Howtogeek takes a look on how to change the priority of wired/wireless network cards in Windows
Do you ever plug in your wired network card while your wireless card is still enabled? Ever wonder how Windows chooses which one to use? Here's how to see the default priority and how to change it if you want.How to Change the Priority of Wired/Wireless Network Cards in Windows
Note: there's almost never any reason to change this, as Windows does a good job of choosing the right connection. Still, if you want to tweak it to work differently, this is how you would do it.