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  1. #1

    Member Since
    Sep 03, 2011
    Replacement HDD, unable to install OSX 10.5.6
    Hey guys, I bought a Seagate Momentus ST905003N3A1AS-RK HDD just an hour ago, put it into my 13" MBP for software installation and I am getting repeated requests:

    "You need to restart your computer. Hold down the Power button for several seconds or press the Restart button"

    So I restart, hold C, get the same message about 2 minutes later... Any suggestions? I don't even GET to the formatting, partitioning, etc.

    EDIT: After several more tries, I got frustrated and took out the OSX 10.5.6 DVD and pulled out my OSX 10.6 (Snow Leopard) UPGRADE DVD and tried it. I don't understand how I have success using the UPGRADE DVD but failed using the Restore DVD... Thanks to the readers anyway!

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Because you were using the wrong restore DVD? That symptom is typical of using an incorrect version of OS X to boot your machine. The Snow Leopard DVD worked because it's a retail version upgrade.

  3. #3

    Member Since
    Sep 03, 2011
    I'm not sure how choosing the disc labeled "MAC OS X 10.5.6" that came with my computer should be any different than choosing the upgrade DVD I bought separately. Didn't matter anyhow, I just needed to boot in and partition the drive so I could use my Time Machine backup.

    The increase in performance for my upgrades was so significant! Best investment I've made in months.

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