GUID Partition Table

Discussion in 'iMac' started by radesousa, Nov 17, 2010.

  1. radesousa macrumors member

    Sep 13, 2006
    I'm having problems installing OS 10.6 on my iMac. I had to replace my hard drive with a new 1TB drive and in trying to install the OS I get a message saying I need to use Disk Utility to repartition the hard drive using GUID Partition Table but I don't see any such option in the Disk Utility menu! Help!!!
  2. spinnerlys, Nov 17, 2010
    Last edited: Nov 17, 2010

    spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    Click the OPTIONS button under the partition map in the PARTITIONS tab.
    You may need to select "1 partition" to make that button clickable.

    The part titled "Send in the clones" gives you even more detail.
  3. radesousa thread starter macrumors member

    Sep 13, 2006
    Thanks! Your advice is working and I'm installing the OS. :D

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