Try the following:
This download record includes the i40e Linux. base driver version 2.14.13 for the 700 series devices. Download for Ethernet Port Configuration Tool - ESX. All current software, firmware, and drivers for the Surface Pro 3; including optional WinTab drivers. Links to drivers for other Surface devices are in the Details section below.
Or try iPhone, iPad, or iPod not recognized in iTunes for Windows - Apple Support
Failing that try a full tear down and rebuild of iTunes as set out in Troubleshooting issues with iTunes for Windows updates.
Jan 21, 2016 7:38 PM