On the remote control, press the power button in the top right and you will see the projector start to display after roughly 20 seconds.
To set the projector to duplicate, you'll need to press the Windows key + P at the same time and then a few options will appear on the right side of the screen, You'll need to select Duplicate from here.
For the sound and the display to work you will need to have the connections in the laptop setup like the following image:
Reference: The Green cable is the Sound, the Black cable is the USB and the Blue cable is the Display.
Once you have finished using the projector, please ensure that you turn it off by pressing the power button in the top right once for the warning and press once again to confirm this action .