Originally Posted by Th3-Chronikk
It says Android Composite Adb Interface
This is what I recommend: if you installed Android SDK, go ahead and uninstall it. It's only an absolute necessity if you're a developer or running it a virtual environment. Clean all traces of any part of Android drivers or leftovers files and folders. Next, uninstall the drivers from Device Manager under Computer or My Computer. Reboot your PC or laptop.
Next, download vashypoo's Kindle Fire Utility, available in the Kindle Fire's Android Development forum, and extract it. Inside of the extracted folder should be a .bat file to install drivers. Right click, select Run As Administrator, and follow the on-screen instructions. Once it's completed, reboot.
Inside one of the KFU folders (I can't remember if it's files or tools) is ADB. Right click while pressing Shift on your PC keyboard, open a command window, and type the following:
If all goes well, your Fire should be listed. These are the steps I followed when I ran into this exact same issue. I hope it works!
Sent from my Kindle Fire using xda premium