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I had 80% of my HDD for Mac and 20% for win7... I needed more space on Win7 so I did the following:

  1. Created disk image of Windows partition, using Mac's Disk Utility
  2. Used Boot Camp Assistant to remove windows 7, and then again to resize the new Windows partition to 50% of HDD and re-install Windows 7
  3. Restored DMG image to the new bigger partition

Now I have 50% of my HDD for the Mac partition, 20% for Win7 and 30% is just empty space not being used for anything.

So the image was restored the same size it was before. Also, when I tried to boot to Windows using the option key at startup, the new Win7 is not even showing up.


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