Don’t worry. If your Kindle won’t turn on try these steps given below and fix your issue.
Hard Reset your device. The first is to hold the On/Off button 40 seconds. Until you see a picture of a tree with a boy reading underneath it.
If the Kindle doesn't boot. Set it to charge about 2 hours or even better overnight. Try hard to reset the device again.
If this doesn't work you can assume that it's a hardware issue and proceed to contact [https://www.ireadebooks.com/kindle-problems.html|Kindle support number].