Garmin approach s3 will not unlock
SOURCE: Garmin NUVI 660 - can not locate satellite
These are the instructions I got from Garmin as how to do the Master reset:
Here are the steps to backing up the
favorites on your unit and then performing the master reset. First, you’ll want
to plug your unit into your computer via USB cable. Once it’s plugged in, you’ll
want to go to My Computer in your start menu or from your desktop and
double-click on the Nuvi. At this point, you should see a few folders, but
you’ll want to double-click on the Garmin folder. Here, you’ll want to look for
the “GPX” folder and you’ll double-click on that. In this folder, you’ll want to
drag and drop the file titled “Current.gpx” to your desktop to copy it. Now you
are able to do the master reset.
To do that, you’ll want to start
with the unit turned off and press and hold on the upper left hand corner of the
touch screen. While holding the touch screen, power the unit on and continue to
hold. You should get a message that asks if you really want to go into
maintenance mode and you’ll want to select “Yes”. At this point, you’ll want to
select “clear user data” and then select “Yes” when it asks you if you really
want to clear user data. Now, the unit should restart and you’ll want to take it
where it has a clear view of the sky and let it sit for up to 30 minutes to
acquire satellites. If after 30 minutes it does not acquire satellites, you can
go ahead and reply back to me.
Either way, once we have your unit
back working again, you can follow the first set of steps again to get to the
GPX folder and drag the “Current.gpx” folder from your desktop to that folder on
your unit. This will replace your favorites.
SOURCE: My Garmin Nuvi 360 lost satellites during use and can't locate
I had the same problem with mine...I shut it down and left it off while giving it a full charge...
SOURCE: Not able to acquire satellite. Garmin stays on
The flip-up internal antenna/GPS receiver is defective and needs repaired/replaced. Please see this link fo rmore info:
http://www.sharc.net/gps_antenna_repair.htm
- Jim
SOURCE: new Garmin approach G5 will
if you havent already charged the batteries, do that first before trying to use it...but it on the charger for a few hours, then take it outside in clear view of the open sky and turn it on...it could take up to 30 minutes to initially acquire the satellites from the off position.
try not to move the gps while its initially acquiring the satellites.
if that fails, let me know and i will help you further, but im sure someone has already told you to take it back, but the new one will do the same thing (if this is new out of the box) and please dont listen to anyone that tells you to do that or tells you to replace the batteries or even an update.
bill
EX 
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