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Apple Computing Products:
macOS - Operating System
downgrading with original disks
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<blockquote data-quote="RavingMac" data-source="post: 1452486" data-attributes="member: 45350"><p>Insert your OS DVD, restart the MBP and hold down the Option key while it is restarting. It should come up with a couple of choices to boot from, one of which should be the OS DVD.</p><p></p><p>EDIT: Some additional reference info on boot up choices</p><p><a href="http://support.apple.com/kb/HT1533" target="_blank">http://support.apple.com/kb/HT1533</a></p></blockquote><p></p>
[QUOTE="RavingMac, post: 1452486, member: 45350"] Insert your OS DVD, restart the MBP and hold down the Option key while it is restarting. It should come up with a couple of choices to boot from, one of which should be the OS DVD. EDIT: Some additional reference info on boot up choices [url]http://support.apple.com/kb/HT1533[/url] [/QUOTE]
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Apple Computing Products:
macOS - Operating System
downgrading with original disks
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