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Ask Max: How Can I Uninstall Tiger?

Asked on 10/02/2008:

I have a G4 tower that was running OS 9.0.4 and working well. I wanted to upgrade to Tiger and was not aware until after I installed Tiger that it is necessary to install OS 9.1, 9.2.1 and 9.2.2 before doing so.

If I uninstall Tiger and then install these intermediate OS versions, I can then reinstall Tiger and expect things to work, right? So, my question is; how can I uninstall Tiger?


There is no way to uninstall a Mac OS. In most cases you can do an Archive and install of the older OS. This is an install option when booted off the Install Disc and it will move the previous OS to an archive and install a fresh operating system.
To go back to OS 9, you may have to format/erase the drive first. If you do not have personally-created info on the drive, than there is not problem. If you have documents you want to save you should back them up to a CD or other storage device before formatting the drive.

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