The projection is out of position or not displayed in full, what can I do?

Following options may improve the image performance.
1. Set your projector to the native resolution.
2. Set the optimum refresh rate and resolution. 60Hz is the most suggested optimum refresh rate.
3. Adjust keystone.
4. Perform an auto adjustment by pushing the Auto Adjust button on your projector or remote controller might help to solve this problem.