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How to create a copy of my existing Windows 7 system and use it as a second bootable OS?

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Typically I have always dual-booted/multi-booted with a combination of different operating systems. But I actually have some unique needs for a sony vaio laptop of mine, and I want to do something I'm not quite sure how to do.

I currently have my 500 gig disk partitioned like this:

100mb windows 7 system partition
C:\ - Windows 7 - 150 gig
X:\ - storage - 200 gig
150 gig unpartitioned space

I have a full disk and partition backup I created with ATI on an external USB drive. I would like to recover that backup to my unpartitioned space, creating a new system partition. Once done, at startup I will be able to choose which Windows 7 installation I want to boot.

I have experience using EasyBCD, the windows recovery and repair tools, etc. But I'm just not sure how to go about doing what I want to do.

Could someone please help me figure out how to do this without breaking my MBR?

0 Users found this helpful

You should restore your C:\ partition alone to the unallocated space using the ATI recovery CD.

Just be careful that ATI running from the CD will be showing you drive/partition letters that are not the same as in Windows. Pay attention to the labels, size information.

Then, boot on the Win 7 installation DVD and use bootrec /rebuildBCD to scan for Windows 7 installations are rebuild the boot records.

http://support.microsoft.com/kb/927392