Updating garmin nuvi maps
I can't figure why it didn't give that option in the first place.
A GPS device is only as good as its maps, so you want to make sure that you have the newest, most accurate map data available before you hit the road.
I've done this with success, but on another topic used a European maps on a separate SD card.
Not all features were found with the Euro maps (city searching database was missing) and I'm thinking some base files originally on the GPS were re-located on the SD card.
I looked on this site and it looked like my 760 would support 4GB SD cards.
My nuvi 750 should update to SD identically to your 760 and at the last update (2013.40), I was able to install all of North America to a 4GB SD card.
On the other hand, you could bypass a repeat 2013.40 installation since 2014.10 is due out very soon, possibly even next Tuesday--and with your 4GB card and Garmin Map Updater, you should have no problem with the full map update to the 4GB SD. *map file size for 2013.40 with all of North America: gmapsup1is 1,926,368KB (1.83 GB or 1,972,600,832 bytes) and there are a few other tiny files needed as well.
nüvi 30 series nüvi 40 series nüvi 50 series nüvi 60 series nüvi 200 series nüvi 300 series nüvi 400 series nüvi 500 series nüvi 600 series nüvi 700 series nüvi 800 series nüvi 900 series nüvi 1100 series nüvi 1200 series nüvi 1300 series nüvi 1400 series nüvi 1600 series nüvi 2200 series nüvi 2300 series nüvi 2400 series nüvi 2500 series nüvi 2600 series nüvi 2700 series nüvi 3400 series nüvi 3500 series nüvi 3700 series nüvi 5000 series All Garmin nüvi 30 GPS receivers are supported in Easy GPS.
After reinstalling the lower 49 states on the new 4GB SD card I looked around.
I clicked on reinstall and full coverage of North America came up as a choice and started immediately.
I'm really unclear as to why North America won't fit on your 4GB card unless it's another of the many issues related to Garmin Express.
Long story short--repeat the update using Garmin Map Updater rather than Garmin Express and report back.
It can be a bitter pill to swallow, but it's a price we'd gladly pay to make sure that we actually get where we're trying to go.