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  1. #1


    Member Since
    Mar 14, 2009
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    14
    Problems with Snow Leopard upgrade
    I've just bought Snow Leopard and when I try to install the disc a message pops up saying this disc needs 10.5. or later installing first.

    I'm currently running OS X 10.4.11.

    Any ideas what I'm doing wrong or what I need to do?

    Thanks in advance

  2. #2

    Raz0rEdge's Avatar
    Member Since
    Jul 17, 2009
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    Specs:
    27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 6S, iPod Nano 7th GeniPad 3
    Unless I'm mistaken, the error is very clear..you are trying to upgrade tom 10.4.11 to 10.6 while only 10.5 to 10.6 is the upgrade path. The Snow Leopard CD, however, is capable of doing a full installation of SL from scratch..

    Regards

  3. #3


    Member Since
    Mar 14, 2009
    Posts
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    I was guessing that I needed to upgrade from 10.4 to 10.5 first but wanted to check on here.

    So are you saying it is possible to install SL without upgrading to 10.5 first? If so, can you point me in the direction of how?

    Cheers

  4. #4

    MadGamer's Avatar
    Member Since
    Sep 20, 2009
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    UK
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    Restart your machine with the DVD in the drive and hold down the C key, while its booting.

  5. #5


    Member Since
    Mar 31, 2008
    Posts
    385
    Strange. I managed to install Snow Leopard on my friend's Mac running Tiger. I wonder how that worked out.

  6. #6


    Member Since
    Mar 14, 2009
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    Thanks for your help Madgamer. I've tried this several times and I still get the same problem.

    Sadly I never have time to call Applecare in the day and get home around this time at night when the offices have closed.

    Any other ideas how I can upgrade to SL?

  7. #7

    MYmacROX's Avatar
    Member Since
    Mar 17, 2009
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    Specs:
    2008 15" MBP Yosemite, 2012 21.5" iMac Yosemite
    You can wipe your HD and install SL fresh and new.

    Just follow this video tutorial on Youtube.

  8. #8


    Member Since
    Mar 14, 2009
    Posts
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    Aaaaaarrrgghh.

    Thanks for all your help so far. I checked out the Youtube clips and tried to follow it step by step but everytime it got to the Mac OS X Installer page it came up with this message,

    "This disc requires that Mac OS X 10.5 or later already be installed on your computer."

    I managed to by pass this message and go into Disk Utility to wipe my HD but still when I re-boot with the SL disc in the drive it brings up the above message.

    Just to clarify, my machine is a MacBook with an Intel processor.

    Could it be the disc? Are there different types of SL upgrade discs?

  9. #9


    Member Since
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    Back to my old 2.2GHz C2D MB after selling my MBP and wondering what my next Mac will be :)
    Is it the machine specific snow leopard, or the retail version?
    The OS discs shipped with macs are machine specific!

  10. #10

    Collin Bl's Avatar
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    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    I had similar issue when putting Tiger back on MBP then later doing a Leopard re install. As i recall ended up resetting the SMC then got it to boot off Leopard DVD.

  11. #11


    Member Since
    Mar 14, 2009
    Posts
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    I'm guessing it may be the latter? I got it off Ebay.

    The disc says "CPU Drop-in DVD" on the left and "This software is part of a hardware bundle" on the right.

    Does that mean it's machine specific? Any other way to tell?

    Cheers

  12. #12


    Member Since
    Mar 14, 2009
    Posts
    14
    Quote Originally Posted by Collin Bl View Post
    I had similar issue when putting Tiger back on MBP then later doing a Leopard re install. Ended up resetting the SMC then doing PRAM reset then got it to boot off Leopard DVD.

    Sorry to sound like a complete newbie but what does SMC and PRAM stand for?

  13. #13

    Collin Bl's Avatar
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    Specs:
    27 iMac i5, MBP 13 & iMac 20, 2TB dual TC, AppleTV, iPh4S
    here i removed PRAM ref as initially i could not do that
    and you want one of these;


    Click for full size

  14. #14


    Member Since
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    Specs:
    Back to my old 2.2GHz C2D MB after selling my MBP and wondering what my next Mac will be :)
    And this is the Retail Install Snow leopard DVD
    Attached Images Attached Images

  15. #15


    Member Since
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    Specs:
    Back to my old 2.2GHz C2D MB after selling my MBP and wondering what my next Mac will be :)
    SMC System Management Controller
    PRAM Parameter Random Access Memory
    The gist is though that you have the wrong disc

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