Microsoft Xbox 360 Console "picture wont show" Questions

my x box wont show picture but I can hear it it is just probebly the chored, i had my xbox on my computer and the same thing happened i moved it to a tv and the picture showed up

...wont show any picture or sound. on my tv it says.. mode not supported. Here's one possiblility. There should be a switch on the x box cable that goes from High definition output to analog. Try ...

picture and music wont work the sound wont work, and it wont show up on my tv, and i tryed it on a different tv and it still didnt work.. plz help me! Sound like you have a bad A/V cable

...wont show picture, but still has sound. It was working one day and the next day it stopped showing picture. I also had a player get angry for my actions ingame. I have a halo3 edition 360. I tried ...

...wont show picture only sound my xbox 360 is **** a turn it on, it loads up and no picture but i can hear the sound sum1 pls help! just did one of those 1 hour ago running great now X clamp mod , it ...

...picture wont come up on tv my xbox will turn on but it wont show the picture on the tv and i have it set to the right channel Firstly (i know it might sound silly) but is your video cable set to ...

wont put out a picture or make sound when turned my xbox wont put out a picture or make sound when turned on. I have checked the connection and it turns on just fine and appears to be working. turn ...

...wont show picture on the TV, it says no signal, and the controller wont connect to it, it just blinks I'm thinking bad AV cable or bad port on your TV. I assume the Xbox dash board won't come up, if ...

...wont show on my tv,can hear sound but no picture,was showing blurred red screen the day before this new problem happened.i have changed my hdmi cables and even tried the scart lead but no luck .any ...

...wont show picture? my xbox 360 will do everything it has to but will not show picture but another thing is that the three red lights dont come up either. what can i do to fix it? The GPU chip has a ...