Question about GPS
Garmin 1340T boot loop issue. The unit continuously boots and shuts down. i've tried the reset procedures (touching the upper left corner in one case lower right in another case, both without connecting to a usb) and it doesn't help. it continues to loop through the boot process until the battery dies. when i plug it in a usb charger, it starts again. the loop itself lasts about 25-30seconds. the web upgrade software does not see the device, so not possible that way. windows neither. would you have a solution for this? thanks
Unfortunately, there isn't an easy solution for the Nuvi owner as it requires a custom piece of firmware to flash the unit to make it at least boot. This problem is often caused during a failed firmware and/or map update.
It sounds like a file was corrupted. Sometimes it is better to connect the unit up to a PC, delete the old map and then proceed to install the new one. There are so many issues with memory space causing failed downloads and corrupted files.
If the map file is missing, the unit will boot-up OK, it will just say "Map data unavailable" but if the map file or associated map files are corrupted, it can cause the unit to crash. Your PC won't recognize the Nuvi because you have the reach the main screen before the data communication mode routines are accessed.
We've had some success in restoring some of these units by flashing a "fix" firmware in "pre-boot mode" that doesn't try to load the map or map associated files. This should then allow the unit to boot. Once the unit boots, Windows will recognize it and then you can copy a map over to it from the PC. Reboot the unit and then flash it with the standard firmware.
Posted on Feb 24, 2012
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Posted on Jan 02, 2017
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