Want to know what to do when a USB Device Is Not Recognized in Windows 10? USB connection errors, such as Error Code 43 message is very common. This error is caused by faulty hardware, out of date software, driver issue and conflicts. There are a couple of common types of yellow exclamation mark errors, one is the device has no driver and windows don’t recognize the device without it, the device might be named which is a good sign and easier to fix then the later USB problem, where the device is unknown to windows.
