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Apple Computing Products:
macOS - Operating System
downgrade possible from 10.6.4 to 10.5.4???
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<blockquote data-quote="pigoo3" data-source="post: 1087443" data-attributes="member: 56379"><p>If this MBP is 12-18 months it probably shipped with either OS 10.5.4 or 10.5.7...if it's between 18-24 months old it may have shipped with OS 10.5.2.</p><p></p><p>If your 10.5 install disk is older (such as 10.5.0 or 10.5.1)...this could explain why it's not booting from the 10.5 disk you have.</p><p></p><p>As far as the gray disk for this MBP. If you can find it...it certainly should boot from it...and then that would also tell you what the minimum version of the Mac OS it can run.</p><p></p><p>HTH,</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1087443, member: 56379"] If this MBP is 12-18 months it probably shipped with either OS 10.5.4 or 10.5.7...if it's between 18-24 months old it may have shipped with OS 10.5.2. If your 10.5 install disk is older (such as 10.5.0 or 10.5.1)...this could explain why it's not booting from the 10.5 disk you have. As far as the gray disk for this MBP. If you can find it...it certainly should boot from it...and then that would also tell you what the minimum version of the Mac OS it can run. HTH, - Nick [/QUOTE]
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Apple Computing Products:
macOS - Operating System
downgrade possible from 10.6.4 to 10.5.4???
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