Hello Catymag,

I have updated two nuvi's with no problem after you help in figuring out the jetmouse and using mapsource. So I get a nuvi 205 follow the same steps and it completes and says data transferred successful. I disconnect the unit and then the nuvi 205 goes through the boot process and then loads maps, I agree to the warning and then I get a message no detail maps found that support routing. The nuvi cannot be used with out them. Can someone tell me what this means and how to fix. I have tried 3 times and same results.

Thanks in advance!
stimpy2300