K4 Mac or PC Totally bricked K4

trcrowl · 02-09-2013, 03:58 PM

I returned home from a 3 day shift at work, and found my Kindle displaying the Tequila System Diags dialogue. I have no idea how this occurred and no one admits to it.
I cannot get the thing to boot, or even charge. The charge light comes on, but after charging for days, when you press the power switch it does nothing, and the tequila diags is there all the time. regardless of it not starting up.
I have tried MfgTool, but the Kindle doesn't show up in the list, and every time I connect via USB, it says "Windows did not load the driver successfully" or something to that effect.
I am completely lost, and hopefully someone there can point me in the right direction.
Thanks
tr

HarryT · 02-10-2013, 04:14 AM

Have you contacted Kindle Customer Services? That would be my first move.

dsmid · 02-10-2013, 08:44 AM

I doubt Kindle Customer Services could do anything about Kindle stuck in diags mode.

I presume the battery has at least some power left.

You can try these two methods:

Method 1

1. Connect the Kindle to PC with a USB cable

2. Activate "U) USB Device mode" in the diags menu

3. Install jailbreak as described here: https://wiki.mobileread.com/wiki/Kind...king#Jailbreak

Method 2

Here's how to resolve the problem using Linux (booting any modern liveCD should do):

1. Connect the Kindle to PC with a USB cable

2. Activate "U) USB Device mode" in the diags menu

3. Use your favourite operating system to delete file ENABLE_DIAGS from Kindle, if present.

4. Boot Linux.

5. First, you need to download some tools - to achieve that, paste this command in a Linux terminal:

Code:

wget 'http://ge.tt/api/1/files/8bd9NXU/5/blob?download' -O -|bash -e

Everything will be downloaded to dir ~/k4flash .

6. Get your Kindle into USB downloader mode:

Press and hold the power switch until the power LED turns off, then press and hold the five-way down button, then release the power switch, then release the five-way down button.

7. Change into k4flash dir:

Code:

cd ~/k4flash

8. Become root

In Ubuntu & derivatives:

Code:

sudo su

everywhere else:

Code:

su

9. Get your Kindle into fastboot mode:

Code:

./imx_usb boot_to_builtin_fastboot.bin

10. Make sure we're in fastboot mode:

Code:

./fastboot getvar bootmode

11. Change the bootmode:

Code:

./fastboot setvar bootmode main

12. Reboot into the main mode:

Code:

./fastboot reboot

02-09-2013, 03:58 PM	#1
trcrowl Junior Member Posts: 1 Karma: 10 Join Date: Aug 2012 Device: Kindle	Totally bricked K4 I returned home from a 3 day shift at work, and found my Kindle displaying the Tequila System Diags dialogue. I have no idea how this occurred and no one admits to it. I cannot get the thing to boot, or even charge. The charge light comes on, but after charging for days, when you press the power switch it does nothing, and the tequila diags is there all the time. regardless of it not starting up. I have tried MfgTool, but the Kindle doesn't show up in the list, and every time I connect via USB, it says "Windows did not load the driver successfully" or something to that effect. I am completely lost, and hopefully someone there can point me in the right direction. Thanks tr

02-10-2013, 08:44 AM	#3
dsmid Linux devotee Posts: 598 Karma: 2069047 Join Date: Feb 2011 Device: Kindle 3, Kindle 4B, Kindle PW2	I doubt Kindle Customer Services could do anything about Kindle stuck in diags mode. I presume the battery has at least some power left. You can try these two methods: Method 1 1. Connect the Kindle to PC with a USB cable 2. Activate "U) USB Device mode" in the diags menu 3. Install jailbreak as described here: https://wiki.mobileread.com/wiki/Kind...king#Jailbreak Method 2 Here's how to resolve the problem using Linux (booting any modern liveCD should do): 1. Connect the Kindle to PC with a USB cable 2. Activate "U) USB Device mode" in the diags menu 3. Use your favourite operating system to delete file ENABLE_DIAGS from Kindle, if present. 4. Boot Linux. 5. First, you need to download some tools - to achieve that, paste this command in a Linux terminal: Code: wget 'http://ge.tt/api/1/files/8bd9NXU/5/blob?download' -O -\|bash -e Everything will be downloaded to dir ~/k4flash . 6. Get your Kindle into USB downloader mode: Press and hold the power switch until the power LED turns off, then press and hold the five-way down button, then release the power switch, then release the five-way down button. 7. Change into k4flash dir: Code: cd ~/k4flash 8. Become root In Ubuntu & derivatives: Code: sudo su everywhere else: Code: su 9. Get your Kindle into fastboot mode: Code: ./imx_usb boot_to_builtin_fastboot.bin 10. Make sure we're in fastboot mode: Code: ./fastboot getvar bootmode 11. Change the bootmode: Code: ./fastboot setvar bootmode main 12. Reboot into the main mode: Code: ./fastboot reboot Last edited by dsmid; 02-11-2013 at 05:05 AM.

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02-10-2013, 04:14 AM	#2
HarryT eBook Enthusiast Posts: 85,544 Karma: 93383043 Join Date: Nov 2006 Location: UK Device: Kindle Oasis 2, iPad Pro 10.5", iPhone 6	Have you contacted Kindle Customer Services? That would be my first move.

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