Invoke the Device Manager by using the search charm and typing Device manager. Click on the Device manager icon that appears. Click on the network adapters section to expand it. Right-click the network adapter that does not have a driver imnstalled and select properties to invoke the properties window for the device. The following image is just an example of what you will see in Windows 8.1.
Post the complete PCI\VEN character string and we will be able to identify which wireless adapter is installed in your notebook.