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Windows 7: how to format c: having an earlier copy of win seven

22 Jun 2011   #1

win 7 ultimate x84
how to format c: having an earlier copy of win seven

hmm i have a prob, i had windows 7 beta version installed on my C: drive earlier .... later i installed the full version ... on drive f: the windows on C: got corrupted....but now i want to format the drive C: ....i was able to delete the files like windows program files, etc by taking the ownership from trustedInstaller and blah blah ...but when i try to take the ownership of the drive is unsuccessful ....i tried formatting using cmd etc etc is of no use... my DVD drive is defective too so i cant boot from a cd like in xp setup and delete the files + on trying to boot from seems my PC gets hung... so what shall i do now? any help would be appriciated ... it is using almost 5 GB of my space ( i guess the space is what OS installs itself into) ....this 5 gb can be put into much useful processes i really need to get rid of that garbage

My System SpecsSystem Spec
22 Jun 2011   #2

Windows 7 Ultimate x64

Hello & welcome to Seven Forums.

Take a look at this: Clean Install Windows 7
My System SpecsSystem Spec
22 Jun 2011   #3

Microsoft Community Contributor Award Recipient

Windows 7 x64

did you follow these instructions for making the usb?
Windows 7 USB/DVD Download Tool

Part 2 is of interest to you.
My System SpecsSystem Spec

22 Jun 2011   #4


Did you install WIn7 on F from the C partition, because otherwise Win7 should see itself as C when booted into either Win7. You should always boot to clean install.

The way a partition is deleted is in Disk Mgmt or using a Partition Manager, not yanking its files out.

But first we need to see a Disk Mgmt screenshot to see if the boot files are likely on C, as they must be recovered into F before it will be able to boot on its own. Use SNipping Tool in Start Menu, maximize window before snipping.
My System SpecsSystem Spec
24 Jun 2011   #5

win 7 ultimate x84

i would have but as said earlier, i have a bad DVD drive + then i didnt know how to make a bootable USB...i have read the tute now most probably it'll help me (hoping so for the least) and i wasnt being able to format C: from inside the OS while i was installing, and i have installed new copy from drive E: its Xp, yea i know keeping 3 windows at a time ..i am a freak
My System SpecsSystem Spec
24 Jun 2011   #6

win 7 ultimate x84

thanks for the reply guys...i will try the bootable USB thing once i get wnough time ...and will let you guys know in case not successfull
My System SpecsSystem Spec
24 Jun 2011   #7


The MS tool can be fussy depending upon the iSO source so here's another that's easy and always works: Universal USB Installer – Easy as 1 2 3 | USB Pen Drive Linux
My System SpecsSystem Spec

 how to format c: having an earlier copy of win seven

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