Originally Posted by Wondrej
I had similar problem with this and it was, surprisingly, the drivers, you'll need to install them after you connect the device in fastboot again. I thought that if the drivers are working fine when connecting with normal USB, they will work for fastboot too, but I was wrong.
No dice. Uninstalled previous drivers. Rebooted computer. Connected Kindle until it got to the fastboot logo then installed drivers. It didnt take. Shut off the Kindle and reconnected. Still showing as an unrecognized device.
HTC G1 - Rooted, CM 6
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