My daughter has finally moved back from the UK to Australia. She bought her Garmin nuvi 54LM sat nav and was hoping I can get it working with Aust maps. I've done a lot of reading here and it seams I need to get the IMG file for Aust maps ( downed the un-locked City Navigator Australia & New Zealand NT HERE 2016.20 from here ). I read you just put it in the Garmin folder. I assume the Garmin folder within the Garmin. I have the unit connected to my PC and have put the file (gmapprom.img) in there. I have reset the unit and when switched on it asks me for Country, select Australia. Go to Map, it brings up a map of the area I live but when I try to set it Find a place, Australia is not selectable and all addresses fail. I also tried the same with the file re-named to gmapsupp.img but same result.
I'm new to all this, so must be missing something. Oh, I downloaded Garmins MapInstaller and it sees the unit but get "No unlocked maps were found for this device." so cant continue.
Any help appreciated, thanks.
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