1. Use the USB cable to connect the Coast 16 with your computer at first, the indicator light on and the screen shows "No signal".
2. Use the HDMI cable to connect the Coast 16 with your computer, the Coast 16 will display.

Note:

If your computer is a MacBook Air or iMac, please use a Mini DisplayPort-HDMI adapter to offer a HDMI port for your Mac.

If your computer is a MacBook Pro, please use a  Type C-HDMI adapter to offer a HDMI port for your computer.