Why are drivers not working in Windows 10 with bootcamp? My colleague has two MacBook Pro 13 (Retina) laptops and has setup Windows 10 through bootcamp on both. The bootcamp wizard has been installed on both but there is a problem with the Thunderbolt drivers on one of them. When an external display is connected via Thunderbolt, it does not display anything until the machine is rebooted. There is a USB device in device manager that has an issue "set address failed" which we suspect is related to the problem.

The hardware is not quite identical... the problem machine is a 2014 MacBook Pro whilst the one that works is a 2015 MacBook Pro. Both are running El Capitan.

Any suggestions?
In case it helps others, I got a response from Apple that it just isn't supported on the 2014 MacBook Pro. Another user on the Apple forum (https://discussions.apple.com/thread/7419574) has confirmed this on his 2014 MacBook Pro.

This post (http://forums.macrumors.com/threads/thunderbolt-hotplug-on-windows-10.1819920/) suggests that it works on a limited number of 2014 Mac computers but not all as the official FAQ suggests.