Learn how to reinstall Mac OS 9, or how to recover after performing a Mac OS 9 Software Restore option on your Mac OS X disk. You might need to do this to install a System Folder for Classic.This does not affect your computer if the Mac OS 9 System Folder that you are restoring is located on a different hard disk or hard disk partition than Mac OS X.This document can help if: The computer will not start up from Mac OS X. When you try to do so, an icon of a belt around a folder appears on screen. Mac OS X files are not in their expected locations after using a Mac OS 9 Software Restore. Important: This refers to older, single-disc Software Restore CD-ROMs, not to newer multi-disc versions. You see an alert box with this message during installation: "Problems were encountered accessing the file 'icon' on the disk 'Macintosh HD.' Please move the file to another folder and try again."