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For Macintosh computers with PowerPC processors running Mac OSħ.5.5, install the PowerPC interrupt extension.Mac OS 7.5 updates to 7.5.3 (with Update 2.0).Install the software and run any needed updates.Select the option to do a clean system installation.
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Launch the system software installer, then press.Installation CD in the appropriate drive, then restart your computer. Mac OS 9.1 and 9.2 update to 9.2.1 (This update is only available.In Mac OSħ.6, check Create new System Folder (clean
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HOW TO CLEAN INSTALL MAC OS X FOR MAC OS
For more information about booting from other media, see ARCHIVED: On a Mac, how do I change my startup volume or boot from anĪlternative volume, disc, or device? Clean install for Mac OS 7.6 and later The computer will use the floppy orĬD as its startup disk, and you should be able to begin your clean Your CD-ROM drive, restart your computer, and immediately press theĬ key. If you have floppyĭisks, insert the first system installation disk in your floppy diskĭrive, then restart your computer. Installation software for your operating system. These are the media, either floppy disks or a CD-ROM, that have the Note: In the following instructions, you will beĭirected to boot your computer from your system installation disks. Only necessary if parts of the system have become corrupt or damagedĪnd cannot be repaired by utility programs such as Disk First Typically, the old System Folder is renamed Similar feature called Archive and Install, this document applies onlyĪ clean install replaces the System Folder, which containsĪll the vital parts of the Mac OS, instead of updating or modifying Note: Although Mac OS X 10.2 and later has a Information here may no longer be accurate, and links may no longer be available or reliable. This content has been archived, and is no longer maintained by Indiana University.