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Windows 7: Win7/WinXP dual boot, need to format one of them

08 Feb 2014   #1
v12vanquish135

Windows 7 Ultimate x64
 
 
Win7/WinXP dual boot, need to format one of them

Hello good people!

I find myself in a precarious situation. About 2 years ago I installed Windows 7 on my new 1TB hard drive I had just bought to replace my old Windows XP installed drive - actually, I planned on using the first one as a backup drive in case I ever need it. So here's the thing; I installed Win7 on my new drive, but I left the first one plugged in while I was doing it. Win7 understood by that - I guess - that i wanted to setup a dual boot system (which i learned today). So it did that. And it was kinda handy, having both drives working at once.

Thing is, my Win7 drive has run its course, and is in dire need of a format. So I figured I would format my D: drive first, seeing as I don't use it, so I can get it all cleaned up, and then transfer all the files I want to keep from my C: drive to my D: drive. Thing is, as I learned, the dual boot thing prevents me from formatting either drives while running windows 7. Which also means that my only immediate way of formatting them would be to do both at once, but if I do that, I can't keep backups (i don't have an external HDD, nor a third HDD, and I currently don't have the cash to buy either one of them).

So I looked online, learned quite a lot about the situation, but most fixes I found online seem to be very complex in nature, and all of them had slight differences with my current situation. Here's my disk management screen :



So my disk 0 is the one with Windows7 installed, and disk 1 is the one with XP. I thought maybe I could just free some space on my D: drive, dump my stuff there, boot on that drive with XP and format the C: drive like that, but would that work? Win7 is the one in dual boot, not XP, right? Otherwise, what should I do to make this work? Like I said, I found a few tutorials online, but I want to make sure that they work in my particular case so I don't mess up my drives/end up losing everything.

PS : Ideally I would like to format both drives, but not at the same time; D: first, to use as a backup drive, and then C: to reinstall Win7 properly (I don't need to keep XP, actually I want it gone).

Thanks!!


My System SpecsSystem Spec
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08 Feb 2014   #2
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

You said you installed W7 on the 1TB drive which is disk 1 not disk 0.
My System SpecsSystem Spec
08 Feb 2014   #3
v12vanquish135

Windows 7 Ultimate x64
 
 

True, my mistake. The first one I had with XP is the 1TB HDD, the one with Win7 is a 750GB HDD
My System SpecsSystem Spec
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09 Feb 2014   #4
gregrocker

 

Once you're ready to Clean Install Windows 7 to C then you can just unplug the other HD's, boot into the installer, at Steps 7/8 use the Drive Options to delete all partitions, create New, Format and click Next to begin install.

Afterwards you can plug back in the other drives, boot XP if needed using the One-time BIOS Boot menu key to choose it's HD, or wipe it with Diskpart Clean Command to get it cleanest to repartition in Disk mgmt.

If for some reason you want Win7 HD to be able to boot itself before the reinstall, then unplug all other HD's to run Startup Repair - Run 3 Separate Times until it starts on its own and holds the System flag.

Other tips here to prepare for, get and keep a perfect Clean Reinstall - Factory OEM Windows 7 are the same for retail.
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 Win7/WinXP dual boot, need to format one of them




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