[...]"None of the tips on the Web helped, but I did call Kindle Support and here is what worked (in this exact sequence):
1. Slide the power button and hold it for 30 sec.
2. Release and wait for 20 sec until the screen begins to flash.
3. As soon as it does, plug in the power and keep it connected for 2 hours.
Worked as a charm!"[...]
Quelle