KF HD7 bricked post-boot - 7" Kindle Fire HD Q&A, Help & Troubleshooting

I've had my KF7 for a while now, and I don't want to lose anything on it. Sucks that I need to change settings to un-brick it, the rendering system broke.
Attempt to boot shows the following result:
AMZN logo.
KF logo.
(loading lock screen + rest of sys at this point)
logo shrinks and goes away, boot is done.
Black screen. Pure black.
-------END OF CYCLE-------

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[Q] Help droid screen black

Was on Facebook and my droid screen went black it still has power but I can't do anything I shut it off and turned it on and it lights up with all different colors like when u lose signal in an old tv and it's salt and pepper I can get into the boot menu but recovery won't work ap fast boot failed to fix and if I let it go I get the dual core logo and it's stuck there is my digitizer screen broke cause I'm confused why will it load the boot menu and the logo but not everything else?
See http://forum.xda-developers.com/showthread.php?t=2648084
Sent from my Amazon Kindle Fire using Tapatalk

[Q] Stuck in Bootloop at Google logo

My Verizon Nexus 6 has never been rooted or had any sort of rom, it has always been stock. I just updated to 5.1.1. My Google Play Music app wouldn't work, so I rebooted my phone. Now it is in a bootloop, and gets to the Google logo, but the spinning dots don't show up. It eventually powers off and reboots after about 15 or 20 seconds and repeats the process. I have gone into the bootloader menu by holding the power button and volume down, and the options give:
Start gives google logo and goes into bootloop
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Recovery Mode gives google logo and goes into bootloop
Power Off turns phone off, turning it on puts it into bootloop
Factory (as in factory reset, I'm assuming) gives me the google logo and goes into bootloop. It does not perform a factory reset, it gets stuck before it even gets to that option.
Barcodes shoes the barcodes for imei and whatnot
BP Tools gives me google logo and goes into bootloop
QCOM gives me google logo and goes into bootloop
So what am I able to use to recover my phone? I mostly want to get my pictures and texts off. My pics are backed up on google, but not at original quality, so everything is compressed. I have some backups of texts, but there are some recent and important texts on it. Other than texts and original pics, everything is on the cloud, so that's fine. I'll be totally happy to get texts and pics and then factory reset, and I'll be satisfied to get just texts or my picture files and then factory, and I would accept just the use of my phone.
I have not unlocked the bootloader or rooted or put on custom ROMS, so I am not really familiar with that, but I suspect that there are software interfaces that should allow me to access the file system of my phone. Also, I'm not that familiar with android abbreviations, so please spell stuff out where possible.

Kindle Fire 7" - 3rd Generation (Soho) Stuck at Logo Screen, Possibly Bricked

I was given an old Kindle Fire HD 7" 3rd Generation KFSOWI - Soho completely stock and was playing with it a bit and decided to try the KingRoot app (NOT KingORoot). It was going along and got to 35% then said it failed and asked if I wanted to try again. I clicked try again. Thats when everything went downhill. It rebooted on its own then displayed the all white Kindle Fire logo then moved to the brighter white and orange logo with the glimmer moving across the screen. There it stays now. It wont go any further.
I have tried to use Vol - and PWR with it turned off to try to get to Recovery or Vol + and PWR for Fastboot but after the all white logo it just shuts off. Its as if the recovery utility is no longer there.
I do have a Fastboot/Factory cable I made a while ago and when I plug that in it does get to Fastboot mode. However in ADB on my desktop it wont see it there. If I plug in a standard USB cable to the Kindle and let it go to the white n orange logo then ADB will see it and brings up the Serial number but instead of saying "device" it says "unauthorized".
I am seriously at a loss right now as I have been googling to to fix this since it happened and all the ready made utilities are for other generation devices.
I have tried the usual holding the power button for 60 seconds to turn it off and then try turning it back on but nothing works.
Im just not sure what can be done with I cant get to recovery and ADB either wont see it or says its unauthorized.
PLEASE HELP!
John877 said:
I was given an old Kindle Fire HD 7" 3rd Generation KFSOWI - Soho completely stock and was playing with it a bit and decided to try the KingRoot app (NOT KingORoot). It was going along and got to 35% then said it failed and asked if I wanted to try again. I clicked try again. Thats when everything went downhill. It rebooted on its own then displayed the all white Kindle Fire logo then moved to the brighter white and orange logo with the glimmer moving across the screen. There it stays now. It wont go any further.
I have tried to use Vol - and PWR with it turned off to try to get to Recovery or Vol + and PWR for Fastboot but after the all white logo it just shuts off. Its as if the recovery utility is no longer there.
I do have a Fastboot/Factory cable I made a while ago and when I plug that in it does get to Fastboot mode. However in ADB on my desktop it wont see it there. If I plug in a standard USB cable to the Kindle and let it go to the white n orange logo then ADB will see it and brings up the Serial number but instead of saying "device" it says "unauthorized".
I am seriously at a loss right now as I have been googling to to fix this since it happened and all the ready made utilities are for other generation devices.
I have tried the usual holding the power button for 60 seconds to turn it off and then try turning it back on but nothing works.
Im just not sure what can be done with I cant get to recovery and ADB either wont see it or says its unauthorized.
PLEASE HELP!
Click to expand...
Click to collapse
Classic FireOS boot hang. Tough to fix on older (pre 5th gen) devices that do not offer a way to reload FireOS from stock recovery.
Unfortunately, this is not the correct forum for your device (this thread is for 5th & 7th gen Fire 7). You'll want to repost your question here: https://forum.xda-developers.com/kindle-fire-hd

Looping between charging/Android logos

Hi, so I got an A2 which has been submerged in water for a while. I was not turning on at all (just showing the white led light blinking), so I bought a new USB part and battery for it, replaced it, and now it seems to react.
However, it keeps switching between the charging logo for a second, then vibrates and shows the Android One logo (this switch goes on and on forever). I have tried the button combo to go into recovery, but as soon as the Android recovery boot logo appears, it'll still timeout into the charging logo.
Does anyone know what may be going on? Or what component to replace? (the phone was only days old when it accidentally got soaked, so everything is new and it's a shame to just throw it away)

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