5. Turn on the projector and press the “Windows” button next to the Alt button on the keyboard. While holding down the “Windows” button press the “P” key. 6. Select the “Duplicate” option from the four options available on the screen. This will show what is on your monitor to the projector. And the screen will not duplicate. In the display settings, there isn't even the OPTION to duplicate. The only option to duplicate comes through Win + P but choosing duplicate there, the laptop shows the laptop screen (obviously!) but the projector only shows the projector blue screen. If I choose Second Screen Only, it will show on the ... Sep 01, 2013 · Projector EB-470 (Epson) Brand new When I connect the laptop (via VGA) to the projector, there is a blinking on both screens. Windows flashes on either screen for 1 sec and then a black screen flickers on either screen for 1 sec (this cycle repeats permanently until VGA cable is removed).