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Windows 7: Moving my Windows 7 install to another HD

17 Nov 2009   #1

Windows 8.1 Pro x64
Moving my Windows 7 install to another HD

Alright, I know there is a way to do this, but I've had a few beers and can't work it out in my head.

Right now, I have my Windows 7 install on my 1TB C: drive. I also have a 300GB D: drive that I use for backup. What I want to do is format D: and install 7 on there to use as my main boot drive, and still have the files on C: accessible. However, I would like to do this without having to go through choosing an OS at boot. Any ideas?

My System SpecsSystem Spec

17 Nov 2009   #2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64

Format D. Mark it Active.

Set it as the First HD in bios boot order.

Install 7 onto it.

Hope it helps.
My System SpecsSystem Spec
17 Nov 2009   #3

Windows 8.1 Pro x64

Thanks man. I knew there was a way to do it, just didn't remember how.
My System SpecsSystem Spec

17 Nov 2009   #4
Microsoft MVP


If you keep C: drive plugged in during formatted install of Windows 7 on active D:, it will configure a dual boot of both Windows 7's.

Best to unplug the C: drive, mark D: active as SIW2 says, boot into Windows 7 installer and format D: to install Windows 7 (which will probably then take the C: letter) Later you can plug old C: back in to use as a data drive; mark it inactive. If it messes with your new C: drive's boot, move the files off of it and format it logical to be your data drive.
My System SpecsSystem Spec
18 Nov 2009   #5

Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition

Or you could just use MSCONFIG afterwards and edit the boot.ini file!
My System SpecsSystem Spec
18 Nov 2009   #6
Microsoft MVP


Do you mean plug the old C: drive back in, then look for it in Windows 7 msconfig Boot tab and delete it from list if it appears? Does this inactivate old C? Can he continue to use it as a data drive with old Windows 7 OS on it without reformatting?

What if plugging his old C: drive back in makes new Windows 7 unbootable? Should he boot into Partition Wizard and mark it inactive to achieve same thing? Somehow move data files off and format before replacing them?

I need to get some sleep as I did this recently and can't remember how it went.
My System SpecsSystem Spec

 Moving my Windows 7 install to another HD

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