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  1. #1


    Member Since
    Dec 26, 2008
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    Snow Leopard freezes when trying to boot from Leopard (10.5) DVD
    Hi. I have a new MacBook Pro with Snow Leopard. I thought I would try to boot from my Leopard DVD just to see if I could. I hold down the "Alt/Opt" key and it recognizes the hard drive and the Leopard DVD. When I choose the DVD, the system just locks up and then I can't do anything.

    I also tried changing the startup disk in System Preferences and then rebooted, but it still froze up on boot up.

    Anyone know how to fix this? Thanks.

  2. #2

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
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    If you want to boot from the Leopard DVD, reboot while holding down the 'C' key.

    Also, clean the disc whether it looks like it needs it or not.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  3. #3

    dtravis7's Avatar
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    iMac 2010 27" QuadI7 OS10.12, iMac 2008 OSX10.11, MBP Late2011OS10.12 , iPad Air, iPhone 3GS
    Is this a Retail Leopard DVD? If it's a Machine Specific DVD that came with another model Mac, it will not work.

  4. #4

    bobtomay's Avatar
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    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    And if this is a computer that shipped with Snow Leopard it may not work.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  5. #5


    Member Since
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    Quote Originally Posted by dtravis7 View Post
    Is this a Retail Leopard DVD? If it's a Machine Specific DVD that came with another model Mac, it will not work.
    Yes. It's a retail copy.

  6. #6


    Member Since
    Dec 26, 2008
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    Quote Originally Posted by bobtomay View Post
    And if this is a computer that shipped with Snow Leopard it may not work.
    Yes. My MacBook Pro came with Snow Leopard pre-installed. So you don't think it will work? I wonder why not? I might like to go back to Leopard some day.

    I also tried booting from the disk on my other iBook G4 that I have running Tiger and it can boot to the 10.5 disk fine.

  7. #7

    bobtomay's Avatar
    Member Since
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    The Leopard disc would not have the drivers for your machine.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  8. #8


    Member Since
    Dec 26, 2008
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    Quote Originally Posted by bobtomay View Post
    And if this is a computer that shipped with Snow Leopard it may not work.
    Quote Originally Posted by bobtomay View Post
    The Leopard disc would not have the drivers for your machine.
    Hmm. So it doesn't have a set of standard drivers that can help you "get by", like Windows installs sort of do, until you can get the updated drivers?

    Is there a way to make a customized Leopard disc copy that would include drivers for the install? Or can you not make custom install discs like that for Mac? (Probably more trouble than it's worth, though.)

  9. #9

    harryb2448's Avatar
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    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    You have Snow Leopard so just give Leopard a skip. The machine will not boot from Leopard discs period.

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