3 If the projector is connected to a power supply , make sure the power is turned on

4 If the projector has the power but the light is still lit , then check whether the projector in standby mode

5 between the video input source , check the video source and the projector video connection cable connections and connectors

6 Make sure that the lens cap is removed

7 . Lamp life has expired

XII. Use the remote control does not work, how to solve ?

1 Confirm the remote control built-in battery and battery power and sufficient

2 confirmed between the projector and the remote control signal receiver window on the remote control , there are no obstacles

3 Check whether the distance beyond the effective use of the projector remote control

4 . Sure there are no open within two meters of the projector 's lamp and other objects may produce infrared interference

5. Some projectors can turn off the remote control signal receiver window on the menu , check the appropriate menu item is closed