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View Full Version : HELP! Wrote over startup disk and can't change partition to GUID


suziea
10th June 2006, 03:33 AM
I installed Boot Camp on my new intel mac and then created a partition as shown to install my XP onto. I then followed the instructions but stopped short when I got to the product key part as I couldn't find it! As a school teacher, I am allowed to install the software from school onto my home computer so got a different copy of XP from there and put it into the computer. I then booted off the disk (I think this is where I made my BIG mistake) and then installed XP - it asked me which partition I wanted to install onto and only showed ONE partition (which was C). As this was the name of the partition that I was told to use when I was originally putting on XP, I selected it. It then wrote over it but kept looping back into restarting and installing again. I started up the computer again holding down the option key and there were NO startup disks to choose from. That's when I realised I had managed to overwrite my Mac startup disk. After stressing out for awhile, I got my work computer out and went hunting on the web for information. I then found info about using Disk Utility to revert the computer back to one partition but OSX still wouldn't install on this new volume. I then tried to erase the disk in order to get it to revert back to GUID partition scheme but it still kept it as a Apple HFS scheme (there was no option button to choose GUID). I am now officially out of ideas.

suziea
10th June 2006, 05:18 AM
Actually - it suddenly decided to let me install on the new partition I created. It must have just needed a little time!