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Windows 7: Formatting and installing Windows 7 in specific partition?

08 Jun 2014   #1

Windows 7 Home Premium x64
Formatting and installing Windows 7 in specific partition?

Hi! I have quick question about formatting and installing Windows 7 again.

I have one hard drive where is 2 partition: C: and D:.
In D: partition I have all the important stuff what I want to save and in C: partition I have Win7 and this partition I want to format. So, is it possible to format only C: partition and install Win7 again in C: with Windows 7 Installing CD? Or do I need to do clean installation? That would be problem.

Thank you!

My System SpecsSystem Spec
08 Jun 2014   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, 64-bit

Yes, you can do that.

You have to be careful. A few steps into the installation, you will be asked "where do you want to install Windows 7"?

You MUST pick the right partition--your current C partition. If you make a mistake and choose D, Windows will install to D and you will lose whatever is now on D.

Those partitions may not be shown as C and D in the installation process--I'm not sure. So you should have some other way of identifying which one is actually C. That would probably be by size. The current C is probably larger or smaller than D, and that's how to make sure you are choosing the correct partition.

You don't ask Windows to format anything. You just direct it to the correct partition. It will automatically do what is necessary.

Disconnect any other drives before you start.

Regardless, it is best that you back up whatever is now on D as anything can happen.
My System SpecsSystem Spec
08 Jun 2014   #3

Windows 10 Pro X64

I name each partition so it's always easy to find, no matter what drive letter is actually assigned. For instance.


All you have to do is right click on a partition and select Rename. It does not have any other effect, just changes the name shown.
My System SpecsSystem Spec

08 Jun 2014   #4
Microsoft MVP


Please post back a screenshot of Disk Management - Post a Screen Capture Image
so we can advise you best.

Your data should always be backed up externally in case of drive failure or other disaster. Here's a free method to back it up to Cloud storage and even sync it to your other devices at the same time by doing the same on them: Sync, Backup and Store your Files to the Cloud with Skydrive - Windows 7 Forums
My System SpecsSystem Spec
09 Jun 2014   #5

Windows 7 Home Premium x64

Thank you for all! I got everything to know. I thought too to identifying C: by size and I will try that name thing too. I always try to backup d: but it's really huge so sometimes it's hard to backup. But thank you all anyways! :)
My System SpecsSystem Spec

 Formatting and installing Windows 7 in specific partition?

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