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Windows 7: Deleting old xp volume

14 Apr 2010   #1

windows 7
Deleting old xp volume


i recently switched from XP to Windows 7, which I installed on disk 1 while xp and debian were on disk 0. Since I want to move completly to Win 7 I want to clean out disk 0 completly. Deleting the Linux partition was no proplem but I don't seem to be able to delete the xp partition. The Disk Manager just won't let me do it. The Xp partition is flagged as System, Active, Primary Partition, the Win 7 partition is flagged as Boot, Page File, Active, Crash Dump, Primary Partition. I have restored the MBR to disk 1 already so that shouldn't be the problem.

Hope you can help me, I really have no idea what to try now ...


My System SpecsSystem Spec
14 Apr 2010   #2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86

Boot from your xp or win7 disk, then format the disk 0. After that repartition as per choice.
My System SpecsSystem Spec
14 Apr 2010   #3

Windows 7 Professional x64


Try cleaning the disk completely using Diskpart.

Boot from your Windows DVD, and press Shift+10 at the language selection screen, to pull up a command prompt.

Then enter the following:


list disk

select disk [
the number of the hard drive you want to clean]


You can now start setup again.

Good luck, and let us know if you need help.

My System SpecsSystem Spec

14 Apr 2010   #4

windows 7

I tried the diskpart with clean all command but it said that system and boot partitions could not be cleaned. I tried deleting the partition with the boot dvd but after that it says the mbr is missing. Repairing via the boot dvd just brings be back to the beginning ...
My System SpecsSystem Spec
14 Apr 2010   #5

Windows 7 Professional x64

Tell you what, just install right on top of the XP partition. That will backup your data to windows.old, and you can just delete it when you are done.
My System SpecsSystem Spec
14 Apr 2010   #6

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86


What i had suggested was that you format the disk 0 from the boot dvd, not delete the partition.
My System SpecsSystem Spec
14 Apr 2010   #7

Microsoft Community Contributor Award Recipient


1) You need to copy your Boot files from Disk0 to Disk1.
2) Than remove XP Disk0 & replace with Win 7 Disk1.
3) Than do a Startup Repair 3 to 4 times.

Startup Repair

Deleting old xp volume-capture22.png

Deleting old xp volume-capture.png Deleting old xp volume-capture2.png

My System SpecsSystem Spec
14 Apr 2010   #8
Microsoft MVP


You'll need to mark Win7 active first in order to recover MBR onto it by running Startup Repair up to 3 separate times from the booted WIn7 DVD Repair console or Repair CD.

You can do as theog suggests and remove the XP HD to replace it with Win7 HD as Disk0, or you can keep XP HD in place, make sure Win7 HD is set to boot first (after DVD) in BIOS Setup, boot the Win7 DVD, press Shift F10 at bootup, open a Command Line to type:

SELECT DISK 0 (confirm by size this is XP HD)
SELECT DISK 1 (confirm by size this is Win7 HD)

Now return to Reccovery tools list to run Startup Repair up to 3 separate times with reboots as DVD will write MBR to Win7.
My System SpecsSystem Spec
15 Apr 2010   #9


just format your c drive partition using bootable Win7 DVD
My System SpecsSystem Spec

 Deleting old xp volume

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