How to solve the problems “unknown device” errors in the Device Manager?

The USB device or USB adapter needs its own power supply. If your card or USB device is equipped with a network operation “bricks“, try the connection.
Here is a probably - before the USB ports on your PC May, the case misconnected. I have seen that the factory. It is a good idea, which links against specifications. The standard connection red, white, green and black. Not more than 4 bank USB cables.
Device defect. To do not, that all the …