Make sure your ScreenBeam receiver and all its cables are securely connected as shown in the diagram. If you have connected using just the USB port on your TV, it is highly recommended that you connect the USB power cable to the provided power adapter, as certain TVs may not supply enough power to properly operate the ScreenBeam receiver. Make sure you have your TV input switched to the same HDMI port as your ScreenBeam receiver. Make sure you have completed the setup steps per the
http://sup.screenbeam.com/setupsb/ website and the display is set to “Duplicate”.