SOURCE: NO RGB SIGNAL - VIZIO HDTV TO LAPTOP
I've been online looking for a solution to this problem and couldn't find a fix until today. I just got off of the phone with a Vizio Tech. He told me that some pc's have a way for the monitor to show the screen externally, and that there's usually a button, sort of like the input option on your TV but its an output button for a laptop in my case. It should look like a picture of a TV in and out of each other. Mine was located on the number four key. I had plugged in my wires and put the TV input on RGB. then on my laptop pressed the function key and number 4 key at the same time and what do you know, I had a picture on my screen. I almost gave up on my vizio but love it even more now. I hope this helps.
SOURCE: can I purchase a replacement screen for my vizio
you can try this place that sells lcd parts shopjimmy but typically the lcd screens cost more than a new TV does.
SOURCE: i hooked up my vizio 22" tv up to my laptop
Check
the tuner i/o board connector there might be a loose connection from
the soccket.
I/O board means input output board, this is where the
antenna and audio video input are pack in.It is just inserted at the
socket..check whethere the connectors are lock properly
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