Thanks Meter 304
Join Date: Feb 2013
Location: New Braunfels, TX
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Plug your kindle into fastboot cable, then after your kindle displays "fastboot", plug your normal cable back into your PC, make sure the drivers install or fastboot command won't work. After that either use kffa or kfhd restore tool. I don't know much about kffa because I haven't ever had to use it. If u use kfhd restore tool, ignore the command on step 2.
Oh and as to twrp, its a recovery u can install over the stock kindle fire recovery that is pretty useless. It allows us to flash custom ROMs, and u can modify a few things in the filesystem like moving that file back to where it belongs and setting its permissions. You should be fine if you Install it after you fix this, just make sure you read its instructions and fellow them to a tee or you will get a red screen on boot and have to use your fastboot cable to restore the boot loader. I recommend using seokhuns tutorial in the android development section.
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