1. Check your projector's zoom and focus settings
2. Consult your projector's user manual for the "native resolution". On your computer go to the Windows Control Panel > Display Settings or Mac System Preferences > Display, to change the video resolution of the computer to match the projector native resolution.
3. If image still does not fill screen properly, change projectors Aspect Ratio setting in it's menu to normal or auto.
4. If the projected image still does not fit the screen properly please email us firstname.lastname@example.org or call us at 800-933-7337 > Option 2, for support.