I use my tv for a monitor for my imac, the past 3 days my tv screen blacks out for a second or 2 every 30 or so seconds

my tv blacks out every 30 seconds for about a second or 2.just started a couple days ago.I am using an imac, tried new hdmi cord and adaptor, hooked up my pc laptop via hdmi  and no problems has to be the mac
Thanks David

I got an EyeTV Hybrid last week, and all I can say is wow, the image quality is amazing! I hooked up my Xbox 360 and it plays with absolutely no latency, just as they said!
So yeah, get the EyeTV!

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