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Usually if you did not use the GPS for a long time, it would take quite a while to acquire the satellite. Be patient!. The other reason is to make sure that you are not in covered area, go to outside and try again, it may take as long as 5-10 mins. Good luck!
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As GPS units are used, data is gathered which
helps them acquire satellites quickly at the start of each use. If a device is
used daily it should be able to acquire satellites in a minute or less. Using a
GPS device while it is outdoors with a clear view of the entire sky is the
ideal condition for acquiring satellites. Please know that there can be several
different factors that may cause a GPS unit to not acquire satellites:
If your unit is trying
to acquire satellites for the first time, it may take longer than normal
to establish an initial position. If the unit is powered on and outdoors
with a clear view of the sky this should not take more than 3-5 minutes.
If your unit has not
been used for an extended period of time (more then a month), it may take
3-5 minutes to acquire satellites.
If your unit is indoors,
it may not acquire satellites. Even standing next to a window indoors will
block a majority of the sky which is needed for a device to locate and
lock onto a satellite signal.
If you have just
finished updating the software in your unit or you have performed a master
reset, your unit may take 3-5 minutes to acquire while outdoors as the
data that is used to locate satellites may have been erased.
If your unit has
traveled over 500 miles while turned off or not tracking your travel, it
may take 3-5 minutes to acquire even in ideal conditions.
If your vehicle has a
protective coating on its windshield or electronic devices which interfere
with the unit receiving signal, your unit may need an external antenna* in
order to acquire satellites.
If you suspect this to
be an issue, try taking the unit outside of the vehicle with a clear view
of the sky for 3-5 minutes so that the unit can acquire satellites. If
your unit loses satellites once moved back into your vehicle you will
most likely need an external antenna*.
If your unit is still having trouble acquiring
satellites, please ensure that it has the latest version of operating software
by using our WebUpdater program. Once
your unit is updated please allow the unit to acquire satellites outdoors in a
stationary position with a clear view of the sky.
this is what my navigon says about gettting the gps to connect.
Initializing the GPS receiver
In the upper right-hand corner of the display, the GPS symbol appears. As soon as
data from at least 3 satellites is received, the symbol changes to (GPS Ready). Note: If possible, position the device with a clear line of sight to the sky to successfully
receive messages from the GPS satellites.
Note: GPS initialization requires data from at least three satellites. If GPS data is not
available, the receiver will not initialize.
Note: It can take up to 20 minutes to initialize the integrated GPS receiver for the first
Note: Each time you turn on the device, GPS receiver initialization begins. When GPS
data is available, reception starts within one minute.
If the navigation device has been switched to standby for more than a week, the next initialization
can take up to 10 minutes.
You probably are just in a bad location where satellites are not reachable. All these units work from the same satellites and recieve them the same so it wouldn't matter what brand you have. I highly doubt that the powerlines and cell towers are effecting the transmission.
The idea behind the disk thing (assuming one side is flat and the other has double-sided tape) is for you to be able to mount the disk, with the tape, pretty much anywhere in your car. Once you've found a good spot, clean that area, then peel off the piece covering the sticky tape and stick the disc on to the spot. Once that's done (won't take more than a few seconds), you should now be able to use the suction-cup on the disc (instead of on the windshield).
Either way, that tape is permanent. When they say permanent, they mean permanent. I lived where the outdoor temp was 100+ degrees everyday, and that thing would not come off. Point is, just make sure you mount it where you want it. Just a heads up. :) Good luck!
Disable the WAAS on your unit. A new satellite was launched earlier this year and is causing a problem. This is why Garmin issued a new software update version 3.9. Menu > Setup > System... scroll down to WAAS and disable it. This should get your unit working again but with less accuracy.
Update the software to version 3.9 and leave for about 20 minutes in open area (clear view of sky) so your unit can download the full almanac. This should permanently fix your problem. Once you finish upgrading, go back and enable the WAAS.
to mhotz: You can purchase serial2USB connectors at a computer store. You will have to install the drivers which come with it before it will work. That should solve your upgrade problem.