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Thread: Imac wont start

  1. #1

    Member Since
    Oct 08, 2009
    Imac wont start
    So I think the harddrive failed on my 17" Intel imac.
    I want to use my old powerbook G4 in target mode to start the imac..
    powerbook in target mode. turn on imac & hold command, option, shift & delete keys to have powerbook recognized...nothing......white light but nothing else...

  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
    Please read the following Apple KB article to learn how to start up in Target Disk Mode: Link


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