Question about Garmin Nuvi 350 Car GPS Receiver
I used the Nuvi350 in FMI mode by plugging the Garmin Data cable into the side data port. Worked great! I have removed the data cable but the Nuvi still stays in FMI mode.
Does anyone have a way to return to non FMI mode without resetting the Nuvi back to its factory defaults and losing all my settings?
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Posted on Jan 02, 2017
SOURCE: Garmin Nuvi 760 loses satelite
You may need to buy an additional external GPS receiving antenna. I did for my 750.
Because we love our electronics so tiny, they use an internal antenna. The gold input on the back of it, is for an external antenna available for under $20 from ebay. I used it when I lost reception in NYC, and also in rural areas. The external one has q magnet on it, and you can put it on the roof and have the cord come in your window to the unit (better than arm out window!)
check here - where i bought mine
Posted on Sep 03, 2008
SOURCE: Stuck in Demo Mode
If you can plug the c550 into your computer and pull it up as a drive, you should see a "Demo" folder. Delete this folder, and it MAY fix your unit. If your computer will not see the unit, you will need to send it in for repair. FYI, I am an employee at Garmin, and we always go out of our way to help in any way we can without sending it in for repair. Garmin gives us more latitude to help the customer than any other company I've ever worked for. We don't do anything "just for more money" We don't work on commission, we get nothing out of making the customer pay for a repair.
Posted on Dec 10, 2008
Those are severe symptoms.
A Hard Reset is a good idea after a firmware upgrade.
There are three levels of getting your Garmin 255W's attention and correcting bad habits (ie: not loading maps or locking up).
The first is 'soft reset'. There is a reset button along the bottom of your gps. Push and hold it until it restarts. If you cannot locate your reset button, sliding the power switch to OFF and holding for 8 seconds should do the same thing.
The second method is a 'hard reset' or 'clear all user data', to restore factory defaults.
The Hard Reset procedure has been known to delete your Favorites, so back them up beforehand.
*Note that this will clear all user selected settings on the unit
The third method is a firmware upgrade via Garmin's Webupdater, or the myGarmin site.
Run through these fixes to get your Nuvi running as good as new.
I hope that helps.
Posted on Jan 02, 2010
This unfortunately can happen. The 2xx & 2xxW are known to sometimes have the memory corrupted at turn on. Be glad you didn't lose your map or system software. I can understand your frustration losing your favorites.
The next time, once you have all of the favorites back in, connect your Nuvi to the PC and make a backup of the file "current.gpx" from your gpx folder. This will allow you to make a backup of your favorites.
Posted on Jan 12, 2010
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