Database Users

Unbricking Kindle stuck at Boot Logo/Recovery loop

Before you get all mad at me, I know there is another thread for this. This is a method that has worked for me when all other methods have failed.
I found out about this after looking around the interwebs for a while when my Kindle was stuck in a recovery loop, or stuck at the boot logo.
Your Kindle is stuck at the boot logo? I think I can help! Follow these steps!
This is WINDOWS ONLY for the time being!
1. Download and extract Kindle Fire Utility. You should be able to easily find it on the xda forums.
2. Reboot your PC.
2.5. If you have FIREFIREFIRE, go into the drivers folder in the Kindle Fire Utility and open up adb_usb.ini. Add the following line:
Code:
0x18d1
Do not delete the other lines.
3. After the reboot, connect your Kindle via USB. Go into where you unzipped Kindle Fire Utility, and run install_drivers.bat
4. Once that's done, open up a command prompt and navigate to the "tools" folder of the Kindle Fire Utility.
You do this by using this command:
Code:
cd (File path to tools folder)
Or in my case:
Code:
cd C:\Users\ZombiePiratez\Desktop\KFire Utility\Kindle Fire Utility\tools
5. After that, run the following commands:
If you DO NOT have FIREFIREFIRE, then use these commands:
Code:
fastboot -i 0x1949 oem idme bootmode 4000
fastboot -i 0x1949 reboot
If you DO have FIREFIREFIRE
Code:
fastboot -i 0x18d1 oem idme bootmode 4000
fastboot -i 0x18d1 reboot
If all else fails, try these commands:
Code:
fastboot oem idme bootmode 4000
fastboot reboot
6. Hopefully by this point, your Kindle will be rebooting. THIS WILL NOT WORK FOR EVERYONE. Only people stuck at the bootlogo, or in a recovery loop.
Now, go have fun with your newly awesome and unbricked Kindle Fire!

What is firefirefire? Have yet to see a formal definition of that

androidcues said:
What is firefirefire? Have yet to see a formal definition of that
Click to expand...
Click to collapse
Its a bootloader
Sent from my Kindle Fire using xda premium

Thanks Man, I was messing around with CM7 and I rebooted into recovery not knowing that it would keep me in a recovery boot loop and KFU wasn't helping trying to help me.

Tierehl said:
Thanks Man, I was messing around with CM7 and I rebooted into recovery not knowing that it would keep me in a recovery boot loop and KFU wasn't helping trying to help me.
Click to expand...
Click to collapse
Happy to help

Zombiepiratez said:
Before you get all mad at me, I know there is another thread for this. This is a method that has worked for me when all other methods have failed.
I found out about this after looking around the interwebs for a while when my Kindle was stuck in a recovery loop, or stuck at the boot logo.
Your Kindle is stuck at the boot logo? I think I can help! Follow these steps!
This is WINDOWS ONLY for the time being!
1. Download and extract Kindle Fire Utility. You should be able to easily find it on the xda forums.
2. Reboot your PC.
2.5. If you have FIREFIREFIRE, go into the drivers folder in the Kindle Fire Utility and open up adb_usb.ini. Add the following line:
Code:
0x18d1
Do not delete the other lines.
3. After the reboot, connect your Kindle via USB. Go into where you unzipped Kindle Fire Utility, and run install_drivers.bat
4. Once that's done, open up a command prompt and navigate to the "tools" folder of the Kindle Fire Utility.
You do this by using this command:
Code:
cd (File path to tools folder)
Or in my case:
Code:
cd C:\Users\ZombiePiratez\Desktop\KFire Utility\Kindle Fire Utility\tools
5. After that, run the following commands:
If you DO NOT have FIREFIREFIRE, then use these commands:
Code:
fastboot -i 0x1949 oem idme bootmode 4000
fastboot -i 0x1949 reboot
If you DO have FIREFIREFIRE
Code:
fastboot -i 0x18d1 oem idme bootmode 4000
fastboot -i 0x18d1 reboot
If all else fails, try these commands:
Code:
fastboot oem idme bootmode 4000
fastboot reboot
6. Hopefully by this point, your Kindle will be rebooting. THIS WILL NOT WORK FOR EVERYONE. Only people stuck at the bootlogo, or in a recovery loop.
Now, go have fun with your newly awesome and unbricked Kindle Fire!
Click to expand...
Click to collapse
Unfortunately this will only work if your windows based computer even recognizes the kindle, which mine doesn't. Thanks tho. I've given mine to my tech geek who has access to linux based system, so hopefully he will be able to recover my brick.
Sent from my MB860 using XDA App

Sorry about that. I wish I could help.

I am a newbie. I recover my kf using the recovery boot with kfu and it works fine now. how could
I know if it is in the recovery boot loop? Many thanks.
Sent from my GT-I9100 using XDA App

Zombiepiratez said:
Sorry about that. I wish I could help.
Click to expand...
Click to collapse
Its ok. I read everywhere its impossible to brick a kindle so im hoping that's true.
Sent from my MB860 using XDA App

My Windows PC wouldn't recognize my KF stuck in recovery mode, either. I think it reported in as an "unknown USB device" or something. I had to shut down the Kindle and then plug the USB in, which for whatever reason got my computer to recognize it. I think it might be similar to the effect of a battery drain?

*Snip*
Double post, fail.

CiggyPipe said:
My Windows PC wouldn't recognize my KF stuck in recovery mode, either. I think it reported in as an "unknown USB device" or something. I had to shut down the Kindle and then plug the USB in, which for whatever reason got my computer to recognize it. I think it might be similar to the effect of a battery drain?
Click to expand...
Click to collapse
Did it just immediately recognize it, or did you have to re-install drivers? And i'm not sure about the battery drain thing...

CiggyPipe said:
My Windows PC wouldn't recognize my KF stuck in recovery mode, either. I think it reported in as an "unknown USB device" or something. I had to shut down the Kindle and then plug the USB in, which for whatever reason got my computer to recognize it. I think it might be similar to the effect of a battery drain?
Click to expand...
Click to collapse
Tried that to no avail as well.
Sent from my MB860 using XDA App

Zombiepiratez said:
Did it just immediately recognize it, or did you have to re-install drivers? And i'm not sure about the battery drain thing...
Click to expand...
Click to collapse
I guess I should make note that by this point I'd uninstalled the driver I used. It was recognized as "kindle" once after I plugged it in while off, so then I went ahead and manually reinstalled the driver (from Jayce Ooi's site), which allowed the fastboot commands to work. Otherwise, the command would hang at <waiting for device>.

Thanks! My kindle fire was stuck at the firefirefire logo. My computer couldn't even recognize my kindle but I uninstalled the Android ADB composite interface and plugged it back in, when the kindle was off. Then I used your commands to get fastboot. I installed TWRP, now I'm stuck in TWRP and can't mount my sd... to flash any rom.

Thanks
Thanks for the info. i thought i'd bricked it and the info worked a treat. that will teach me to keep my mouth shut "of course i can root your kindle"

try fixing permissions under advanced, and then make sure only the sdcard box is marked in mount option.
Sent from my Amazon Kindle Fire using xda premium

Zombiepiratez said:
Before you get all mad at me, I know there is another thread for this. This is a method that has worked for me when all other methods have failed.
I found out about this after looking around the interwebs for a while when my Kindle was stuck in a recovery loop, or stuck at the boot logo.
Your Kindle is stuck at the boot logo? I think I can help! Follow these steps!
This is WINDOWS ONLY for the time being!
1. Download and extract Kindle Fire Utility. You should be able to easily find it on the xda forums.
2. Reboot your PC.
2.5. If you have FIREFIREFIRE, go into the drivers folder in the Kindle Fire Utility and open up adb_usb.ini. Add the following line:
Code:
0x18d1
Do not delete the other lines.
3. After the reboot, connect your Kindle via USB. Go into where you unzipped Kindle Fire Utility, and run install_drivers.bat
4. Once that's done, open up a command prompt and navigate to the "tools" folder of the Kindle Fire Utility.
You do this by using this command:
Code:
cd (File path to tools folder)
Or in my case:
Code:
cd C:\Users\ZombiePiratez\Desktop\KFire Utility\Kindle Fire Utility\tools
5. After that, run the following commands:
If you DO NOT have FIREFIREFIRE, then use these commands:
Code:
fastboot -i 0x1949 oem idme bootmode 4000
fastboot -i 0x1949 reboot
If you DO have FIREFIREFIRE
Code:
fastboot -i 0x18d1 oem idme bootmode 4000
fastboot -i 0x18d1 reboot
If all else fails, try these commands:
Code:
fastboot oem idme bootmode 4000
fastboot reboot
6. Hopefully by this point, your Kindle will be rebooting. THIS WILL NOT WORK FOR EVERYONE. Only people stuck at the bootlogo, or in a recovery loop.
Now, go have fun with your newly awesome and unbricked Kindle Fire!
Click to expand...
Click to collapse
I'm sorry but I tried all the steps above but KF's still stuck at boot logo. I flashed CM9 stock kernel 3.0 with FFF 1.4a and CWR, wiped everything and factory reset, then install...but it just hangs at the blue skating droid logo... any idea?

jamesphan said:
I'm sorry but I tried all the steps above but KF's still stuck at boot logo. I flashed CM9 stock kernel 3.0 with FFF 1.4a and CWR, wiped everything and factory reset, then install...but it just hangs at the blue skating droid logo... any idea?
Click to expand...
Click to collapse
The Unbrick utility won't help in your case. When the device hangs at the boot animation or goes to a blank screen afterwards, the problem is usually one of three things.
* the rom installed is corrupted
* you didn't wipe the necessary data before installing
* you tried flashing a rom that's incompatible with the recovery you are using (I'm betting this is most likely the case)
Try installing a different rom (preferably non-ICS) to see if that fixes the problem. Of so, check to see if you're using the latest version of CWM by Hashcode or install TWRP to run ICS based roms.
Any further questions regarding this matter should be redirected to the Q&A section.
[Edit:] For some reason I thought this was the thread for the Unbrick Utility. Regardless, the solution is still the same.

You are a GENIOUS!!!
Thanks a LOT!!!!!!!!!!

[Q] Bootloop in TWRP + bricked device...

I just overall screwed up big time with this thing. I rooted 6.2.1, then uninstalled/froze a bunch of the stock apps (including the default Kindle launcher, as I had Go Launcher installed).
I then decided I wanted to restore to the factory default settings, as I wanted to use Amazon prime, among other things. I went into settings and hit the "restore to factory defaults button" (which was stupid, I know). Unsurprisingly, this resulted in Kindle Fire bootloops.
Trying to fix this, I used the KindleFireTool to install the most recent TWRP...which didn't work at all. It would just stay on the yellow triangle screen. Now, things have gotten even worse, though I don't know why. Whenever I plug the fire into the computer, it goes into TWRP bootloops!
For the brief few seconds that the Fire is on when plugged into my computer, the driver isn't recognized at all (shows up as "kindle" with a triangle next to it in device manager).
I know what I did was dumb, but even so, any help would be hugely appreciated.

YES YES YES!!!! OK HERES HOW I DID IT TO FIX THE BOOTLOOP OF TWRP
First you must download Kindle Fire Utility and extract it to your desktop
then go to command prompt or cmd then type in the location of the folder heres mine for example: C:\Users\Madaran\Desktop\Kindle Fire Utility\tools
then type in fastboot -i 0x1949 oem idme bootmode 4000
For me it said waiting for device all I did is rebooted the device and it worked
as the device reboot it will still go back to TWRP now type this in the command prompt
fastboot -i 0x1949 oem idme bootmode 4000
then it should reboot again and ITS FIXED
----------------------------------
I used this thread to fix it.
http://forum.xda-developers.com/showthread.php?t=1428715

Thank you so much! I'll post results when I get the opportunity.
Well it didn't work...the thing isn't connecting to the computer properly. I think it's a goner.

Mine didn't connect also but it still worked. You don't need the device to be connected just plug it in and put it in the TWRP recover mode. Then do the steps again.
1.Download Kindle Fire Utility
2.Extract it to desktop.
3.You can't connect it while its in FastBoot mode so open up CMD or Command Prompt.
4.Again locate the folder and type it in the CMD for example I typed:
"cd C:\Users\Madaran\Desktop\Kindle Fire Utility\tools"
5.Then type this in "fastboot -i 0x1949 oem idme bootmode 4000"
6.It should say waiting for device. Go to TWRP and hit reboot system.
7.It should work now and while waiting for your Kindle to boot up, the power button should be orange.
8.When it turned orange I immediately typed this in the CMD or Command Prompt
"fastboot -i 0x1949 oem idme bootmode 4000" so it wouldn't boot to the TWRP recovery menu.
9.It should reboot again and load up your CyanogenMod 7
10. If it work hit the thanks button please.

I did all of that up until step 6. My device won't allow me to reboot. When it's plugged in via USB, it boots up, dies within 20 seconds, then boots again. I can't break the cycle, and it just says waiting for device on and on...

skippwhy said:
I did all of that up until step 6. My device won't allow me to reboot. When it's plugged in via USB, it boots up, dies within 20 seconds, then boots again. I can't break the cycle, and it just says waiting for device on and on...
Click to expand...
Click to collapse
It maybe your battery its low. Try to charge it and connect it again.

Definitely worth a shot
You were right! It was a battery issue

sirmavs said:
Mine didn't connect also but it still worked. You don't need the device to be connected just plug it in and put it in the TWRP recover mode. Then do the steps again.
1.Download Kindle Fire Utility
2.Extract it to desktop.
3.You can't connect it while its in FastBoot mode so open up CMD or Command Prompt.
4.Again locate the folder and type it in the CMD for example I typed:
"cd C:\Users\Madaran\Desktop\Kindle Fire Utility\tools"
5.Then type this in "fastboot -i 0x1949 oem idme bootmode 4000"
6.It should say waiting for device. Go to TWRP and hit reboot system.
7.It should work now and while waiting for your Kindle to boot up, the power button should be orange.
8.When it turned orange I immediately typed this in the CMD or Command Prompt
"fastboot -i 0x1949 oem idme bootmode 4000" so it wouldn't boot to the TWRP recovery menu.
9.It should reboot again and load up your CyanogenMod 7
10. If it work hit the thanks button please.
Click to expand...
Click to collapse
Hey guys... I kinda bricked my Kindle... I tried all the steps mentioned above. My Kindle boots but it freezes on the Kindle Fire Boot Screen. It does not load the home screen of Kindle with Shelf.
Please help

http://forum.xda-developers.com/showthread.php?t=1428428

[SOLVED] "bricked" kindle stuck at recovery page

I have rooted a few phones and even two kindle fires but I messed up my fathers.. Rooting went fine, I was able to install the google framework and vending.apk.
On reboot kindle fire logo kept repeating.
Where I think I went wrong wrong was changing the permissions on vending.apk I might have changed permission on system/apps.. I ran the unbrick application but didn't know what the right issue so I ended up going a little hog wild trying "stuck at logo", "recovery" and "modded system/application"
now it only boots to press power for recovery page.
It is correct that I need to get adb shell working to have a shot here? I decided (a little to late) to slow it down but the shell didn't seem to be working at the point I stopped..

the kf is in fastboot mode - adb ist'n working in this mode
what tells your device manager? it should be "android adb interface" under "android phones" - if not update your drivers
then you can issue:
fastboot -i 0x1949 oem idme bootmode 4000
fastboot -i 0x1949 reboot
if it says <waiting for device> to the first command let the command open and power off the kf by holding pwr button ~20sec - power on again - the command should be picked up and finished - pwr off/on again

Thanks... Will try this in a few hours when I get home

Thanks... After that I was able to get the ADB shell and find the issue with my permissions...

glad to help ...
please mark the subject of the topic (edit first post) with [Solved]

[Q] Kindle Fire 6.3 in FFF Recovery Loop, Not Detected -- Need Help [Linux]

Hey guys,
I'm sorry I couldn't figure out what to do next simply by searching your forum, so I will try to be both as brief and as descriptive as possible.
I started here (http://forum.xda-developers.com/showthread.php?t=1568340) trying to root my fiancee's KF 6.3. I didn't feel comfortable using KFU or similar because those programs are built for Windows and I am using Linux. The Kindle Fire seems to be stuck in a recovery loop. When plugged into USB (using the cable that's actually for my LG Optimus phone), it boots to FireFireFire (yellow triangle) then reboots constantly. At no point is it accessible via adb devices or fastboot, and it doesn't show up under lsusb, which would be the equivalent to not showing up in Device Manager in Windows. (The driver should be fine because all of this was working fine originally when I started the process.)
So I guess my question is what now? I've read a few things about needing a "factory cable" which may set it back into fastboot mode, and I'm pretty sure I could get going again from there. Is that what I need to do? TIA for any help.
PS - I've successfully rooted my LG Optimus S and flashed custom ROMs, so I'm not totally inexperienced. I use Arch Linux and I'm comfortable on the command line. If you have a solution for Windows, I *might* be able to translate it into Linux speak, so don't hold back. Same goes for Ubuntu/Debian - those are totally different than Arch Linux, but I might "get it" enough to translate it.
PPS - I have intentionally omitted information relating to what I was doing when I caused this for brevity, but I would be happy to discuss what steps I took in following the above linked thread if some guru believes it's relevant or someone wants to know.

A factory cable is a last resort kind of thing so I wouldn't jump the gun quite yet, although it doesn't hurt to have one in the first place.
It would be helpful to know which step in the rooting process things went awry. The constant rebooting/restarting isn't typical. Did you make sure you had enough battery before trying to root?
FIREFIREFIRE loads in a temporary fastboot and with the version you are using it lasts for about ten seconds (before the green light goes dim). You can issue fastboot commands during this time without the need of a factory cable.
See if you can get...
fastboot devices
...to be recognized during this time.
Sent from my Amazon Kindle Fire using xda premium

If you get stuck at a screen with a yellow triangle, run: fastboot -i 0x1949 oem idme bootmode 4000 If your device is always booting TWRP run: adb shell "idme bootmode 4000" If you still can't get out of booting TWRP, first run: adb shell "idme bootmode 4002" reboot your device, then run: adb shell "idme bootmode 4000" reboot again and you should be out of your bootloop.
Sent from my LG-VM670 using Tapatalk

It would be helpful to know which step in the rooting process things went awry.
Click to expand...
Click to collapse
OK, let's start with that.
From the thread I linked in the first post:
Your device will now boot into twrp recovery, and flash the firefirefire bootlaoder. When done it will prompt you to reboot. Upon reboot you will get stuck on the "yellow triangle" screen of firefire fire.
Click to expand...
Click to collapse
That was not my experience. My device loaded TWRP but just sat there on its home screen without prompting me to reboot. I used adb reboot recovery to see if it had indeed flashed FFF but was simply not prompting me to reboot, and it had not. So I used instructions from elsewhere (http://forum.xda-developers.com/showthread.php?t=1369405) to flash FFF at this point myself:
Howto flash by hand
Get into fastboot mode somehow. Having and older FFF from the TWRP installer is a good start. Currently KFU or fbmode is the easiest
flash with "fastboot -i 0x1949 flash bootloader u-boot.bin" (take out "-i 0x1949" if FFF is already installed)
disable fastboot: "fastboot -i 0x1949 oem idme bootmode 4000"
reboot: "fastboot -i 0x1949 reboot"
Click to expand...
Click to collapse
There were a couple of weird issues with this but the process seemed to go smoothly. However, when I rebooted (the last command) is when I discovered I was stuck in a recovery loop, and the last time I was able to see the device normally via adb devices/lsusb/dmesg.
I guess it may have been the battery because I've since let it fully charge (this is the first time I've looked at it in days) and now it's not in a recovery loop but stably sitting at the "yellow triangle". There is also now an entry for it in lsusb:
Code:
Bus 002 Device 008: ID 18d1:0100 Google Inc.
fastboot devices gives me something like "no permissions fastboot" but I have no idea what that means because I've never seen its normal output.
EDIT: I should note that I do notice the device ID now seems to register as 0x18d1 rather than 0x1949, but I'm not entirely sure what to do about that. I copied my udev rules but changed '1949' to '18d1' and 'Lab126' to 'Google Inc' but I don't even know if that was a sensible move because I've never really done much with udev rules.

pbailey212 said:
If you get stuck at a screen with a yellow triangle, run: fastboot -i 0x1949 oem idme bootmode 4000 If your device is always booting TWRP run: adb shell "idme bootmode 4000" If you still can't get out of booting TWRP, first run: adb shell "idme bootmode 4002" reboot your device, then run: adb shell "idme bootmode 4000" reboot again and you should be out of your bootloop.
Sent from my LG-VM670 using Tapatalk
Click to expand...
Click to collapse
I think the problem here is the he can't get past the bootloader and stuck in an ACTUAL bootloop. In which case, adb commands are useless.
One thing that could be causing problems is the USB cable being used. If the device only experiences these symptoms when plugged in then I would say that's most likely the case.
Sent from my Amazon Kindle Fire using xda premium

I suggest you build a firekit USB for Linux. Search for firekit for Linux thread in the development section.
Sent from my Amazon Kindle Fire using Tapatalk 2

palintropos said:
OK, let's start with that.
From the thread I linked in the first post:
That was not my experience. My device loaded TWRP but just sat there on its home screen without prompting me to reboot. I used adb reboot recovery to see if it had indeed flashed FFF but was simply not prompting me to reboot, and it had not. So I used instructions from elsewhere (http://forum.xda-developers.com/showthread.php?t=1369405) to flash FFF at this point myself:
There were a couple of weird issues with this but the process seemed to go smoothly. However, when I rebooted (the last command) is when I discovered I was stuck in a recovery loop, and the last time I was able to see the device normally via adb devices/lsusb/dmesg.
I guess it may have been the battery because I've since let it fully charge (this is the first time I've looked at it in days) and now it's not in a recovery loop but stably sitting at the "yellow triangle". There is also now an entry for it in lsusb:
Code:
Bus 002 Device 008: ID 18d1:0100 Google Inc.
fastboot devices gives me something like "no permissions fastboot" but I have no idea what that means because I've never seen its normal output.
EDIT: I should note that I do notice the device ID now seems to register as 0x18d1 rather than 0x1949, but I'm not entirely sure what to do about that. I copied my udev rules but changed '1949' to '18d1' and 'Lab126' to 'Google Inc' but I don't even know if that was a sensible move because I've never really done much with udev rules.
Click to expand...
Click to collapse
Make sure your linux environment is set up correctly.
http://forum.xda-developers.com/showthread.php?t=1475740
Installing TWRP 2.0.0 is different than installing TWRP 2.1.0. I think the instructions on the TWRP site is for the old version, but they link the new one.
http://forum.xda-developers.com/showpost.php?p=24732291&postcount=1298
Your OP sounds suspiciously like a dead battery, but you say you've corrected that. You might want to connect to your OEM charger for a while anyway and see if that helps
Also, in my experience, fastboot on linux required elevated privileges. Try running it as root.

Make sure your linux environment is set up correctly.
http://forum.xda-developers.com/show....php?t=1475740
Click to expand...
Click to collapse
I've done the Arch Linux equivalents of all of that, and I'm set up with udev rules per our wiki here: https://wiki.archlinux.org/index.php/Android#Adding_udev_Rules
I'm pretty sure the USB cable I'm using might actually be the issue because it was fine straight off the OEM charger, and I even momentarily got a correct reading with fastboot devices (as root), but now I'm back to almost like earlier. The yellow triangle screen is still "stuck"/stable, but I can't find it on adb/fastboot devices or lsusb.

palintropos said:
EDIT: I should note that I do notice the device ID now seems to register as 0x18d1 rather than 0x1949, but I'm not entirely sure what to do about that. I copied my udev rules but changed '1949' to '18d1' and 'Lab126' to 'Google Inc' but I don't even know if that was a sensible move because I've never really done much with udev rules.
Click to expand...
Click to collapse
This is fine. It just indicates you are running the FFF bootloader... pokey9000 changed the VID to a value fastboot recognizes by default instead of the custom vendor ID (1949) that Amazon uses in the stock bootloader. With the FFF bootloader, you can drop the "-i 0x1949" part of the fastboot command.
---------- Post added at 12:30 PM ---------- Previous post was at 12:27 PM ----------
palintropos said:
I've done the Arch Linux equivalents of all of that, and I'm set up with udev rules per our wiki here: https://wiki.archlinux.org/index.php/Android#Adding_udev_Rules
I'm pretty sure the USB cable I'm using might actually be the issue because it was fine straight off the OEM charger, and I even momentarily got a correct reading with fastboot devices (as root), but now I'm back to almost like earlier. The yellow triangle screen is still "stuck"/stable, but I can't find it on adb/fastboot devices or lsusb.
Click to expand...
Click to collapse
Have you tried setting the bootmode to normal and rebooting?
fastboot oem idme bootmode 4000
fastboot reboot
Like I said before, it would probably be best for you to try this as root.
EDIT: It's also possible your system is broken and the KF can't complete its boot process. When you start up the device, the boot logo will first come up. Does the display go black after that and come back with a dimmer yellow triangle logo? Because if it's doing that, it's not in fastboot any more.

kinfauns said:
This is fine. It just indicates you are running the FFF bootloader... pokey9000 changed the VID to a value fastboot recognizes by default instead of the custom vendor ID (1949) that Amazon uses in the stock bootloader. With the FFF bootloader, you can drop the "-i 0x1949" part of the fastboot command.
Click to expand...
Click to collapse
Ditto. If you can get the device to be recognized even for a second, it's still enough time to issue...
fastboot -i 0x1949 oem idme bootmode 4000
Just keep trying
[Edit:] or what he said
Sent from my Amazon Kindle Fire using xda premium

Yay! I played around and got my udev rules working, and I got a reading on (sudo) fastboot devices, so I was finally able to set the bootmode to 4000 and reboot. Everything seems to be back to normal now. The Kindle appears to be working fine though not rooted.
Please let me know:
if there is anything else I should know to make sure the KF is normal
if there is any additional info I should post to benefit other users who might have this same problem
or if I should mark this thread SOLVED/RESOLVED or equivalent and how to do so.

if your fastboot ever stucks in waiting for device mode and you are on linux
try once with either root user or using sudo command.
thats one of the thing people forget most of the time and get stuck there.

http://forum.xda-developers.com/showthread.php?t=1576675

Try the above with the kindle switched off you should see waiting for devic, then press power once ( fast boot should kick in when you power on)
Sent from my Amazon Kindle Fire using xda premium

[Q] Computer won't recognize KF and KF is stuck at logo

Hello
First, i just want to thank all the people who's great threads i read (the beginners guide and the unbricking stickies were great) and I have searched the forum but I do not see an answer to the question I have.
I tried to install the KF utility drivers. When i did, my kindle stopped working and is now stuck at the Kindle Fire logo screen. I can not turn it off and unplugging it from the USB/PC does nothing.
At the same time, my PC stopped recognizing my KF. When i plug it into my PC by the USB, i get an Unknown Device with a small ! in the device manager window.
Any help would be great.
Thanks
(FYI, i am kind of a tech noobie, so please make any advice/directions as easy/dumbed down as you can )

When you get tired of windows drivers http://forum.xda-developers.com/showthread.php?t=1670405
Your just stuck in fastboot shift +right click on kfu tools folder select open command window here power off your device leave it unplugged type fastboot -i 0x1949 getvar product when it says waiting for device plug it in it will power on in the terminal if you get a response product: kindle type fastboot -i 0x1949 oem idme bootmode 4000 hit enter then type fastboot -i 0x1949 reboot it should then boot normal use a standard cable for this not your moto factory cable