1. Make sure that you have the latest version of the Geonaute Software.
2. if the problem persists, manually reinstall the product drivers:
2.1 On your computer, go to the Control Panel, System tab and then open the Device Manager.
2.2 Open the Ports (COM & LPT), right click on the ""Prolific USB-to-Serial Comm Port"" corresponding to your product. Your product is no longer recognised.
2.3 Disconnect and reconnect your product, the drivers will automatically be reinstalled and a pop-up will be displayed.
2.4 Check that the product is recognised in the Device Manager.
3. If you still have a problem, please contact one of our support technicians.