Q: I renamed my Apple ID with new name but the old password is no more working. What should I do ? After renaming I am getting pop up message regarding icloud on my screen but I am unable to set off the message box now

Q: I renamed my Apple ID with new name but the old password is no more working. What should I do ? After renaming I am getting pop up ... I renamed my Apple ID with new name but the old password is no more working. What should I do ? After renaming I am getting pop up message regarding icloud on my screen but I am unable to set off the message box now more