Answer:
it might be locked down so hold down the button for 20 sec and do a hard shut down, if it doesn't cut on try holding it down for down for 30 secs. . IF that doesn't work there should be a port next to the power button. you can connect a micro-b cable to the kindle and then connect it to a computer or laptop if you have one. There is a video where it shows you how to take it apart and repair if none of this helps
Explanation: i hope this helps