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If you do not have a projected image, you may have your multimedia projector set to the wrong input signal. Consult your user's manual and go into your projector menu. There should be an option for Projector Input or something to that effect. Toggle through the different types of inputs: RGB1, RGB2 and Video might be a few of your choices. By trying each of these, you're likely to find your correct signal source. Selecting the correct input source may produce your projected image.