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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="dphilly53" data-source="post: 1090240" data-attributes="member: 166474"><p>SPECS: </p><p>MacBook PRO</p><p>2.8 GHz Intel Core 2 Duo</p><p>4GB Memory</p><p>500GB Hard drive</p><p></p><p>OK. So this MacBook PRO currently has OS X 10.6.4 </p><p>All my other machines (G5's) have OS X 10.5.6</p><p></p><p>The problem I am having - I insert the GRAY disc that came with the MacBook Pro and it will not boot off of it. I have even tried with an external USB CD/DVD reader and it still won't boot. It recognizes it when I press and hold C, but when I select the disc it just reboots over and over again. </p><p>(are the gray disc's machine specific as in serial # specific? because 3 of these were ordered at the same time and I just have one set of the gray disc's)</p><p></p><p>Same thing if I place the disc in when the computer is running. It says to hit RESTART to begin installation, but then it just reboots over and over. </p><p></p><p>I know this is a mess guys and I appreciate your help! Again, just trying to learn! </p><p>THANKS!</p><p>~D</p></blockquote><p></p>
[QUOTE="dphilly53, post: 1090240, member: 166474"] SPECS: MacBook PRO 2.8 GHz Intel Core 2 Duo 4GB Memory 500GB Hard drive OK. So this MacBook PRO currently has OS X 10.6.4 All my other machines (G5's) have OS X 10.5.6 The problem I am having - I insert the GRAY disc that came with the MacBook Pro and it will not boot off of it. I have even tried with an external USB CD/DVD reader and it still won't boot. It recognizes it when I press and hold C, but when I select the disc it just reboots over and over again. (are the gray disc's machine specific as in serial # specific? because 3 of these were ordered at the same time and I just have one set of the gray disc's) Same thing if I place the disc in when the computer is running. It says to hit RESTART to begin installation, but then it just reboots over and over. I know this is a mess guys and I appreciate your help! Again, just trying to learn! THANKS! ~D [/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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