Hi all I hate to create new thread but I found nothing about my prb . I have burnt iBoot on a CD and insert it to CD drive . when it runs I eject it and again a insert Mac Os X Snow Leopard "Retail" to the drive and at the end press Enter ... The Apple logo appear . so I wait about 20 mins and more but nothing happens ! it makes me to reset my computer . what is wrong here ? Notice : 1. mainboard : gigabyte ( its an old version for 2008 ) CPU : Intel Core2Due Graphic : Geforce 8600 2. there is nothing named "PCH SATA Control Mode" in my bios settings . would you mind helping me guys ? P.S : Sorry for my awful EN !