

After you complete the Setup Assistant you will be running a fresh installation of Snow Leopard. When the installation has finished the computer will restart into the Setup Assistant.Continue with the OS X installation and follow the directions. After formatting has finished quit Disk Utility.Click on the Options button and select GUID, click OK button, set the format type to MacOS Extended, Journaled.

Set the number of partitions to one (1) from the drop down menu. After Disk Utility loads select the out-dented disk entry from the side list (mfgr.'s ID and drive size.) Click on the Partition tab in the Disk Utility’s right window. When the menu bar appears select Disk Utility from the Utilities' menu.
