With the projector running, press the MENU button to open the menu.
Choose the "OPTION" on the menu using the UP/DOWN buttons, then press the RIGHT button or ENTER button.
Choose the "FILTER TIME" using the UP/DOWN buttons, then press and hold the RIGHT button of projector or the RESET button of remote control for 3 seconds.
Choose the "RESET" using the UP button.
If you continue to have trouble, you might need to go into your PC desktop settings to allow for a dual monitor setup. If you still have trouble and your in-house technology person is not able to assist you, please call your representative.