Authntication problem

I am new to Manjaro. I am using Manjaro XFCE on Apple MacBook Air. I have chosen to have the same password for signing in and administration. I can sign in but I cannot authenticate. Kindly let me know, how to resolve this problem.

Welcome to the forum! :wave:

Please edit your topic title to more clearly and concisely describe the problem. Purposely misspelling a word because the topic title with the correct spelling was already used is not acceptable.

To what?

With what when you do what?

Please see: