Thanks Meter 603
Join Date: Feb 2013
Location: New Braunfels, TX
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Doesn't sound hard bricked, I would hook it up to a fastboot cable to see if it will enter fastboot mode, though the bootloader seems to be acting odd(unless it's a low battery but I think it would flash a low battery symbol on the screen instead of kindle fire).
Sent from my Amazon Kindle Fire HD running CM10.1 Tablet UI using xda-developers app
My Wallpaper Fix for KF2, KFHD 7", and KFHD 8.9" is HERE
Please Read the instructions and use the debugger if you run into errors.
My own modified adb drivers for just about all kindles (includes old twrp and cm versions) HERE
Tablet UI Patch for latest CM10.1 build HERE
Please send complaints to /dev/null