Visual Resources Collection Department of Art and Archaeology, 207 McCormick Hall DISPLAY TOGGLE FOR LAPTOP PROJECTION PC If the projector shows only a blank screen, you need to push a key combination on your PC laptop to synchronize the laptop and projector display. Look for the symbols shown below – your laptop will have one of these symbols, but not necessarily on the F7 or F8 keys. OR The correct key combination depends on your specific machine. Hold down the function key (Fn on the left of the spacebar) and hit the correct F key from the top row. You may need to hit the key combination more than once to get the display on both the projector and the laptop at the same time. MAC If the projector does not automatically detect your Mac, go to System Preferences from the top left Apple icon. Click ONCE on Display, then Detect Displays Select Arrangement and Check Mirror Displays: