Nothing wrong with your graphic card you just need to reset your display. Click Start, Control Panel, and select display or Personalization and select Display Settings. Click on Advance settings. There should be a Tab for your card type, select this and click on the button that displays your card name. You can either click on the Identify Monitor button or click on you card name button. Either accept the Easy Setup Wizard and click the go tab or select the quick settings tab and select Display Setup and click on the go button. Select the resolution that reflects your desktop area and click finish. You may need to reboot your computer for the changes to take effect.
