How to change resolutions.
Windows: Get to the desktop. Minimize any windows in front of it. RIGHT click the desktop and select Properties. Click the Settings tab and near the bottom, drag the slider across to 1024x768. Make sure high colour/16 bit colour/16.7 million colours is selected on the left as well.
Macintosh (evil): Not entirely sure. I think there may be a bar at the bottom of the screen with an icon where you can select resolution. Select 1024x768, high colour, or 16 bit, or 16.7 million colours. If this doesn't work, go out and get a computer that can do more than desktop publishing.