Checking your display settings
If your desktop is operating in a Microsoft Windows environment, perform the following steps to check that your display has been configured to a 1024 x 768 resolution:
Click on the Start button in the lower left corner of your screen. Select Settings, Control Panel.
Double-click on the Display icon that appears in the pop-up window.
Choose the Settings tab, and then adjust the slider in the Desktop area panel (if needed) until the resolution reads "1024 x 768 pixels".
Click the OK button to save the settings.