I installed OSX lion from Leopard. but after install the initial satup window appeared. after filling all the infos it again show me the initial welcome setup window. i tried several times no work. but user name i used different one coz wont allow me use same as previous user names. please help me my mac-book is ruined now Mac-book A1181 (core2Duo 2.16) 3 GB RAM 160 HDD