Why does my tv turn off by itself after a half hour?

Areas of flat colour seem to be unaffected i.e. menu screens. Most noticeable when picture shaded or dark. Looks as if these areas of the screen are "fizzing". No one part of the screen as it moves with the picture. As I said, it suddenly clears...

Every time I turn on my computer or TV after a gap of an hour or two,it looks discolored and dark.It especially happens when I turn it on in the morning just after I wake up.There is nothing wrong with its working.It works normally and gradually when...

I was watching tv and it suddenly just turned off. Ive tried disconnecting it up to an hour and it still will not work. I left it connected for half an hour and it got warm but still doesnt turn on. I want to call direct tv but i want to know if they...

I recieved a Coby 19" LED TV for christmas and after setting it up, it worked fine. After a little bit, it started randomly powering off. The manual said it could be the result of an electrostatic discharge and to unplug it for 30 seconds and plug...

tv was on and working fine when i shut it off then when i went to turn it back on a minute later it started to come on then after a few seconds it shut itself off and keeps doint that everytime i keep turning it back on for last half hour

I parked my car early Saturday morning came out a hour later and it wouldnt start it was cranking like it tryed to start buy just wouldnt turn over.I tried it for a half hour and finally started. Later on that day it died in the middle of the street...