samsung 40" lcd tv?

samsung 40" lcd tv?
the picture seems to be too big for the screen im not getting the edge of the picture, can notice it when there is writing on the screen.ive tried zooming in and out tried it on auto wide,16:9, everything i can find on the menu, nothing seems to work anyone got any ideas would be much appreciated cheers. the model number is LE40R87BDX/XEU hope this helps cheers.