Question about Lorex Sg5550cl Home Video Observation System

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I have a lorex sg5550cl that does not want to work. When i turn it on it gives me upwards scrolling bars and no audio, as well as it interferes with my wi-fi. it actually shuts down my wi-fi. and jams my computer. when the wi-fi is turned off it still does not work, just giving me the messed up lines, but if it messes up with my wi-fi, im sure it messes with my neighbors. any one have any suggestions?

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