First try another computer cable. if same results, press the "auto image" button on the projector. if that doesn't work, press menu, select settings, then factory reset, and "yes". if you still have the same problem, the eca (main board) is bad.
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First try another computer cable. if same results, press the "auto image" button on the projector. if that doesn't work, press menu, select settings, then factory reset, and "yes". if you still have the same problem, the eca (main board) is bad.