I've just downloaded NTU 2015.40 using Garmin Express (with the option instal on device and computer) and it failed halfway through. It then reported a newer version of Express was available, which I downloaded and installed then started the download process again. This time it continued using the part downloaded files and giving me the option to instal to the SD card as the map doesn't fit on the Nuvi - but didn't give me the option this time to install to the computer and device.
The download progressed and the map was installed successfully on the Nuvi (3590)/ SD card. However the map did not install in Basecamp - the files are still on my computer in the Garmin Express file but I can find no way or Garmin app to get them into Basecamp.
Also every time i launch Basecamp it starts loading maps (NTU 2015.40) from the Nuvi but when the progress bar gets almost to the end the Nuvi disc and SD card disc are ejected from my Mac. If I don't launch basecamp the disc stay happily mounted all day.
I've tried re-installing Basecamp but it's still ejecting the discs. I've checked the Nuvi and SD card disc in Disc Utility and they are fine.
Any ideas?
Thanks
Mac 10.10.2 Basecamp 4.4.6, Nuvi 3590LM with latest software/firmware.
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