Operation method
Check whether the data can be connected by changing the data or changing a data cable.
Check the USB port. If your computer can't recognize the USB disk when it is inserted, it is likely that there is something wrong with the USB port. Try to change a USB port. If the problem is solved, it is the computer port.
Check the background support driver. If you have installed various system support software, you should check whether you have disabled some background services necessary for iPhone support. Of course, if you do prohibit it, just start it.
Install the driver. If the existing iTunes cannot be connected, try to update it, or uninstall all of them and reinstall the latest version of iTunes.