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Upgrading an IMac 8

283 Views 10 Replies Latest reply: May 25, 2013 12:36 PM by tackersmom RSS
tackersmom Level 1 Level 1 (0 points)
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May 25, 2013 9:19 AM

A family member has an IMac 8,1 (early 2008). Can I upgrade osx to Mountain Lion by installing Snow Leopard and then downloading Mountain Lion? It has 234 GB available space.

  • mende1 Level 10 Level 10 (89,480 points)
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    May 25, 2013 9:24 AM (in response to tackersmom)

    OS X Mountain Lion needs a Mid 2007 or newer iMac, so you can upgrade to Snow Leopard and then to Mountain Lion.

     

    First, make a backup of your files. Then, insert the Snow Leopard disc and upgrade. After that, open  > Software Update, and install 10.6.8.

     

    After installing Mac OS X 10.6.8, check that your apps are compatible > http://www.roaringapps.com Also, open  > About this Mac, and tell me how much memory the computer has got. You should have at least 4 GB of RAM to get the best performance of OS X Mountain Lion.

     

    Finally, open App Store and purchase OS X Mountain Lion. When the download finishes, the Mountain Lion installer will appear, so follow the steps to upgrade to 10.8.3

  • MichelPM Level 5 Level 5 (7,140 points)
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    May 25, 2013 11:49 AM (in response to tackersmom)

    It looks like this iMac only has 2Gbs of RAM installed.

    No where near enough RAM for OS X 10.8 Mountain Lion.

    Your iMac model can take a max. RAM of 6 GBs.

    I suggest installing the full amount for best performance of this iMac under Mt. Lion.

    Correct and reliable Mac RAM can be purchased from online Mac RAM sources Crucial memory or OWC (macsales.com).

    Here is OWC link for the RAM you need.

     

    http://eshop.macsales.com/item/Other%20World%20Computing/6400DDR2S6GP/

     

    Good Luck!

  • rkaufmann87 Level 8 Level 8 (40,615 points)
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    May 25, 2013 12:02 PM (in response to tackersmom)

    Follow MichelPM's advice, he's spot on!

  • MichelPM Level 5 Level 5 (7,140 points)
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    May 25, 2013 12:14 PM (in response to tackersmom)

    You have 2 GBs, now.

    I am posting update, now.

  • rkaufmann87 Level 8 Level 8 (40,615 points)
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    May 25, 2013 12:13 PM (in response to tackersmom)

    tackersmom wrote:

     

    Just so I'm sure I understand.  I can add 4 more GB to the two that are already in there, right?

    Possibly, but likely not. Your 2GB that is already installed is probably 2 1GB chips. If I'm right then you would need to toss those and get OWC's 6GB kit which is 1 2GB Chip and 1 4GB Chip.

  • MichelPM Level 5 Level 5 (7,140 points)
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    May 25, 2013 12:16 PM (in response to rkaufmann87)

    rkaufmann87 is correct!

    You iMac only has two RAM slots.

    Your iMac, most likely, has (2)  1 Gb RAM modules in there, now.

    Need to completely remove these and install the complete 6 Gb RAM kit.

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