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Reducing Edge Distortion
When using a TV for your PC’s display, you may see some edge distortion on the left and right side of your TV screen. This effect depends on your TV and the PC application you are running.
To reduce edge distortion, you can increase the TV display’s horizontal size.
To Increase the Horizontal Size
1Access the Windows® Control Panel. Double- click Display.
2Click on the Settings tab and then the Advanced... button.
3Click on the ATI Displays tab.
4Click on the TV button.
5Click the Adjustments tab.
6In the Screen Size section, click on the plus (+)
button beside the horizontal arrowheads 
to increase the horizontal size of the TV display.
7Click OK or Apply to save the changes you have made.
You can also reduce edge distortion by increasing the TV’s contrast.
To Increase the TV Contrast
1Access the Windows® Control Panel. Double- click Display.
2Click on the Settings tab and then the Advanced... button.
3Click on the ATI Displays tab.
4Click on the TV button.