Nuvi Pre-boot Mode

**action66** · 12th July 2014, 04:15 AM

My unit isn't bricked. Everything works except it won't be seen by my PC to do updates.

(I have 4 units, all with this problem, one is pin locked and I don't know the pin my sister used and she doesn't remember it, and lost all paperwork in Sandy when her house was washed away, one has a white screen, and the last one works but won't charge or access usb.)

I can't get into any diagnostic screen that lets me turn on the mass storage option instead of auto detect, and using updater.exe says that there are no updates for my unit. I think the firmware is corrupt and I want to wipe the unit and reload it with the factory load. But, can't get into USB mode to even start.

**Neil** · 12th July 2014, 04:50 AM

Originally Posted by action66

My unit isn't bricked. Everything works except it won't be seen by my PC to do updates.

Have you got Garmin USB drivers loaded? [Only registered and activated users can see links. ] and [Only registered and activated users can see links. ].

(I have 4 units, all with this problem, one is pin locked and I don't know the pin my sister used and she doesn't remember it, and lost all paperwork in Sandy when her house was washed away,

[Only registered and activated users can see links. ].

one has a white screen, and the last one works but won't charge or access usb.) .........

I assume that's the one you've posted about here: [Only registered and activated users can see links. ].

**fyrlmco** · 31st January 2015, 09:40 PM

OK, so I couldn't get any of the fixes to work, couldn't even get my unit to be recognized by my PC. But I left it plugged in to a charger for a couple of weeks - AND IT CAME BACK TO ITS FULLY NORMAL & OPERATIONS STATE. There is no rational explanation for this I can imagine - other that just dumb luck.

**mayamagic** · 8th March 2016, 01:00 AM

Originally Posted by frames69

Steps used to access pre-boot
3. turn off the gps by press power button ~7 sec
4. turn back on, while the garmin logo is showing, put your finger on top of "RM" area, when you should see the word "system" flashing, plug in your USB cable right away, now the updater should recognize the device. But make sure you click OK fast enough, before the "system" went away. I've been trying this whole day, finally figure out.

taken from:
[Only registered and activated users can see links. ]

firmware used:
nuvi37xx_GCDFile__430.cgd

and lastly:
Garmin Cure 3 used to do the flash... Tool was very easy and worked flawlessly!!

Where did you find the firmware file?
I accidentally formated nuvi 1350 and now its not detected by PC. I have back up of the files in the gps.
I want to try GarminCure 3 but i need the firmware file. HELP!!!

**catymag** · 8th March 2016, 01:32 AM

Originally Posted by mayamagic

Where did you find the firmware file?
I accidentally formated nuvi 1350 and now its not detected by PC. I have back up of the files in the gps.
I want to try GarminCure 3 but i need the firmware file. HELP!!!

You can find firmware here:

Code:

Please Login or Register to see the links

But be sure to flash the right HWID firmware or you can brick it forever
There are two firmware versions for 13XX:

Code:

Please Login or Register to see the links

or

Code:

Please Login or Register to see the links

[Only registered and activated users can see links. ]
Read point #3, or if you have garmindevice.xml in your backup point#1.

**Neflecrush** · 4th October 2017, 07:30 PM

Hi
have a Garmin 2599.
it worked to see the Nuvi finally in updater.exe. but for very short time.
then when I clicked on "OK" a popup appears saying:
"The Garmin device is not responding. please ensure following and try again:
1. The Garmin device's Interface option is set to Garmin or Host mode
2. the cable is connected to the correct serial port
3. the GARMIN device is turned on."

updater.exe is started as admin and under compatibility mode xp sp3.
any ideas?
during map update cancelled the device started the boot loop...

thanks all

**Butters** · 4th October 2017, 11:51 PM

@Neflecrush
Answered you over here: [Only registered and activated users can see links. ]. Best not to cross-post, creates confusion sometimes.

**Castus** · 15th January 2018, 11:50 PM

Hi! Please help - how to enter pre-boot mode on nuvi 3597?

**Butters** · 16th January 2018, 01:01 PM

With the device fully OFF (not in standby) power it on and place your left thumb on and over the G in 'GARMIN' immediately it appears on the screen. If you get the timing right you'll see 'Loader' appear in the upper part of the screen. You may have to try a few times, placement and timing is critical.

**Castus** · 16th January 2018, 06:27 PM

Originally Posted by Butters

With the device fully OFF (not in standby) power it on and place your left thumb on and over the G in 'GARMIN' immediately it appears on the screen. If you get the timing right you'll see 'Loader' appear in the upper part of the screen. You may have to try a few times, placement and timing is critical.

Nothing =(

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