My name is***** am sorry to hear that you are having this issue.
I will be glad to assist you with this. Does the name of your home wifi network appear in the list of available networks on the readers wifi set up screen?
You can reply to me here by typing in the box below please.
Try these steps please>
On your Kindle>
Then on your Kindle> press and hold the power button for 20 seconds and then release. Then when the kindle powers back on>
Did that work for you?