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what version of Windows are you using? and did you delete any other drivers and install only the one from the Amazon download?

Windows users who previously connected a Kindle Fire tablet without first enabling ADB should remove the USB device driver and re-start the system and force re-installation of the driver. For : [This device cannot start. (Code 10) , you need to reboot the system] http://www.amazon.com/gp/help/customer/forums/kindleqna?ie=UTF8&cdForum=Fx1GLDPZMNR1X53&cdThread=Tx9HJLY293TCNW

> what version of Windows are you using? Windows 7, 32-bit, running in VirtualBox. > did you delete any other drivers and install only the one from the Amazon download? I have the Kindle Fire driver installed, but I’ve not been able to get the Kindle Fire device to use it. I’ve trying deleting the current driver, rebooting Windows, starting the ADB and then connecting the USB cable, with no success. I’ve also try to force the Amazon driver to be used, however when I tell Windows to look for the right driver inside the drivers installation path (C:\Program Files\ Amazon.com\Kindle Fire\Drivers), a dialog pops up with the message "The folder you specified doesn’t contain a compatible software driver for your device. […]". > Windows users who previously connected a Kindle Fire tablet without first enabling ADB should remove the USB device driver and re-start the system and force re-installation of the driver. I tried that several times with no success. How do I force the reinstallation of the driver? Why do I get "The folder you specified doesn’t contain a compatible software driver for your device. […]" when I try to? > For : [This device cannot start. (Code 10) , you need to reboot the system] http://www.amazon.com/gp/help/customer/forums/kindleqna?ie=UTF8&cdForum=Fx1GLDPZMNR1X53&cdThread=Tx9HJLY293TCNW According to that topic, the user’s Kindle Fire does not start. Mine does start, it’s running perfectly fine, and it is actually detected in a different machine without an issue. But my Windows system gives me that message nonetheless.

I just wanna check that, you have enabled ADB in device. Go to Settings>Security>Enable ADB > On This enables Kindle developers to debug over USB

Yes, it is enabled — as I said, I do get adb to detect my Kindle Fire in a different computer (64-bit Windows 7 running on VirtualBox).

Hi Adrianchaves, Can you please follow these steps? 1. Plug the KF 2nd Gen to your computer with USB cable 2. Go to [b]Device Manager[/b] and select [b]Kindle Fire[/b] -> [b]Android Composite Device[/b] 3. Right click on it and select uninstall. 4. Wait till uninstallation completes. 5. If this needs your computer to be restarted, please do that. 6. Unplug and replug the device to the computer 7. Wait till the installation completes. 8. Run this commands adb kill-server adb start-server adb devices Please let us know the result.

> 1. Plug the KF 2nd Gen to your computer with USB > cable > 2. Go to [b]Device Manager[/b] and select [b]Kindle > Fire[/b] -> [b]Android Composite Device[/b] Let me stop you right there. I do not get such an entry in the Device Manager. Quoting my initial post: > I should > eventually see an entry in the [b]Device Manager[/b] > that says [b]Kindle[/b], containing the device driver > [b]Android Composite ADB Interface[/b]. That never > happens, and my Kindle Fire is always placed in the > [b]Device Manager[/b] as [b]USB Composite Device[/b] > within the [b]Universal Serial Bus controllers > node[/b], despite having installed secveral times > (with system reboots and such afterwards) the Kindle > drivers, and having added the vendor id to that fine > inside .android.

Ok. I think that is the problem. Do you see anything like "Unknown Devices" or "Other Devices" which comes with "?" icon while the device is connected. You might have noticed that when you plug or unplug any usb device to or from a computer the device manager list gets refreshed on its own. Can you see after you connect the device what is new in that list? If anything is found, Please try to uninstall that. Then please follow instructions from my previous post. Let us know the result.