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Why does my monitor shut down when i plug in hdtv into hdmi

February 7, 2013 2:47:33 AM

i have an acer aspire x1470 desktop with hdmi output. when i hook up an hdtv (hisense h32k26e) and go to correct input (hdmi1), my computer monitor goes dark. problem is hdtv says 'not support' so i can't see either monitor when they're both plugged in to adjust settings. what do i do?