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Thanks for helping Jan. I've just bought the 2589LMT. Now will have to go through the registration process.

Last question Jan: Can I download waypoints from Basecamp to the 55? I can't find any mention of that in the manual. I can live without downloading routes but I have lots of waypoints in Basecamp that I need. For me this is crucial.

Thanks Jan. I think the built-in Trip Planner will do the job.

Thank you for the advice Jan. I use the Route Planner frequently on the 3490 i.e. transfer routes from Basecamp to the 3490 (Departure point - via - via - Destination). Has the 55LM the same route planning facility?

I phoned Navworld and they are of the opinion that the internal HD has packed up. As I need a GPS urgently I'm going to buy a 55LM. Hope I made the right choice as that model is not even listed/discussed on this forum.

Thanks for your assistance.

All maps and waypoints are gone connected or not connected to mac. The problem seems to be that the Mac does not see the Nuvi. It only sees the SD card in the Nuvi. I have tried it on another Mac and it also does not see the GPS. Unfortunately I do not have a PC. I have used and connected the Nuvi m...

All of a sudden I experience a problem connecting the Garmin to my computer. I get the following message: "The disk you inserted was not readable by this computer". Then it gives me choices like Initialize, Ignore, Cancel. All my maps and waypoints are gone too. I've using the same compute...

Thanks Jan. Will try that one. The old Nuvi's always came with a installation CD to install the various USB ports. Nowadays that CD is lacking.

Unfortunately I am a Mac user. My older Nuvi's all worked fine on the Mac.

Thanks Joe. I've tried your suggestion but it stays invisible on the computer. All that shows in Finder is the SD card in the Nuvi. Basecamp, however, can read the Nuvi. The reason I want to see the 3490 in Finder (Explorer on Windows PC) is to delete all the files pertaining to routes. I can not fi...