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  1. #1


    Member Since
    Mar 20, 2007
    Posts
    3
    Erasing my powerbook
    I am trying to erase the hard drive on my 1.5 Ghz PB G4. This is something I've done in the past for simple reformats and I have never had a problem. However, for some reason now, I can't access the [security options] button in disk utility. (it is greyed out). therefore, cannot even begin the erasing process... has anyone ever seen this? ...

  2. #2


    Member Since
    Mar 11, 2004
    Posts
    1,964
    Does this happen even if you boot from the DVD by holding down the C key?

  3. #3


    Member Since
    Mar 20, 2007
    Posts
    3
    yes, unfortunately... i've tried a DVD and a CD version of the OS disk... might there be something screwy with my permissions. (although i tried repairing them already).?

  4. #4


    Member Since
    Mar 20, 2007
    Posts
    3
    I think I've got it... When I started from the DVD , it brought up an error saying "this software cannot be installed on this computer", (i'm no sure how that's possible), but nevertheless i hadn't realized that you can access disk utility from that screen... now all seems right. Thanks.

  5. #5


    Member Since
    Mar 11, 2004
    Posts
    1,964
    Probably it said that because the OS X version on your disk until it's erased is a later version than on the DVD.

  6. #6
    MacHeadCase
    Guest
    Welcome to Mac-Forums, theclowning.

    Could it be that you are trying to use an OS install from another Mac? Each OS install disk that came with a Mac is model specific meaning you cannot use, for instance, the Mac OS X Tiger install disk that came with an iMac to install Tiger on your PowerBook.

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