Q:Can't find the usb key when clicking on the quantum magnetic resonance analyzer
 A:Not finding the usb key ,firstly you need to check if your usb key instert into socket or not,if insterted,pls confirm the light of usb key is red or not,if all above is no problem,it signifies the usb key is not matched with the the installed software on your computer,pls contact  our aftermarket staff,we'll solve your problem at the shortest time