New HD t.v but the picturee is..?

Question

hte picture i blurry when you watch tv or when you play xbox. all im worried about is the xbox. i'm using the colorstream cables all 5 of em and i can see everything fine i know exactly what i'm doing but when you look closely the detail is blurry its hard to explain like the edges of the detail are like sandy or scratchy idk but if you do know what i'm talking abut and have any suggestions please let me know.

Answer 1

It might be better if you use component or HDMI cables.

Answer 2

Check the menu settings for the video.  Most sets have a "game" setting for video inputs.