I just bought a 55"(ELDFT551) Element LCD TV. I notice that the screen automatically switches between full screen and a horizontally narrow screen even though in the same TV programm ( non- HD broadcast). The picture is also a bit grainy on standard mode. What are the problems? Any way to improve the situation? Gary Shek

SOURCE: Sony Bravia - Picture in ZOOm Mode

I corrected mine by adjusting my cable settings. It had been set to "zoom" / "wide" mode. I reset to "normal" and now channels look fine again.

SOURCE: dvd is grainy picture

You can use your old on, but I am guessing it doesn't have progressive scan. If it does, make sure to hook it to your TV using a component cable.( RED GREEN BLUE ) Then you will have to hook the audio up seperately with a standard red and white RCA cable. Do nt try to use a standard RCA video cable in the place of a componenet cable. Once you have the compnent (RGB) cable and RCA (RW) cable hooked to the TV, check the DVD menu and make sure it is set to Progressive Scan. If you want the best picture for your HDTV. I highly reccomend a blu-ray disc player. That is the highest quality. There are some prety good upconverting DVD players out there. They take the 480p signal and upconvert them to 720p, 1080i, and 1080p. These have HDMI outputs and connect quickly and easily to the TV you have. Most of them can be purchased for less than 100 bucks. But this would be your second best option. Before you shell out 400 bucks on a blu-ray player, go to a rental company and rent a blu-ray player. Once you see the quality of blu-ray, I think you will run out and buy one!

SOURCE: pixelated lcd tv picture

usually this issue is caused by a week signal issue, those tv's need a stronger signal than an analog tv, i would call the cable company, have them come out and hook a meter to that cable, they may sujest a house amp, usually charge 50 bucks for it

SOURCE: Problems with the picture mode on my samsung 46''

Your TV is in DEMO-STORE MODE.
Go to menu, find Plug & Play option, start it, and when asked, select Home Mode, than Enter and than just Exit.
:-)
Enjoy Your TV!

SOURCE: Vizio 42'' LCD having intermittent fuzzy screen on stdrd channels

you might have an overheating problem- make sure you have adequate ventilation around your tv