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HELP! Unable to Install OS X on MacBook when trying to install Windows XP!

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I followed the instructions to install Windows XP on my MacBook. I had 3 partitions and Windows installer complained about not being able to install because of this. So I decided to follow the instructions and re-initialize my hard drive to 2 partitions.


After doing so with Disk Utility, OS X will not install on any hard drive. When the disks to install show up, they all have an X on them and it warns that "You cannot install Mac OS X on this volume. Mac OS X cannot start from this volume". This happens on external firewire disks as well, it wont let me install on any of them (I have reformatted the drive to 1 partition and the problem persists).


Any ideas on what I could do to get things back to normal? I am trying to think what could have happened when I reformatted the drive. Maybe the EFI partition was erased and then I am REALLY screwed up. Any hints/pointers that might help me with this would be greatly appreciated.



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I've solved this problem starting an initialization with the erasing data flag checked (filling with zero) of the unique partition i've proviously created in the hard drive. Note that i didn't waited until the end of the process: click ignore. Next install osx on the partition or do anything you want.

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