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Thread: Clean installation of Snow Leopard on Mac Pro

  1. #1

    Member Since
    Dec 29, 2010
    Clean installation of Snow Leopard on Mac Pro
    Hi guys!

    I posted earlier, but I think that I might have confused someone with all my text.

    I have a Mac Pro DESKTOP A1289, there is no operating system on it right now.

    I have bought a new retail Snow Leopard DVD as of today, when I insert the disc and hold down C or ALT (and choose DVD), it will just spin up quickly, read it, and then spin down again. I am then stuck with a grey screen with an Apple on it. Nothing happens after this.

    What am I doing wrong?

    I have no access to original installation discs.

  2. #2

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Try blowing some air into the DVD drive, it might just need a clean out.

    Also make sure it is connected properly
    Member of the Month September 2008 & August 2012 | Found advice useful? use the rep system

  3. #3

    Member Since
    Mar 30, 2004
    A1289 could be any number of machines, some of which require 10.6.4 as a minimum.

    Call Apple and see about ordering the correct installation discs for your machine.

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    As technologist says, if it is this model disc must be OS X.6.4 and earlier versions just will not install.

    Mac Pro "Twelve Core" 2.66 (2010/Westmere) Specs (Mac Pro Mid-2010, BTO, MacPro5,1, A1289, 2314) @
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

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