I have a 25 ft run to my projector from a monoprice 4x4 hdmi matrix. I also have that matrix hooked up to two other plasma's. when i turn my lights on full brightness, or kick a fan on the hdmi signal gets lost, and it takes 5-15 seconds for it to come back. Some times I have to turn the lights off for it to come back... This is very odd, as the projector is on a circuit literally by itself. 20 amps, straight from the box. The other gear is basically on it's own circuit, and it's connected UPS. Here's where it gets even stranger, I plugged the projector into a battery backup, and ran it strictly off the backup, not plugged into the house, it won't work at all, as in hdmi won't display a thing. when I plug the battery backup into the wall it works fine? Do i have some kind of odd ground problem? This is driving me nuts. Any ideas?
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3/7/13 at 11:32am