Crossfire not connecting

Can someone please help me. My crossfire not connecting I received my crossfire about a month ago first day worked well then disconnected never connected again. Usb connection not visible to my laptop changed 2 brand new laptops, manually installed drivers. Kept getting (code 10- this device cannot start). Updated windows, control board light green but not visible.

have you tried a different usb cable?

Yes I got 2 from Amazon didn’t work