What should I do if there's no image displayed or I see a 'No Signal' message?

First, check that the power light is on and the projector is plugged into the mains with the socket switched on. Remove the lens cover if you haven't already. Verify that all cables are securely attached according to the manual, and press the Source button to select the correct input source. Finally, check the Menu section under Video input signal to ensure it's set correctly. (Page 20)