[Kindle Fire Q&A, Help & Troubleshooting] mikeydjs:
Okay, so I've searched this entire day, literally like the past 13 hours has been spent searching xda kindle fire forums, and googling the hell out of the internet searching for a fix to a situation like mine but have gotten no where! So, if I have somehow missed another thread that has this figured out I am apologizing now, but like I stated before I have tried and tried searching before deciding to post this. Now, moving on to the issue.

My Kindle Fire is stuck at the boot logo. It seems to be in fastboot mode, (4002), but will not go any further. If it is hooked up to the pc, which I'm running Windows 7 64 it will sound as though it connects, the screen will show the kindle fire logo (orange) really brightly btw, then go black with a disconnect sound on the pc then quickly show the logo again, this time dimmer and the reconnect sound on the pc sounds again.

What I did to cause this. I had a Custom CM7 rom on this (I don't remember which), and had this rooted and customized since last January. I remember that TWRP never would come up right (I don't know which version again) unless I reinstalled TWRP everytime I wanted to install a new rom on it using KFU. This time was no different, except I made a stupid mistake. I was trying to reinstall the stock rom 6.3.1 which I downloaded directly from Amazon, put it in the sdcard directory using TWRP and didn't rename it completely, instead only chaning the end to .zip, and not renaming the whole thing as update.zip (not sure if that makes a dif). Anyway, I did a delvik/cache wipe (not a factory reset) and attempted to run the install of the factory rom. Everything seemed fine until it came to the boot logo, and nothing else.

What I've tried so far. I have tried all of this on two seperate pc's using windows 7 64. I have tried the unbrick utility making sure I had the latest and greatest, making sure I tried every which way it has to unbrick it to no avail. I have tried the KFU, again the latest and greatest trying everything IT has to see if any of it would make a difference to no avail, even chaning the bootmode but no matter which mode I try, the Kindle will reboot but stay stuck regardless of whatever I tried after the reboot. I have tried using command prompts to bring up ADB Shell but again, when I run ADB devices it will show up, and the drivers hardware ID's are correct according to all the forums with the drivers listing the Kindle as an ADB android device but when I try to run a shell command it says that no such directory is found or something of the sort. If it doesn't say that than it will simply state that it is waiting for the device, and I do try to disconnect then reconnect the cable at this time, even rebooting the Kindle but it never moves past "waiting for the device". I have tried shorting it by opening the case and putting something metal to the one point and the metal border but the most that did was turn the device off! When I try to turn it on again it simply stays on the boot logo. I have tried the factory cable, and still nothing works! I have changed the script for the driver to make sure it recognized the Kindle but that didn't work either.

I am at the end of my rope here, and I am begging for someone to simply help me who may know exactly what I am going through that knows what to do! I am sorry for the lenghty post, but I figure certain questions will be asked if not for my detailed accounts of what's happened and what I have done to this point. Thank you to anyone reading this and thanks to anyone who replies, you have my gratitude!