Hi my name is ***** ***** I will be the expert working with you today to help resolve your problem.
try to close the book you are reading and be on the home screen
Perform the steps given below
1. Push and hold down the power button for 35 seconds and let the Kindle shut down
2. Wait for 3 mins and then push and release the power button to turn on the kindle.
This will clear the static energy of the device and will fix the problem for you.
Try the steps every 15 days
let me know if you have any question.