Gotcha: Projector Resolutions

For years, XGA resolutions have dominated both notebook displays and digital projectors, making it easy for mobile presenters to use a laptop with their office projector. Now, however, with both business and consumer notebook displays shifting from the 4:3 aspect ratio to 16:9 (and as such, from XGA resolution to WXGA), projectors have failed to keep up: Only a handful of projector models sold today are WXGA.

If your notebook's resolution and your projector's native resolution differ, your image will be interpolated, a process that can introduce unsightly artifacts and distortion, especially in text documents. If your wide-screen laptop lacks a way to toggle among resolutions via a single button, at least make sure that you can adjust the notebook's resolution downward in software to match the native resolution of the projector you're using.

Subscribe to the Power Tips Newsletter

Comments