This is gonna get moved
I don't go to the tech site but here is my question before it gets moved. I boondock and use Natl Forest CG's 98% of the time. My TomTom which is about eight years old is time for a trip to the she...
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....I read through the Tomtom 910 manual; your Tomtom comes with a memory card (SD memory card) that slides into a slot on the top of your GPS.
To load new map data, you need to copy the new map coverages (as a Tomtom file) into that SD card from, say, your laptop. Then, plug the SD card into your Tomtom, and then turn on the map layer(s) you have just copied into that SD card via Tomtom's menu. I'm unsure which folder on the SD card you need to copy a new map layer into. Perhaps someone here with a Go 910 (or, Go 700 series) would know this. Oh, also, your Tomtom takes a proprietary file format. Easy to make, using a freeware software called GPSbabbel, here--> So, you could convert a GPX file into a Tomtom file easily, then simply copy the file onto the Tomtom's SD memory card from your computer (your computer/laptop will need an SD card reader plugged into it: you can buy these USB pluggable memory card readers at any dollar store, for $2 ~ 3$).
One thing to consider: your Tomtom (being what, ~6+ years old?) could have succumbed to the heat your dashboard generated in summer, and its operations could be wonky now. Our Lowrance GPS suffered this fate some years ago...
To load new map data, you need to copy the new map coverages (as a Tomtom file) into that SD card from, say, your laptop. Then, plug the SD card into your Tomtom, and then turn on the map layer(s) you have just copied into that SD card via Tomtom's menu. I'm unsure which folder on the SD card you need to copy a new map layer into. Perhaps someone here with a Go 910 (or, Go 700 series) would know this. Oh, also, your Tomtom takes a proprietary file format. Easy to make, using a freeware software called GPSbabbel, here--> So, you could convert a GPX file into a Tomtom file easily, then simply copy the file onto the Tomtom's SD memory card from your computer (your computer/laptop will need an SD card reader plugged into it: you can buy these USB pluggable memory card readers at any dollar store, for $2 ~ 3$).
One thing to consider: your Tomtom (being what, ~6+ years old?) could have succumbed to the heat your dashboard generated in summer, and its operations could be wonky now. Our Lowrance GPS suffered this fate some years ago...
