI Adapter

Belkin 4K Mini DisplayPort to HDMI Adapter

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