I just changed my hard drive in my macmini 2006 so it new. What do i do now how do i get snow leopard on it and install it . I have A few discs ( Macmini OSX install disc tiger and mac mini OSX install disc 2 tiger , Restore disc made this myself ,Leopard install disc and snow leopard install disc. How do i install these if my mac's hard drive is fully new . Do i turn it on and insert each disc Please explain.