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I found that if you open out the receiver at the back and make sure it is touching the windscreen it works for me. If not I don't get a signal. It is worse in one of our cars because it has a heat reflective windscreen.
Contact (I believe its Garmin for that model). I think you will have to buy another copy of their software. If your maps are more than a year old, they are due for an update anyways.
You can not update the official Navman maps on this device. You can however
unlock the iCN520 and install other GPS software on it. The iCN520 can run virtually all the major GPS software available today; from Tomtom to Miomap and beyond.
Instructions on
how to unlock the iCN520 can be found at:
Once unlocked you can even install games, emulators and several PPC applications. With Coreplayer installed you can watch movies and listen to mps3 from the Navman.
Example of an iCN520 running Tekken 3(do not delete)
I had this problem when I completely deleted the Backup folder from \My Flash Disk.
Restoring the backup folder allowed the 520 to operate properly again.
It is possible that you have a corrupted APPStartupSec.exe application. Without this file working it appears that the NAVMAN waits in USB mode for ever!
1) it is a software problem, in this case you can solve it downloading and installing a firmware update. You can download latest software from here. This is most likely situation.
2) If the above did not work it means that you have an hardware problem, probably the touchscreen is slightly faulty, or the lcd ribbon cable is not well connected. In this case I suggest to take the navman to service.
You can unlock the iCN520 and install other GPS software on it. The
iCN520 can run virtually all the major GPS software available today;
from Tomtom to Miomap and beyond.
Instructions on
how to unlock the iCN520 can be found at:
The CD is not available for download from Navman it seems, but you can get it at thepiratebay.com. Just search for 'navman icn' and you'll find what you need, I just did. Better learn how to download torrents though! :)
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