• Make sure your device is set to duplicate or extend the screen. For more info, see Troubleshoot connecting Surface to a second screen or Troubleshoot external monitor connections in Windows 10.

  • Make sure your second display is set to the HDMI input. To check or change the video input settings on your display, check the info that came with your device or go to the manufacturer’s website.

  • Make sure your second display supports HDCP. If you aren’t sure if your display supports HDCP, check the info that came with your device or go to the manufacturer’s website.

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