Question about Insignia 42" LCD Flat-Panel HDTV

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No Signal HDMI

I have an Insginia 42" HDTV. I tried hooked up my Comcast box with HDMI cable. I went to select the correct imput on the tv and got No Signal floating around my screen. I know I hooked the cables correctly. There are only so many HDMI ports to pick from. What is this things major malfunction?

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  • Anonymous Feb 06, 2009

    I have just bought a Dell Ultrasharp 2709W 27" Widescreen LCD Monitor. It has has a HDMI input in addition to the main monitor interfaces. Now when i plug my playstation 3 into it (HDMI) it tells me that there's no signal in the port. I was wondering if anyone has any trouble shooting ideas before I call the store i bought it from or even Dell.

    THANKS!



  • kcpowwow Feb 25, 2009

    can hook up my suround sound and my directv reciver,but cant seem to figure out how to hook up my wii..dont know which plug ins to put the cables into...help me

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3 Answers

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I have the exact same setup and issue. (42in plasma & Comcast).
It worked just fine and then one day I had sound but no video feed. Tested the HDMI cable, and it wasn't the problem. Hooked the cable box up with component cables and it worked fine. Either the HDMI port from the TV went bad or the Comcast cable port went bad. How does one replace an hdmi port circuit board?

Posted on May 28, 2013

So, did you have to get the television replaced or the box?

Posted on Sep 21, 2008

Had the problem. Turned out to be a defective hdmi port circuit board.

Posted on Aug 27, 2008

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Posted on Jan 02, 2017

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