If only a partial computer image appears, try the following solutions:
Make sure you selected the correct Screen Type setting in the projector's Installation menu for the screen you are using.
If there are margins between the edge of the image and the projected screen frame, adjust the position of the image.
If you have adjusted the image size using the Digital Zoom setting in the projector's Installation menu, perform Image Shift to adjust the image position.
Installation >
Digital Zoom >
Image Shift
Press the Aspect button on the remote control to select a different image aspect ratio.
Check your computer display settings to disable dual display and set the resolution within the projector's limits.
Check the resolution assigned to your presentation files to see if they are created for a different resolution.
When projecting in Content Playback mode, make sure you are using the appropriate Overlay Effect settings.
Operation >
Content Playback >
Overlay Effect
Make sure you selected the correct Projection setting in the projector's Installation menu.