[ Projector ]The unit can't project by using VGA cable on Macbook Air

Please follow below steps to check/adjust :

1) Make sure you use the Apple's original thunderbolt to VGA transfer cable for connection.

2) Make sure the cables is normal and connected well.

3) Reset the device to default setting and try again. Please refer to How to reset the unit to default setting

4) If the issue still exits after setting default, please contact your local technique support center or service center for help. https://www.asus.com/support/CallUs