[Q] fastboot mode unknown device - 7" Kindle Fire HD Q&A, Help & Troubleshooting

My kfhd 7 is not charging from usb or wall and not recognize pc and I can go fastboot but pc is saying unknown device. What can I do? I guess my device's usb port burned. Sorry for broken english.

Install the proper drivers.
Sent from a Kindle Fire HD running CM10.1 using Tapatalk 2

The usb is damaged
Sent from my KFTT using xda premium

YEs probably usb port damaged. I opened to motherboard for doing something. But nothing.

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[Q] KFHD Rooted with KFU 0.9.6 but will not start

Hi,
I am new to this and need advice. I tried rooting my KFHD 7" using KFU 0.9.6 and all seemed to be going well until it said it was trying to boot into Recovery mode. The Kindle did not reboot after about 20 minutes and has not turned on since. I have tried various ways to unbrick such as Kindle Fire Unbricker v1.1 but this will not work as the PC does not detect the Kindle. I also have a Factory cable which i understood would put the Kindle into Fastboot and aid me in unbricking but still nothing. Any help would be appreciated, thank-you
Kfu is for the non he models you will most likely need a factory cable to fix
Sent from my KFTT using XDA Premium HD app
Shawnsch said:
Kfu is for the non he models you will most likely need a factory cable to fix
Sent from my KFTT using XDA Premium HD app
Click to expand...
Click to collapse
Shawnsch thanks for your response, I have the 'Factory Cable' but my PC on Windows 7 won't detect the Kindle, any idea on how to get it to detect would be appreciated then I can look at further fixes for the device.
I believe he mean the fast boot cable, this one is different than the factory cable. You use the tutorial on how to restore system software, and than your fixed.
Sent from my Fire HD with root!
Yes a fastboot cable also referred to as a factory cable in the fourms
Sent from my KFTT using XDA Premium HD app
Shawnsch said:
Yes a fastboot cable also referred to as a factory cable in the fourms
Sent from my KFTT using XDA Premium HD app
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Click to collapse
Hi, i used a Fastboot/Factory cable to root the Kindle Fire HD but it didn't reboot after rooting and now the PC will not find my Kindle whether i use the Fastboot/Factory cable or a standard cable and either the SDK or ADB........ I am getting the feeling that this will not be fixable
I don't believe that you actually used a factory cable. A factory cable is not a normal using cord' it's not the one the kindle came with. A factory cable is a modified cable that boots the kindle into fastball as soon as it is plugged in. I will try to get you a link to the guy I got mine from
Sent from my KFTT using XDA Premium HD app

Red triangle!!!! pls HElp

I need all of your help pls .my kindle fire hd 7" suddenly asking me for kindle fire system recovery after i restart my kindle .there is a red triangle with exclamation mark on it and there is just 2 options to choose from either you reboot or reset to factory defaults.i tried both of the options but its getting back to this red triangle every time it reboots .pls help anyone me to fix it.any advice,software,threads that will guide me thru this.sorry for the bad english.
i tried http://forum.xda-developers.com/showpost.php?p=32636163&postcount=1 but my pc no recognizes my kindle fire hd 7"; i have good driver cuz i put music from pc to kindle last week. i used original usb cable data.
Just hit reboot that happened to me to
sent from my minecraft world
Visit my friends over on the Kindle Fire First Aide thread if you haven't resolved this issue.
Sent from my KFHD using xda premium
Raymond199483 said:
Just hit reboot that happened to me to
sent from my minecraft world
Click to expand...
Click to collapse
He said he tried both of those and it comes back to that screen. That is just a recovery bootloop. First get your KFFirstAide on your computer. Then read from this page on to fix your problem. http://forum.xda-developers.com/showthread.php?t=2096888&page=140 (Look for posts starte by "Bdeatha" and "AmrBanawan". It starts on this page Post number 1396. You won't need a factory fastboot cable, so when you restore you should say "yes" to it asking you to reboot into fastboot mode.
Good Luck!
Any news?
Sent from my KFTT using xda app-developers app
Red triangle
miztah1999z said:
Any news?
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Click to collapse
I think that is necesary usb factory cable. cuz i tried with original usb cable of KFhd and no work, my pc no recognize my Kindle fire.
a problem is i´m from colombia and dunno where buy usb factory cable.
Kevlar-Bull said:
I think that is necesary usb factory cable. cuz i tried with original usb cable of KFhd and no work, my pc no recognize my Kindle fire.
a problem is i´m from colombia and dunno where buy usb factory cable.
Click to expand...
Click to collapse
NO check your devices manager, see if there is a kindle there in "portable devices" and then check device and printer to seee if kindle is in unspecified devices. You should be able to boot KFHD into fastboot without factory cable. To buy a factory cable if you need it you can Private message this guy. http://forum.xda-developers.com/member.php?u=4435645
miztah1999z said:
NO check your devices manager, see if there is a kindle there in "portable devices" and then check device and printer to seee if kindle is in unspecified devices. You should be able to boot KFHD into fastboot without factory cable. To buy a factory cable if you need it you can Private message this guy. http://forum.xda-developers.com/member.php?u=4435645
Click to expand...
Click to collapse
thank´s recovery my KFhd thank you. NOW. i need to fix one error my KFhd show 12gb /12gb and is 16gb /16gb . i will look for one tutorial for fix it.
thank you men. GOD bless you
There is no way to fix 12gb that's how much space there is
sent from my minecraft world

[Q] Help With Bricked 2012 HD7's

I have a pair of kindle fire hd 7 that are bricked, first one i can get into fastboot with a "factory cable" but the computer does not reconize the kindle.
the second seem to be hard bricked i get nothing out of it does not respond to charger or foctory cable. Any help would be Wonderful Thanks in Advance
Shunloc said:
I have a pair of kindle fire hd 7 that are bricked, first one i can get into fastboot with a "factory cable" but the computer does not reconize the kindle.
the second seem to be hard bricked i get nothing out of it does not respond to charger or foctory cable. Any help would be Wonderful Thanks in Advance
Click to expand...
Click to collapse
There's a hundred topics on this if you just use the search engine.
Thanks for that thought, i have looked, I do have the most up to date kindle usb drivers i can get but still can not get windows to reconize the kindle in fastboot, I just want to clairify that the issue with the hd7 that can "fast boot" is that i cant get my computer to reconize it
Plug it in with a normal cable once it's in fastboot, then try my drivers in my signature on the device in the device manager that should say something like tate-pvt or jem-pvt if it is a 8.9" model.
Sent from my Amazon Kindle Fire HD running CM10.1 Tablet UI using xda-developers app
Shunloc said:
I have a pair of kindle fire hd 7 that are bricked, first one i can get into fastboot with a "factory cable" but the computer does not reconize the kindle.
the second seem to be hard bricked i get nothing out of it does not respond to charger or foctory cable. Any help would be Wonderful Thanks in Advance
Click to expand...
Click to collapse
Ok have done some reading and it is possable that it doesn't go into fastboot all the way. All it does is stop on the fastboot logo haven't seen a red triangle at all
Shunloc said:
Ok have done some reading and it is possable that it doesn't go into fastboot all the way. All it does is stop on the fastboot logo haven't seen a red triangle at all
Click to expand...
Click to collapse
I only stated that because so many times we have posted lengthy responses to this question and it takes a lot to type it all up on a tablet.
You stated you have 2 7" tablets. So stick with Tate.
So in fastboot , that's what you should see, fastboot. You won't see a red triangle and adb will not be recognized. Download the system restore tool here http://forum.xda-developers.com/showthread.php?p=33156486 follow the OP.
Edit: If a fastest cord does nothing to energize your tablet, that's a hard brick.
Edit 2: Update link to proper one.
Sent from my Nexus 7 Flo running Odex SinLess ROM 4.4.2 with ElementalX kernel using XDA Premium 4 mobile app
stunts513 said:
Plug it in with a normal cable once it's in fastboot, then try my drivers in my signature on the device in the device manager that should say something like tate-pvt or jem-pvt if it is a 8.9" model.
Sent from my Amazon Kindle Fire HD running CM10.1 Tablet UI using xda-developers app
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Click to collapse
The only thing i can get on device manager is "unknown device, no drivers installed"
"Instructions:
1.) Download the version you want to use from the link below and unzip.
2.) Enable fastboot mode. Turn off your device then plug into your pc using a factory cable. If the device is recognized by adb then you can use this command:"
quote from kfhd sys restore thread.
note the red, I Can Not Get It Recognized
Shunloc said:
"Instructions:
1.) Download the version you want to use from the link below and unzip.
2.) Enable fastboot mode. Turn off your device then plug into your pc using a factory cable. If the device is recognized by adb then you can use this command:"
quote from kfhd sys restore thread.
note the red, I Can Not Get It Recognized
Click to expand...
Click to collapse
To all still reading i wish to appoliigize for the gruffness and to thank all for the help i have recivied.
Shunloc said:
"Instructions:
1.) Download the version you want to use from the link below and unzip.
2.) Enable fastboot mode. Turn off your device then plug into your pc using a factory cable. If the device is recognized by adb then you can use this command:"
quote from kfhd sys restore thread.
note the red, I Can Not Get It Recognized
Click to expand...
Click to collapse
What that means is if adb is recognized then you can use a command to get into fastboot with a standard USB. This does not apply to you because you're looking. You want to restore your tablet, I have shown you how to.
Sent from my Nexus 7 Flo running Odex SinLess ROM 4.4.2 with ElementalX kernel using XDA Premium 4 mobile app
Follow this link http://forum.xda-developers.com/showthread.php?t=2551661

[Q] Stuck on boot logo and pc wont recognize it

I have a kindle fire HD7 2012 and its been 5 months already. I was trying to put a custom ROM in and i bricked it because im stupid and i never know what i'm doing ... I've tried everything and nothing works. My pc detects it as unknown device and it's stuck on the logo screen please some one help me
Moi5ses said:
I have a kindle fire HD7 2012 and its been 5 months already. I was trying to put a custom ROM in and i bricked it because im stupid and i never know what i'm doing ... I've tried everything and nothing works. My pc detects it as unknown device and it's stuck on the logo screen please some one help me
Click to expand...
Click to collapse
You need to get a fastboot cord and do a factory restore http://forum.xda-developers.com/showthread.php?t=1951254 use option 3
Sent from my Nexus 7 Flo running CM 11 4.4.2 with ElementalX Kernel using XDA Premium 4 mobile app
LinearEquation said:
You need to get a fastboot cord and do a factory restore http://forum.xda-developers.com/showthread.php?t=1951254 use option 3
Sent from my Nexus 7 Flo running CM 11 4.4.2 with ElementalX Kernel using XDA Premium 4 mobile app
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My pc doesnt recognize the device its either unknown or it doesnt show up
So you connected with a fastboot cable? If that is the case then download and extract the drivers in my signature somewhere and right click the unknown device in the device manager and hit update drivers and point it to where you extracted my drivers. If you are on windows 8 you will have to disable driver signature enforcement first. From there you should be able to restore it with kffa or SRT.
Sent from my Amazon Tate using Tapatalk
stunts513 said:
So you connected with a fastboot cable? If that is the case then download and extract the drivers in my signature somewhere and right click the unknown device in the device manager and hit update drivers and point it to where you extracted my drivers. If you are on windows 8 you will have to disable driver signature enforcement first. From there you should be able to restore it with kffa or SRT.
Sent from my Amazon Tate using Tapatalk
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Click to collapse
A specialist at this type of stuff told me it was hard bricked after 9 hours of working on it hard and by chatting any one know how to fix hard bricked? or just buy another one?
I seriously doubt it is hard bricked unless it starts either not turning on or shows up as a omap 4440 device. Even if it is hard bricked its still technically fixable, but you need a soldering iron, some skill, and a sdcard reader plus a Ubuntu live os to reboot into to reflash the bootloader and other partitions.
Sent from my Amazon Tate using Tapatalk

[Q] Need help with kindle fire hd 7

my kf hd 7 is currently in a boot loop after flashing a rom through TWRP.... it gets the yellow kindle fire sign up then reboots over and over.. i have a fastboot cable and it will go into fastboot mode however when i then plug it into the computer with either a standard factory cable or the fast boot cable it says USB Device not recognised and the device has malfunctioned.. i have adb drivers installed and sdk installed. i have tried KFFA and SRT 1.35 but because the pc don't recognise the device it just sits at WAITING FOR DEVICE when i try to run any of the commands. i have used adb before to push files in twrp however i cannot get the pc to recognise it. i have also tried my daughters laptop and still have the same issue ..any ideas guys????
starman99 said:
my kf hd 7 is currently in a boot loop after flashing a rom through TWRP.... it gets the yellow kindle fire sign up then reboots over and over.. i have a fastboot cable and it will go into fastboot mode however when i then plug it into the computer with either a standard factory cable or the fast boot cable it says USB Device not recognised and the device has malfunctioned.. i have adb drivers installed and sdk installed. i have tried KFFA and SRT 1.35 but because the pc don't recognise the device it just sits at WAITING FOR DEVICE when i try to run any of the commands. i have used adb before to push files in twrp however i cannot get the pc to recognise it. i have also tried my daughters laptop and still have the same issue ..any ideas guys????
Click to expand...
Click to collapse
Can you boot into recovery..........u have the option of adb side load then..........make sure u have proper drivers ........
Sent from my Amazon Tate using XDA Premium 4 mobile app
thecoolster said:
Can you boot into recovery..........u have the option of adb side load then..........make sure u have proper drivers ........
Sent from my Amazon Tate using XDA Premium 4 mobile app
Click to expand...
Click to collapse
no it boots to orange kindle fire screen for about 2 seconds then reboots and goes back to orange kindle fire screen. the blue kindle fire screen dosent come on. :crying:
starman99 said:
my kf hd 7 is currently in a boot loop after flashing a rom through TWRP.... it gets the yellow kindle fire sign up then reboots over and over.. i have a fastboot cable and it will go into fastboot mode however when i then plug it into the computer with either a standard factory cable or fast boot cable it says USB Device not recognised and the device has malfunctioned.. i have adb drivers installed and sdk installed. i have tried KFFA and SRT 1.35 but because the pc don't recognise the device it just sits at WAITING FOR DEVICE when i try to run any of the commands. i have used adb before to push files in twrp however i cannot get the pc to recognise it. i have also tried my daughters laptop and still have the same issue ..any ideas guys????
Click to expand...
Click to collapse
Have u tried kindle fire unbrick utility??????
Try using a computer which already has the drivers correctly installed...:thumbup:hope it helps :what:
Sent from my Amazon Tate using XDA Premium 4 mobile app
Yeah I tried it m8. Just sits at waiting for device cause PC doesn't recognise device..I have ordered a new fast boot cable cause the one I was using is a homemade one so gonna see if an official one is any more successful
starman99 said:
Yeah I tried it m8. Just sits at waiting for device cause PC doesn't recognise device..I have ordered a new fast boot cable cause the one I was using is a homemade one so gonna see if an official one is any more successful
Click to expand...
Click to collapse
Yes, use a factory/Flashboot cable and use SRT 1.3.5. With that cable the Kindle will go into fastboot as soon as you connect it to a PC/Laptop which has Fastboot drivers loaded. When you are in the fastboot mode, you can confirm that that teh ADB driver is being used by going to Devices--->Kindle
Use Kindle Fire first aide
You should Kindle Fire First Aide at this link to unbrick your Kindle after fixing drivers.
http://forum.xda-developers.com/showthread.php?t=2096888

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