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how to upgrade from leopard to lion?

8060 Views 5 Replies Latest reply: Feb 27, 2013 9:31 AM by Klaus1 RSS Branched to a new discussion.
mauritius1 Calculating status...
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Jan 31, 2012 2:33 PM

how to upgrade from leopard to lion? do i need to first upgrade to snow leopard and then to lion?

iMac G5 (20-inch iSight), Mac OS X (10.5.8)
  • Klaus1 Level 8 Level 8 (43,425 points)
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    Jan 31, 2012 2:34 PM (in response to mauritius1)

    Not possible. Leopard 10.5.8 is as far as our G5 iMacs can go. All later versions of the OS only work on an Intel mac.

    iMac iSight G5 2.1 GHz, QT Pro 7.7, Mac OS X (10.5.8), iLife 9 but iMovie 6, Safari 5.0.6
  • scituate Calculating status...
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    Nov 19, 2012 11:46 AM (in response to Klaus1)

    Following up on Mauritius1's question, I have the MacBook Pro Leopard 10.5.8. In the last couple of weeks, I am unable to view many videos in Flash or use Shutterfly and when I try to update Flash, it doesn't work and the message is I need 10.6 or greater.  In addition, I can not get Chrome updates.  You say I can't upgrade Leopard 10.5.8 to any of the subsequent versions - Snow Leopard, Lion, Mt. Lion????  Is there any possible fix/solution?

  • Allan Jones Level 7 Level 7 (29,605 points)
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    Nov 19, 2012 2:45 PM (in response to scituate)

    The iMacs in this forum were all made before 2006 and do not have the Intel processor that your MacBook Pro has. Any MacBook Pro can run Snow Leopard 10.6.X. You have to phone Apple at 1-800-MY-APPLE and order Snow Leopard that way. It's about US$20

     

    Once you have Snow Leopard, further upgrades are purchased through teh App Store, which you get whe you update SL to 10.6.6 or later. Not all early MacBook Pros can run Lion or Mountain Lion. Lion requires a Core 2 Duo processor (not "Core Duo") of better; Mtn Lion has other requirments.

     

    I recommend reposting in the MacBook Pro forums here:

     

    MacBook Pro

     

    Be sure to give the full specs on your MBP including processor type and speed, as that's the only way to find out how high you can take it. System Profiler in Applications > Utilities will give you a Model Identifier code that is critical to nailing down your specs.

    iMac 27-in; Mid 2010 2.93G i7 Quad, Mac OS X (10.6.8), 4GB RAM; ATI5750 1G VRAM
  • mbeau55 Calculating status...
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    Feb 27, 2013 9:26 AM (in response to Allan Jones)

    Can this be upgraded?

      Model Name:          MacBook Pro

      Model Identifier:          MacBookPro5,4

      Processor Name:          Intel Core 2 Duo

      Processor Speed:          2.53 GHz

      Number Of Processors:          1

      Total Number Of Cores:          2

      L2 Cache:          3 MB

      Memory:          4 GB

      Bus Speed:          1.07 GHz

      Boot ROM Version:          MBP53.00AC.B03

      SMC Version (system):          1.49f2

      Serial Number (system):          W89270CX7XK

      Hardware UUID:          9B2498C6-9393-5B06-8A24-C74307A86703

      Sudden Motion Sensor:

      State:          Enabled

  • Klaus1 Level 8 Level 8 (43,425 points)
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    Feb 27, 2013 9:31 AM (in response to mbeau55)

    Start by checking if you can run Snow Leopard:

     

    Requirements for OS X 10.6 'Snow Leopard'

     

    http://support.apple.com/kb/SP575

     

    The OS 10.6 Snow Leopard install DVD is available for $19.99 from the Apple Store:

     

    http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard

     

    and in the UK:

     

    http://store.apple.com/uk/product/MC573/mac-os-x-106-snow-leopard

     

    but nobody knows for how long it will be available.

     

    When you have installed it, run Software Update to download and install the latest updates for Snow Leopard.

     

    You should now see the App Store icon, and you now need to set up your account:

     

    http://support.apple.com/kb/HT4479

     

    To use iCloud you have to upgrade at least to Lion, but some functions are only available in Mountain Lion:

     

    http://support.apple.com/kb/HT4759

     

    You can also purchase the code to use to download Lion (Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM, running the latest version of Snow Leopard), or you can purchase Mountain Lion from the App Store - if you can run that:

     

    http://www.apple.com/osx/specs/

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