EM-Smart laser marking machine cannot install the driver

1.Problem description:EM-SMART machine cannot use USB to download the driver. Win10 system detects unknown driver, but error code 43 is also displayed.
2.Solution:When installing the driver, the device must be turned on, the USB must be connected to a computer, and then the USB driver must be installed. If this method does not work, try another USB port; plug the USB cable into the computer, and the marking machine is turned on, and then install the USB driver, otherwise the driver installation is complete and it will not be recognized.