You should have no problem using the mio. You should see the mil hardware listed, not the device the connected via DIN.
If you need any further troubleshooting assistance with your mio hardware and computer, feel free to drop us a line here:
www.iconnectivity.com/forum
Or create a support ticket here for deeper troubleshooting:
www.iconnectivity.com/forum
Cheers!
-JS