If there is no signal when turning on the BIGASUO Pro302 projector, you can check the solutions below to solve the problem.
Check the status of the power light. If the light is off, you can turn to connect the power cord to the socket, and then press the power button to turn on the projector.
Check whether the lens cover has been removed.
Check the cables are clearly attached and installed as per the User Manual.
Select the correct input source. Press the Source button on the control panel to select the right input source.
Check in the menu section under the Video input signal to make sure that has been set correctly.