Route Calculation not possible

Gerry,
Without the make and model of your unit we can't possibly give detailed advice. Most GPS units require that you simply enter the destination and they will navigate you. You can also use Google to research your route before you even get in the car. Good luck

There are settings in the GPS that allow you to pick what type of routes you want to have the unit pick for you. They can be based on time, distance, or least fuel used. You can also do the following: if you know at least part of the route to your destination, and the GPS doesn't pick the particular way you prefer you can just start driving off route. The GPS will realize that you are off route and it will recalculate itself. You can also add "Way Points" to your route that would force the GPS to calculate the route to the way you want it to go.

good day sir

have tou dun a firmware update on the unit

if you have done so can you please send a copy of the route to me please

Werner Trollip
Technical

[email protected] www.garmin.co.za

Office: +27 11 251 9999
DIR +27 11 251 9956
Fax: +27 86 544 3972

Try re-setting your gps by simultaneously pressing the Enter and Page buttons while turning it on if that doesn't work check your firmware i found the latest one v 3.90 would shut off my gps when recalculating v 3.70 is stable Garmin know that the new firmware can cause problems

Lots of burned disc are low quality and files are corrupted. The map is OK because it encoded on the outter layer. But when you try to access navi menu which is encoded on the second layer then it won't work. Buy older original discs, even severely scratch they still retains the file and works fine. Let me know if you need help to down grade to older version. Because new oem version can be expensive. Goodluck.

Hello, I currently own a Garmin quest myself, and some time ago I had some strange problems myself, I am a electronics technician, and I do have a work around for you. I will explain the problems and a cure for you to try, none of the work arounds depend on any parts to be removed.

1. NO RECEIVING SATELLITE TELEMETRY. I beleieve this could be due to a number of reasons, but more so at sometime corrupted telemetry was the problem to fix this,
a turn GPS on when booted (initialised)
b. depress menu
select settings
select Time Setup
when in Time Setup depress MENU
Select SET DATE
Depress OK button
Depress OK button again on the numberic keypad that appears on the screen (DONE)
what this seems to do is resets the internal date/time clock and the unit starts to work again.
the Second workaround is this but takes hours to perform.

Simply turn the Guest on and allow the battery to fully discharge, usually this works to TOTALLY flush the Memory again, but on my unit I have to setup all the maps again, this is easy to perform, but just takes time. I hope this helps you.
phil

Sounds like a major software failure. . .

Hold a finger on the upper right corner of the screen while powering up the unit. This should do a master reset.

The go here to download an update.

IF there is no route guidance it is because the unit is not receiving VSS information from the vehicle.  Confirm that you are getting the VSS info from the correct source and or use Rostra Precision Control's cruise control guide to confirm your VSS wire.  

I was having the same problem and contacted Garmin support.

What I had done was turned off the Basemap that came with the unit. I only had the mapsource map street map on which I had purchased separately.

The technician basically said the unit needed the basemap to "locate itself". Somehow the basemap supports any maps you purchase separately. That seemed odd but once I turned the Basemap back on it calculated the routes and the error message went away.

If you have the Basemap off, try turning it on from the Map Setup - Information window.

Hope this helped.