Once you know windows isn't working against you then you can be more confident in troubleshooting driver\settings issues. will show you the usb device profiles and allow you to remove them. This is similar to how simply removing\re-adding a printer connection without removing the drivers or settings will not always solve a problem because windows is trying to be "efficient" and using the existing driver\settings for the new printer (that it recognises as the old printer). When a device has corrupt drivers and is successfully tested in multiple usb ports, all those ports will create and maintain the hardware profile for a non-functioning device\driver combination. if that device is moved to a different port a new hardware profile is created. When a new device gets plugged into a usb port windows builds a hardware profile of that specific device plugged into that specific usb port. With respect to the other replies, you should also look at your stored usb device profiles.
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