"Have you lost" x "Did you lost": Qual a diferença

Hi folks!

I'm new here and I am a english student like the most of you ;p
first of all, this site/forum is great! So many ways to learn english and so many
information... all this in one place! I'm really grateful for have the opportunity to be
here and learn and teach all that i can.

well, let's to the question.

1) Have you lost your mind?
2) Did you lost you mind?

what is the diference between this 2 questions?
they are all correct?

sorry for the 'simple' questions, but. that is it!

see ya!