Green light in USB port not working

Hello can someone please help with green light on my box is not on. My unit fired up one time since I purchased it. I did my research and I will need more assistance with this problem please. I need langmuir team support.

Have you tried Using another usb cable and/or a different USB port on your laptop?

Yes I have tried all that.

might have a dead controller. it should get power from the USB cable even though the main power isn’t turned on.