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mountain lion install failed

180 Views 2 Replies Latest reply: Aug 5, 2012 1:18 PM by rlsoude RSS
rlsoude Calculating status...
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Aug 5, 2012 12:52 PM

I have a macbook running 10.6.8 and the mountain lion install just failed.

Any helpful hints? i am trying to reinstall now...

 

thanks,

MacBook, Mac OS X (10.6.8)
  • Kappy Level 10 Level 10 (221,015 points)
    Currently Being Moderated
    Aug 5, 2012 12:55 PM (in response to rlsoude)

    Can you provide any more information such as error messages, where it failed, etc.

     

    Did you do this before trying to upgrade:

     

    Repair the Hard Drive and Permissions

     

    Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.

     

    If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.


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