Clean HDD & load Mountain Lion when it was a Leopard install when bought

Hi,
I want to clear my hard drive and do a fresh install of the operating system.  My reason for this is my Pro is sluggish and I have a lot of unnecessary software and to be honest I want to give it a go.
My questions is this - I bought it many years ago and it had Leopard as it's original operating system but is now upgraded to Mountain Lion. Can I install Mountain Lion at the outset or do I have to install Leopard and then perform the upgrades to return it to Mountain Lion?
Hope you can help.
Mark

You can boot into your Mountain Lion Recovery partition (hold down the Command and R keys whilst booting), use Disk Utility to erase "Macintosh HD" (or whatever you've named your boot drive) and then reinstall a clean copy of Mountain Lion. You will likely need your Apple ID to install ML, so make sure that you've the ID name and password handy.
Good luck,
Clinton

Similar Messages

  • Clean HDD & Load Mountain Lion when it had Leopard installed at purchase

    Hi,
    I want to reinstall my operating system to clean my laptop and maybe speed it up a bit.  When I install the OS I want to go straight to Mountain Lion rather than Leopard and then go through all the upgrades.  I understand that I can doing this if I do the following:
    You can boot into your Mountain Lion Recovery partition (hold down the Command and R keys whilst booting), use Disk Utility to erase "Macintosh HD" (or whatever you've named your boot drive) and then reinstall a clean copy of Mountain Lion. You will likely need your Apple ID to install ML, so make sure that you've the ID name and password handy.
    I just want a little reassurance that this is correct.  In my head I am struggling to see how I will log onto the app store for Mountain Lion if I have HDD.
    Hope you can reassure me.
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    That is the correct procedure.  It will use your Apple ID and password to verify you have a license for Mountain Lion.
    Apple might not let you purchase Mountain Lion from the App Store now that Mavericks has been released.  See https://discussions.apple.com/message/23497806#23497806
    If you want to speed up your Mac you might consider jumping to Mavericks.  Apple claims, and people have been reporting, that is is noticeably faster than Mountain Lion.  If you purchase Mountain Lion it will cost you $19.95.  An upgrade to Mavericks is free.

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    We need to know more about your system, please download EtreCheck and run the report and please post it on your next reply. Then we can see how your system is configured, what apps are on it and look for anything obvious. We will look forward to seeing your report.

  • TS3276 Anyone experiencing problems sending mail using TalkTalk - can receive but not send  - was ok up until pm 24/08/12 - have recently loaded Mountain Lion patch could this be the problem?

    Anyone experiencing problems sending mail using Apple Mail viaTalkTalk - can receive but not send  - was ok up until pm 24/08/12 - have recently loaded Mountain Lion patch could this be the problem?

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    I used to shoot video in my Powershot S3 IS (Format MVI_.AVI) and load them into iPhoto, I used quicktime pro so I could convert for emailing to family members.  That was when I was running Leopard now with Mt. Lion nothing works.  Videos do not open at all.  Any simple suggestions, I am not real keen on iMovie Productions and not real certain how they compress for emailing attachments.  Something simple here that I am missing?  Thanks so much.  I am a grandpa trying to share with family members far away (quickly & simply).

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    There are many third-party apps available if you wish to search for them. Many are even available in the App Store. Most do their job well and it is usually a matter of personal user preference as to which is best.
    HandBrake seems more suited to folks with more experience and knowledge.
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  • Ever since I  loaded mountain lion, my macbook runs very badly.  It it very slow to react to any commands or cursor movements.  It freezes for about 15 seconds at a time.  It does not have that fact response like when I first bought it.  Any suggestions?

    Ever since I loaded Mountain Lion onto my Macbook, it runs very badly.  It freezes for 15 seconds, does not respond to cursor instructions and just reacts very slowly.  Any suggestions?

    You have a better chance of a response over on the Mtn. Lion community.
    https://discussions.apple.com/community/mac_os/os_x_mountain_lion

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    I have just done a clean installation  of mountain lion.
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    kind regards to everybody.

    Many thanks for your answer.
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    Path:            /Applications/Aperture.app/Contents/MacOS/Aperture
    Identifier:      com.apple.Aperture
    Version:         3.4.3 (3.4.3)
    Build Info:      Aperture-310022000000000~2
    App Item ID:     408981426
    App External ID: 12009533
    Code Type:       X86-64 (Native)
    Parent Process:  launchd [117]
    User ID:         501
    Date/Time:       2013-01-02 18:22:43.533 +0100
    OS Version:      Mac OS X 10.8.2 (12C60)
    Report Version:  10
    Interval Since Last Report:          26292 sec
    Crashes Since Last Report:           13
    Per-App Crashes Since Last Report:   13
    Anonymous UUID:                      94615913-F3B0-01D5-C740-D0C4474C62F7
    Crashed Thread:  0
    Exception Type:  EXC_BREAKPOINT (SIGTRAP)
    Exception Codes: 0x0000000000000002, 0x0000000000000000
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      Referenced from: /Applications/Aperture.app/Contents/MacOS/Aperture
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              /Library/Frameworks/PluginManager.framework/Versions/B/PluginManager: no matching architecture in universal wrapper
    Binary Images:
           0x10b1b9000 -        0x10b90efff  com.apple.Aperture (3.4.3 - 3.4.3) <01A802BA-0100-3F80-947C-A8FEA4726352> /Applications/Aperture.app/Contents/MacOS/Aperture
           0x10bb2b000 -        0x10bb34ff7  com.apple.PhotoFoundation (1.0 - 10.17) <C40F985F-9C0A-389A-9E21-684EB0A5B160> /Applications/Aperture.app/Contents/Frameworks/PhotoFoundation.framework/Versio ns/A/PhotoFoundation
           0x10bbad000 -        0x10c0cdfff  com.apple.RedRock (1.9.4 - 310.33) <9B94495A-2267-3684-B6E8-9FE3D4B46495> /Applications/Aperture.app/Contents/Frameworks/RedRock.framework/Versions/A/Red Rock
           0x10c3d8000 -        0x10c45bfff  com.apple.iLifePageLayoutCore (1.0 - 200.9) <8AAC1EB9-5823-3624-A525-635C2A77C34E> /Applications/Aperture.app/Contents/Frameworks/iLifePageLayoutCore.framework/Ve rsions/A/iLifePageLayoutCore
           0x10c4bb000 -        0x10c4c0fff  com.apple.iLifePhotoStreamConfiguration (3.4 - 2.5) <906317D7-09FF-3B77-8F35-01BB74C0109C> /Applications/Aperture.app/Contents/Frameworks/iLifePhotoStreamConfiguration.fr amework/Versions/A/iLifePhotoStreamConfiguration
           0x10c4cb000 -        0x10c4fcff7  com.apple.iLifeAssetManagement (2.7 - 40.34) <E4E1A39C-E8AE-31D5-9C50-B392EBAD7447> /Applications/Aperture.app/Contents/Frameworks/iLifeAssetManagement.framework/V ersions/A/iLifeAssetManagement
           0x10c533000 -        0x10c540ff7  com.apple.iphoto.AccountConfigurationPlugin (1.2 - 1.2) <0F515DED-D77E-3E4F-876D-F5CE596A844C> /Applications/Aperture.app/Contents/Frameworks/AccountConfigurationPlugin.frame work/Versions/A/AccountConfigurationPlugin
           0x10c552000 -        0x10c5f5ff7  com.apple.MobileMe (13 - 1.0.4) <9A7FCC99-67CE-3F5E-98BB-9079B305087F> /Applications/Aperture.app/Contents/Frameworks/MobileMe.framework/Versions/A/Mo bileMe
        0x7fff6adb9000 -     0x7fff6aded93f  dyld (210.2.3) <36CAA36E-72BC-3E48-96D9-B96A2DF77730> /usr/lib/dyld
        0x7fff8883c000 -     0x7fff88842fff  com.apple.DiskArbitration (2.5.1 - 2.5.1) <F7DAF7CC-5893-3F06-9168-3B0192B66D15> /System/Library/Frameworks/DiskArbitration.framework/Versions/A/DiskArbitration
        0x7fff88d4c000 -     0x7fff88efafff  com.apple.QuartzCore (1.8 - 304.0) <897FAA5D-FF13-33FE-878B-B164D684F019> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
        0x7fff89fa9000 -     0x7fff8a133fff  com.apple.WebKit (8536 - 8536.26.14) <7C4D5DE6-7153-3E54-8D4F-BB2E9AE74878> /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit
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        0x7fff8c5bb000 -     0x7fff8c5bbfff  com.apple.ApplicationServices (45 - 45) <A3ABF20B-ED3A-32B5-830E-B37831A45A80> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Application Services
        0x7fff8d628000 -     0x7fff8d8a8ff7  com.apple.AOSKit (1.05 - 151) <A34E8584-797C-318F-9E25-937A710C68AB> /System/Library/PrivateFrameworks/AOSKit.framework/Versions/A/AOSKit
        0x7fff8e571000 -     0x7fff8e580ff7  com.apple.opengl (1.8.6 - 1.8.6) <720CC06C-0D01-37AE-BB3D-D7F0242B262A> /System/Library/Frameworks/OpenGL.framework/Versions/A/OpenGL
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