My problem was actually a little different. On an SP2 or SP3 that uses DP for video, I could not view encrypted cable tuner broadcast or record on that device. I didn't try it through an external device, since my goal was to actually view it on my tablet.
Windows 8 - Media Center DisplayPort HDCP support nonexistent
This feedback was provided under Windows 7, however action has not been taken to correct this issue for Windows 8 either.
ERROR:
Display driver error – the video playback device does not support playback of protected content.
ISSUE:
Media Center with a CableCard tuner doesn't work at all on DisplayPort, because DisplayPort is not detected as HDCP compliant by Media Center. CableLabs Certifited DisplayPort as HDCP compliant but Media Center still hasn't been updated and it still thinks that it's not compliant.
REQUEST:
Requesting Microsoft to produce a patch so that DisplayPort is detected as HDCP compliant by Media Center.
Supporting Documentation:
Microsoft Support Article documenting this issue:
http://support.microsoft.com/kb/2392252
CableLabs clarification that DisplayPort is indeed supported:
http://www.cablelabs.com/specifications/ecns/opencablehw/OCUR-N-12.1788-1.docx
Digital Content Protection FAQ listing HDCP compliant connections:
Windows for home | Previous Windows versions | Devices and drivers
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
64 answers
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Anonymous
2014-11-27T19:24:20+00:00 -
Anonymous
2014-11-27T16:27:00+00:00 Yes. You could always see protected content that you purchased on the system you are using. The problem is that you could not view that same content on an attached TV monitor via the mini port (HDMI). If you make that monitor TV your primary display then you can view any content on it since it's now your primary display.
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Anonymous
2014-11-27T16:05:44+00:00 I'm using a desktop, so yes. all the displays are external. and I want to connect them with DisplayPort
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Anonymous
2014-11-27T15:33:14+00:00 If I understand you statement, you are not viewing on the built in display, you are viewing on an externally connected display. Is this correct?
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Anonymous
2014-11-27T12:07:10+00:00 On the Surface Pro go to **devices>project>**and select second screen only. This turns off your laptop screen and makes the monitor the primary screen and protected content is now displayable thru the mini display port..