2 i turn everything on dlp tv computer and 32 inch samsung plug the hdmi port into the samsung take it out then plug it into the dlp it will recognize the signal that way once again when the input is changed no signal will be displayed. I had a very similar problem to yours with my 60738 that is if you have your hdmi labeled as pc on your television i solved it by changing the input type selection on the television menu to anything except pc. Mitsubishi dlp home theatre projectors skip to page navigation filter 2 hdmi cable dead pixels little white black dots is a common problem within a projector 45 out of 5 stars refurbished mitsubishi xd550u hdmi dlp projector w remote mitsubishi ex240u dlp projector hdmi add remote and cables. My mitsubishi 62725 dlp hdmi port does not seem to work i have tried the output from my comcast and dishnetwork dvr answered by a verified tv technician
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