Disabling the wireless adapter of your Windows computer
If your computer comes with a built-in wireless adapter but you need to use a new external wireless adapter, you have to disable your built-in wireless adapter first to prevent conflicts on your network connection. This article will show you how to disable the wireless adapter on your Windows computer.
NOTE: In this example, the Windows Vista/7 operating system is used.
Click the Pearl button.
Right-click on Computer then, select Properties.
Click on Device Manager.
Click the Network adapters category and right-click on the model number of your built-in wireless adapter. Then, click Disable.
Your wireless adapter should now be disabled.