Transform a Nuvi 37xx in a Nuvi 34xx for dummies

**angelozip** · 9th February 2013, 01:41 PM

Originally Posted by kansari

....but later some error message came, while it was restarting the device. I clicked ok and since than there is no logo and the device even doesn't connect to the PC.
I tried again and again restarting and pressing at the same area where G should appear, but nothing happens.
Now my device is like dead. When I restart, it just shows some background light thats all. Please advise.

I had a similar problem to yours, exactly the same symptom: device like dead, not recognized by pc at pre-boot, nothing. There is a hope of entering in pre-boot and install the firmware again , but the timing (moment) of placing and position of the finger on the screen are different procedures that you did before, probably because it is now installed, even that incorrectly, the 3790 firmware with the new position of "LOGO " Garmin, even that are not showing anything. Follow the instructions of the link below in post 73 of this topic by putting your finger in position 35 x 40mm, at the time that some shine appears on the screen. Good Luck! [Only registered and activated users can see links. ]

**kansari** · 9th February 2013, 07:24 PM

Thanks a lot catymag and angelozip for your valuable instruction and timely help. I tried many many times with different fingure positions. Than I gave up and kept the unit in shutdown position for a long time. After that in one try it went into the pre-load mode and started loading. After the successful flushing of the rgn file, I successfully flushed the logo file also.
And now it is back to 3790. Thank you dears for your help.

I just need to know which files should I restore from the folder backup, so that the Garmin service desk will not know about this 3790-->3490 software change.

Thread: Transform a Nuvi 37xx in a Nuvi 34xx for dummies

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