Video Game Console Repair Questions? Ask a Technician ASAP
Hello, What exactly is the issue you're having with the PS3? All you have posted for a question is "PS3".
Welcome to Justanswer.com, my name is Dustin.I'm sorry to hear about the issue you are having, I will do my best to help you resolve it.
It sounds like its asking for your Playstation network ID.
Do you know what email address you had registered your playstation account to?