On the way to the destination, the screen will be blank, and then the word "CONNECTED” will appear in the red box when the computer and GPS are connected. I have to close and restart it to get back to normal. The only thing it is plugged into is the cigarette lighter, I turn off the phone but it happened anyway. And yes, I updated and registered it. I tried to run a diagnostic check but it kept saying "device not connected". As a (retired) truck driver, I always swore by Rand McNally, never again. RIP Rand McNally
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