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Good article on ordering the binding of your network adapters. You can have your PC make sure it uses Wired over Wireless if you have both, or IP4 over IP6 if you have both.
Source: http://www.techrena.net/windows/view-change-network-adapter-card-priority-binding-order-windows-7/
Article has steps to check the current priority as well.
Changing Network Cards Priority in Windows:
You can change the network card priority in two ways in Windows:
Method #1:
To start with, I’ll introduce you the easier method first:
1. Go to Control Panel > Network and Internet (View network status and tasks)> Change adapter settings and now you will now be in “Network Connections” window.

2. Now press Alt button and a hidden menu will appear beneath the location bar.

3. Under the Advanced menu, click “Advanced Settings”.

4. You can now see the order of preference in which the connections are accessed by network services.

Use “Up” and “Down” buttons to move a network connection either up or down and thus changing the order of priority of connections.
Method #2:
And now let me introduce you the second alternative method, which is a bit laborious when compared to the first one:
1. Go to the “Network Connections” window by following the step 1 as detailed in the above step.
2. Right-click on the network connections for which you want to change the priority order and choose “Properties”. In my case, I wanted to change the interface metric for my wireless network card and hence I will proceed with the changing priority order for Wireless Network Connection under my network connections.

3. Now choose “Internet protocol Version 4 (TCP/IPv4)” and click on “Properties” button.


Click on “Advanced..” button in the IPv4 properties window.
4. Look for the “Automatic metric” option in the advanced TCP/IP settings window.

5. Uncheck against the “Automatic metric” option and enter some value other than 1 in the filed against “Interface metric” (as 1 will always be assigned to Microsoft Loopback adapter always) as shown:

Click OK and close all the windows.
You have now changed the priority of your network card interfaces.
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