Map loading problem with nuvi 350


The map shows highways ONLY.

When I try to look up the map information, the "map info" button under "settings > map" is grayed out.

In a mass-storage mode, I see the map file, along with unlock code, all intact. It just isn't reading the map.

I've tried clearing the user data (press upper right corner of the screen and the power button at the same time), and I've tried rebooting (keep the power button pressed down until it reboots).

I don't remember exactly what I did the last time this happened, but I thought rebooting cleared the problem.

Any suggestion before I call Garmin on Monday?

nüvi 750 & 760