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this mac os can't be installed on this computer

4161 Views 15 Replies Latest reply: Feb 18, 2012 11:04 AM by hsafronchik RSS
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hsafronchik Calculating status...
Currently Being Moderated
Feb 14, 2012 8:54 AM

Hello

 

I have this problem i can't resolve

I want to put my macbook pro to cero. To manufacturer settings.

 

I have the mac os 10.6.3 Disc Version 1.0 2Z691-6653-A that came with my Mac.

When want to start up from the disc and reinstalled Snow Leopard I have a pop up saying "This mac os can't be installed in this computer" just after the choose of language.

 

I have tried erasing the disc with disc utility (Journaled) before start up.

Also during start up after first screen where you choose lenguage.

Also erasing partitions.

 

But nothing happend.

Always the same "This mac os....."

 

I have read about this problem, and it sopused to be something about the software that come with the computer is a different version the one of the disc it come with the computer.

 

Anyone has a solution?

 

Thanks

Hernan


MacBook Pro, Mac OS X (10.6.3)
  • Courcoul Level 6 Level 6 (11,180 points)
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    Feb 14, 2012 10:25 AM (in response to hsafronchik)

    Are you absolutely sure that is the install DVD that came with that Mac?

     

    No chance it got mixed up with a buddy's?

  • wjosten Level 10 Level 10 (91,410 points)
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    Feb 14, 2012 10:49 AM (in response to hsafronchik)

    You need the retail Snow Leopard disk. US $29 from any Apple store.

  • Courcoul Level 6 Level 6 (11,180 points)
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    Feb 14, 2012 11:00 AM (in response to hsafronchik)

    The installer won't let you downgrade. So you have to boot from the Install DVD, run Disk Utility and Erase the boot volume (Macintosh HD). Then quit Disk Utility and run the installer again. Note that ALL info on the computer will be lost, so be sure to have a backup if there's anything there you want to save.

     

    Be absolutely sure the Install DVD is for that specific model. Else you will be left with a non-functioning Mac and nothing to restore it from.

  • wjosten Level 10 Level 10 (91,410 points)
    Currently Being Moderated
    Feb 18, 2012 8:03 AM (in response to hsafronchik)

    Either get the retail Snow Leopard disk, or you're gonna have to do this: erasing the disk won't work, you're gonna have to select the mfg's name of the disk & re-partition it first...single volume, GUID partition, now try the disk that shipped with your computer. It should work.

  • eww Level 9 Level 9 (52,975 points)
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    Feb 18, 2012 8:15 AM (in response to hsafronchik)

    have installed 10.6.6 in my computer (That's how it came from the macstore miami)

    But the disc is 10.6.3

     

    Your problem is that your computer can't run a lower OS version than the one that was installed on it when it came from the factory, and you're trying to install a lower version. You are using the wrong disk. Retail Snow Leopard DVDs contain 10.6.3, so you can't use a retail disc, and the disk that Apple shipped with your computer contains 10.6.6. If you can't find the right disc for your machine, or if the store in Miami mistakenly gave you the wrong disc instead of the one that was originally packed with your machine, you can call AppleCare and order duplicates of the original discs. Have your machine's serial number handy when you call.

  • wjosten Level 10 Level 10 (91,410 points)
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    Feb 18, 2012 8:17 AM (in response to eww)

    From the OP's initial post:

     

    "10.6.3 Disc Version 1.0 2Z691-6653-A that came with my Mac"

     


  • eww Level 9 Level 9 (52,975 points)
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    Feb 18, 2012 8:32 AM (in response to wjosten)

    Yes, the OP says that. Unfortunately the OP also says that 10.6.6 was installed on the machine when it came from the store, and that contradicts the former statement. The evidence of his or her inability to install 10.6.3 on the machine suggests strongly that the latter statement is the accurate one, if either is. If the machine was opened and unpacked in the store, it's quite possible that the store gave him or her the wrong disc instead of the one that actually did come with it, resulting in the present predicament. We don't have enough facts to be sure about what happened, but we can be sure that if the OP orders duplicates of the discs that were really shipped with the computer, they will work.

     

    I really wish Apple would publish a list of its part numbers for all the model-specific discs that have been shipped with Macs over the last five years or so and all the retail discs that have been issued over the same period, enabling anyone to check and see whether they have the discs they're supposed to have. It would then be a simple matter to check the part number hsafronchik has provided and see whether it's the retail disc or a model-specific one, and which model it belongs with. The fact that its part number begins with 2 suggests that it's part of a model-specific set, but it evidently isn't the right set for whatever model hsafronchik's computer is.

  • wjosten Level 10 Level 10 (91,410 points)
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    Feb 18, 2012 10:58 AM (in response to hsafronchik)

    "BUT I'VA UPDATED TO 10.6.8)"

     

    That's why the original disk that shipped with your Mac won't work. As I stated in the beginning, you need the retail Snow Leopard disk...US $29 from Apple.


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