I just tried to use my Garmin lifetime updater to update my maps. The highways are still there, but all the streets are gone!
I THOUGHT I had backed everything up, but even though I "cloned" the backup files back onto the Garmin 750 nuvi (using Laplink) the streets are still gone.
Does anyone know what can be done? Will I have to ship my Nuvi back to the factory for repair?
I had version 2012.40 on my Nuvi 750. I am trying to update to 2013.10 (Lower 49 states). The last time I tried to do this, it "crashed" after about 45 seconds, and told me to retry. I did that 3 times before giving up.
Well, it is about 4 hours later, and the download has been running for about 10 minutes, with 55 minutes left to go. I hope this fixes it!
P.S. One hour later. Woohoo! They're back!
Good work, Pat, and welcome to The Factory.
In about three months when the next map update comes, it's most likely still possible to install all of North America (vs. 49 states) by deleting unneeded files from your 750. The most bang for the buck comes from deleting voice files. On my 750, I kept the six English language voices but deleted all others. You can also delete the unneeded help and text files. With the current 2013.10 map after deleting unneeded files, I have all of North America on my nuvi 750 and have about 89 MB of free space even with a 19MB file with my Custom POIs.
PS--a lot of folks here prefer Option 2 rather than the Lifetime Updater as it's possibly less crash prone for doing map updates.
Craig, thanks for your encouraging words.
My unit just crashed on me again today. I use it every day, and it has been over 10 days since it crashed, so I was hoping that would not happen again. No such luck!
I checked, and I have 5.3 on the operating system. Where can I find instructions on going back to the 4.9 system that seems to be more robust?
First, some folks find that crashes occur due to a large TripLog. You could see if frequent deletions of the log help you. On your nuvi 750, tap Tools, then scroll down and tap MyData, then Clear TripLog.
Second, discussions of backdating 5.30 to 4.90 can be found here:
Specifically, from the last link above:
...Second, you can use the method described by thrak just above your post by editing the GarminDevice.xml file to fool WebUpdater into thinking you have firmware ealier than 4.9 and allow WebUpdater to install 4.90. I used thrak's method and simply used Window's Notepad to edit the file. Look for SoftwareVersion within a < and >, then change the 530 that follows to something like 480, then save the file. I did find that since GarminDevice.xml is an output file created by the nuvi, it's necessary to edit the xml file and run WebUpdater during the same power cycle; i.e., don't let the 750 turn off after editing the xml file and before running WebUpdater since your edited file will be overwritten with 530 again during your nuvi's boot.
As always, use one of these methods to backdate your firmware at your own risk, especially since I approached my risk tolerance limit when I did this for my 750 and may not know all the risks or limitations to what I've just suggested!
There is risk in a rollback. The nuvi 750 will run fine until about 500 miles in the trip log when it locks up. Rather than roll back to v 4.9, I am simply deleting the trip log from time to time until Garmin comes up with a new firmware update to solve the v 5.3 problem. They know about it because it was pulled from their site.
Also, we do not know whether this problem has to do with the larger and larger map size vs. the available memory. The theory is that the less memory to run the operating system the more likely it is to lock up. I am considering loading the map on an SD card, which is possible with v 5.3.
I had this happen with my old 350. I checked the file on the nuvi, and the map was still there. I exchanged several emails with Garmin, and all they told me was to do the hard reset, and then to send the unit out of warranty to the factory.
I retired it and replaced it with a 760.
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