Different video adapters will handle full screen mode differently. Some adapters will stretch the game display to fully fit the screen, and others will display the game in its "native" size (800x600 pixels) with a black area surrounding the game display. The game cannot change the video adapter settings and how it handles full screen mode. It would probably be best to consult the user's manual for your computer or display adapter for assistance.
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Barbara
Unicorn
Last Day of Work