How to solve boot loop issue on Kindle Fire TWRP 2.0?

Note – adb.exe is located in Kindle Fire Utility\tools folder or
C:\Program Files (x86)\Android\android-sdk\platform-tools.

1. Plug in USB cable to Kindle Fire on TWRP Recovery mode.
2. Bring up Command Prompt.
3. Key in adb shell.
4. Key in idme bootmode 4000.
5. Finally, key in reboot.
6. That’s it.

from http://goo.gl/pBddc

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