Repair or erase a hard disk or other storage devices with Disk Utility.Check internet connection and get help online using Safari.For Mac Snow Leopard, there is also the Snow Leopard recovery that helps you Pre-installed into Mac, OS X Recovery is a facility provided by Apple computers that enables you to restore or reinstall Mac OS X without using a physical recovery disk. PAGE CONTENT: About Snow Leopard Recovery Mode How to Boot into Snow Leopard Recovery Disk How to Reinstall Mac OS X How to Recover Data from Mac OS X and macOS About Snow Leopard Recovery Mode