I'm sorry about the issue. What's the model of your kindle?
Do you need you did the option Reset to Factory Defaults on the kindle?
Can you please press and hold the the power on / off button on the kindle for about 30 seconds, then turn it back on, then let me know what you see on the kindle's screen?
Please reply at the box below. Thank you,
When you registered the kindle, did you enter the correct email address for the Amazon account you want?
When you are available, please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,