Try the following solutions:
- Make sure your computer is configured to work with a USB mouse.
- Make sure a USB cable is connected from your computer to the USB TypeB port on the projector.
- Make sure the source is set to Computer or USB Display. Press the Computer button on the remote control to set computer as the source.
Note: The wireless mouse function is supported on Windows and Mac OS X systems with a USB port.
Related references
Projector Setup Settings - Extended Menu
Projector Parts - Control Panel