Why does Windows not recognize my USB device as the same device if I plug it into a different port?
因为USB设备描述符没有USBSERIALNUMBER(USBSERIALNUMBER没起作用),导致USB设备换口时生成不同INSTANCEID,被当作是新的设备,而重新安装. YoumayhavenoticedthatifyoutakeaUSBdeviceandplugitintoyourcomputer,Windowsrecognizesitandconfiguresit.Then