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Mountian Lion will not install

720 Views 18 Replies Latest reply: Dec 17, 2012 7:22 PM by akscanlan RSS
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akscanlan Calculating status...
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Dec 10, 2012 6:06 AM

I have been trying to install Mountian Lion and the installer program works fine, but when it goes to restart my MacBook Pro just restarts normally without installing Mountian Lion.  What am I doing wrong?

  • macjack Level 9 Level 9 (50,445 points)
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    Dec 10, 2012 6:12 AM (in response to akscanlan)

    Have you checked in Apple menu > About this Mac for the version?

    Are you sure you are installing to the correct volume?

    Tey installing in Safe Mode and see if the problem still occurs.

    Restart holding the "shift" key.

    (Expect it to take longer to start this way because it runs a directory check first.)

  • macjack Level 9 Level 9 (50,445 points)
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    Dec 10, 2012 10:36 AM (in response to akscanlan)

    That is very odd. I'll ask around and see if anyone has ideas.

  • LexSchellings Level 5 Level 5 (5,505 points)
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    Dec 10, 2012 10:50 AM (in response to akscanlan)

    Give the details about your mac.

    System Information in /Utilities, first page, Hardware, complete without the serial number and hardware UUID.

  • Frank Caggiano Level 7 Level 7 (22,830 points)
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    Dec 10, 2012 10:50 AM (in response to akscanlan)

    Where did you get the installer from? Why are you doing the steps you are doing (starting in safe mode and running the installer)?

     

    Log into the App Store using the same Apple ID you used to buy ML and download and install from there.

  • macjack Level 9 Level 9 (50,445 points)
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    Dec 10, 2012 10:56 AM (in response to Frank Caggiano)

    Frank Caggiano wrote:

     

    Why are you doing the steps you are doing (starting in safe mode and running the installer)?

    Because I suggested trying that.

  • wwalkup Calculating status...
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    Dec 10, 2012 11:00 AM (in response to macjack)

    Hi All,

     

    FWIW I'm having the exact thing happen on my Mac Pro.  Its a 2008 model, 2x quad core 2.8, QuadroFX, 2x HDs in Raid 1 (1 set 3 TB, 1 set 500 GB).  I've tried installing on both RAID arrays and it doesn't work for either.  Both still set at 10.7.5 in system profiler.  Source of the Mountain Lion Mac Update is a DMG downloaded from my school's sofware website.

  • Frank Caggiano Level 7 Level 7 (22,830 points)
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    Dec 10, 2012 11:02 AM (in response to macjack)

    Ah just saw that 

     

    Still woudl like to know how the OP originally got the installer

  • baltwo Level 9 Level 9 (59,180 points)
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    Dec 10, 2012 11:24 AM (in response to wwalkup)

    wwalkup wrote:

    FWIW I'm having the exact thing happen on my Mac Pro.  Its a 2008 model, 2x quad core 2.8, QuadroFX, 2x HDs in Raid 1 (1 set 3 TB, 1 set 500 GB).  I've tried installing on both RAID arrays and it doesn't work for either.  Both still set at 10.7.5 in system profiler.

    I've never tried with a RAID setup, so can't reply.

    Source of the Mountain Lion Mac Update is a DMG downloaded from my school's sofware website.

    Then, DL it from the MAS and try that. It might be balking because it doesn't match your AppleID info.

    27" i7 iMac SL, Lion, OS X Mountain Lion (10.8.2), G4 450 MP w/Leopard, 9.2.2
  • Frank Caggiano Level 7 Level 7 (22,830 points)
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    Dec 10, 2012 11:24 AM (in response to akscanlan)

    So you downloaded and try to installed right off or did you save the installer file before doing the install?

  • Kappy Level 10 Level 10 (221,095 points)
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    Dec 10, 2012 11:53 AM (in response to wwalkup)

    You cannot install on a RAID. But you can clone from any other installation.  The reason is because the installer cannot partition a RAID in order to install a Recovery HD.

  • Kappy Level 10 Level 10 (221,095 points)
    Currently Being Moderated
    Dec 10, 2012 11:58 AM (in response to akscanlan)

    Have  you tried re-downloading Mountain Lion? You will need to remove the installer application from the Applications folder to do this.

     

    As an add-on suggestion:

     

    Repair the Hard Drive and Permissions - Lion/Mountain Lion

     

    Boot to the Recovery HD:

     

    Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

     

    Repair

     

    When the recovery menu appears select Disk Utility. 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 then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.

     

    And, if this doesn't get it to install properly consider reinstalling 10.7.5:

     

    Reinstalling Lion/Mountain Lion Without Erasing the Drive

     

    Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

     

    Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.

     

    When the recovery menu appears select Disk Utility. 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 main menu.

     

    Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.

     

    Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

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