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Old Jan 9, 2013, 05:17 PM   #1
Captain D Luffy
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Join Date: Jan 2013
Using downloaded 10.7 to reformat HD?

So my problem is simple, I have been trying to partition my harddrive so that I can install windows onto it. I ordered 10.7 from Mac and they sent me a code to download it from the app store, which it is downloading now. When the download is complete would I be able to burn it to a CD and use that to reformat my HD and fix my error (files cannot be moved, etc)? I do not have the disk that came with my Mac.

Alternatively, would I be able to boot from my backup HD which has my time machine backed up on it and then use that to reformat my HD?

I also wanted to upgrade to 10.7 from my current version (10.6.8) so if it doesnt work then it wasnt a wasted purchase.

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Old Jan 9, 2013, 05:24 PM   #2
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Join Date: Nov 2010
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If you want to make a bootable installation medium, you can follow these steps:
Lion DiskMaker

Create bootable installation medium for Mac OS X 10.7 Lion

How to format a new HDD to install Mac OS X onto (or make a bootable copy onto)
Then you do a clean install: Perform a Clean Install of OS X Lion on Your Mac

After that, you migrate settings and data and applications from your Time Machine backup (you cannot boot from a TM backup, that is what a 1:1 clone is there for, for which you can use CarbonCopyCloner, SuperDuper! or Disk Utility) via Setup or Migration Assistant.
Migration Assistant / Setup Assistant information:
Setting-up a new Mac from an old one, its Backups, or a PC
which includes:more information: Apple OSX and Time Machine Tips
Windows should be installed via Boot Camp Assistant, which creates a separate partition for Windows, Disk Utility should not be used for that.

Mac OS X 10.6 Snow Leopard does not need to be installed if you created a bootable installer out of the Mac OS X 10.7 Lion installer you currently download.
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