And, the nuvi cannot be used without them. Unit is about 4 months old and always worked fine. Brought in inside tonight to input address of trip and all these dots appeared on screen with words touch dot next to them I did this and it finally said your unit is calibrated? Now I screen freezes pon the message screen and never even get to screen that says where to and view map?
Try a Master Reset:
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To perform a Master Reset on the nuvi 2xx series device:
Note: A master reset
will erase all waypoints or favorites and will restore your unit to the default
factory settings. But who cares if you have problems, right?
The device will automatically reset. Follow the on screen prompts then place
your device in an area with a clear view of the sky until it acquires
satellites.
144 views
Usually answered in minutes!
Pretty much the same as above. Have had unit for just over 5 months and has been workin fine until yesterday. Calibration screen came up when unit powered on then got same message about no detailed maps. Tried using the reset button then holding power button to left for 8 seconds, unit reset both times but got same message each time.
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