Try the following solutions:
- Make sure the USB cable is connected to the projector's USB Type B port.
- Make sure your computer is configured to work with a USB mouse. See your computer documentation for details.
- Make sure your computer is selected as the source. Press the Computer button on the remote control to select your computer as the source.
- Make sure the USB Type B setting in the Extended menu is set to USB Display.
Note: The wireless mouse function is supported on Windows and Mac OS X systems with a USB port.
Related references
Using the Remote Control as a Wireless Mouse
Projector Setup Settings - Extended Menu
Projector Parts - Control Panel