Some display issues can be caused by the way the TV is set up. To confirm that this is not the case, please check your TV's settings. For more information about how to check your TV's settings, see the owner’s manual.
In your TV's settings:
Make sure that your TV is set to the same video broadcast system (PAL or NTSC) as your Xbox 360 console. For example, if your Xbox 360 console was purchased in the United States, make sure that your TV supports NTSC.
If your Xbox 360 console is a PAL console, set your TV to PAL 60.
If your TV has a type of picture/motion compensation enabled, disable it. Examples of compensation types include the following:
Dynamic contrast
Automatic compensation
Contrast detection
Light detector
Motion detection
Motion interpolation
Motion smoothing
Note:These features may have different names depending on the make and the model of your TV. To determine whether your TV has these settings, contact the manufacturer.
If your TV's settings are correct, try connecting your Xbox 360 console to another TV to see whether the same display issues occur.
You may also try resetting your TV to its factory settings. For information about how to do this, see the manual that came with your TV.