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Apple Computing Products:
macOS - Operating System
OS X Lion Downgrade on new MBP
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<blockquote data-quote="pigoo3" data-source="post: 1291632" data-attributes="member: 56379"><p>Far as I can tell...the very latest MacBook Pro's are capable of booting OS version 10.6.6. Thus in order to install Snow Leopard (OS 10.6) you need to find/purchase a Snow Leopard install disk that is version 10.6.6 or newer (the latest version of Snow Leopard is 10.6.8).</p><p></p><p>FYI...Snow Leopard install disks were/are available starting with version 10.6.0...and possibly 1-2 other versions in between 10.6.0 and 10.6.6. If you try to install Snow Leopard (10.6) with an install disk older than 10.6.6...your MacBook Pro may just "spit" the disk back out...or refuse to do the install.</p><p></p><p>So long story short...if you wish to downgrade your OS from Lion...you need a Snow Leopard install disk that is version 10.6.6 or newer.</p><p></p><p>HTH,</p><p></p><p>- Nick</p></blockquote><p></p>
[QUOTE="pigoo3, post: 1291632, member: 56379"] Far as I can tell...the very latest MacBook Pro's are capable of booting OS version 10.6.6. Thus in order to install Snow Leopard (OS 10.6) you need to find/purchase a Snow Leopard install disk that is version 10.6.6 or newer (the latest version of Snow Leopard is 10.6.8). FYI...Snow Leopard install disks were/are available starting with version 10.6.0...and possibly 1-2 other versions in between 10.6.0 and 10.6.6. If you try to install Snow Leopard (10.6) with an install disk older than 10.6.6...your MacBook Pro may just "spit" the disk back out...or refuse to do the install. So long story short...if you wish to downgrade your OS from Lion...you need a Snow Leopard install disk that is version 10.6.6 or newer. HTH, - Nick [/QUOTE]
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Apple Computing Products:
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OS X Lion Downgrade on new MBP
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