The problem you’re having is often due to the software in the Kindle locking up and it needing to be rebooted. To do this, simply press and hold the power button on the Kindle for 25 seconds, then release and wait a full minute for it to reboot.
Solution to Kindle stuck in USB Drive Mode even when Ejected … noticing that reading a lot on traditional mobile device screens was becoming .
Press and hold, or slide and hold, the Power button for a full 40 seconds, even after the screen goes blank, then let go. Press or slide the power button to restart if the device does not start up again on its own.
When I plug my Kindle with the USB in I get a screen saying USB Drive Mode If you want to read or shop on your Kindle while continuing to .