You need to have MyDrive Connect installed on your computer in order to communicate with your device. If you do not have MyDrive Connect installed, see How do I install MyDrive Connect on my computer?
Make sure that your navigation device is connected
When you start up MyDrive Connect you see the name of your device and the connection status on the main screen.
If your navigation device shows as not connected, check the connection between your navigation device and your computer .