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How to Uninstall and Remove Windows 7 with Windows XP on Dual Boot System

Now if you have installed Windows 7 with Windows XP on dual boot and now you are planning to Uninstall and Remove Windows 7 where is a guide below to uninstall and remove Windows 7 to leave only Windows XP without having to reinstall the OS, and without affecting saved files and data.

Important: Do not use this tutorial if your dualboot system is Windows 7 and Windows Vista. For that you can find a guide here.

1. Boot up and log on to Windows XP desktop.

2. Insert the Windows Vista or Windows 7 DVD installation disc into CD-ROM or DVD-ROM optical drive.

Alternatively, mount the Windows 7 or Windows Vista DVD ISO image on any virtual drive.

3. Run Command Prompt

, or click directly to Start menu -> Run command.

4. In the command prompt or the Run text box, issue the following command and hit Enter:

[DVD Drive Letter]:\boot\bootsect.exe /nt52 ALL /force

For example,

If the DVD drive path is D:, then enter the following:

D:\boot\bootsect.exe /nt52 ALL /force

The step will remove the boot menu to select operating system to start.

5. Remove the DVD disc and restart the computer.

6. The computer will boot up with Windows XP installation partition.

7. Manually remove files and folders of Windows Vista or Windows 7, including Windows, Program Files and Users folder. If you’re installing to separate partition, just format the partition to clean it instantly (with FDisk, Disk Manager of Computer Management or third party partition management

software such as Partition Magic or EASEUS Partition Manager).

8. On the root system folder of Windows XP, delete Boot.BAK and BootSect.BAK. The two files are remnant backup leftover files of previously installed Windows Vista or Windows 7 bootloader, but no longer useful for Windows XP only system.

Tip: NT52 is the MBR (Master Boot Record) used by Windows XP and Windows Server 2003, while Windows Vista uses NT6. So if you’re uninstall Windows 7 in Vista/7 dual boot system, change the NT52 in the command to NT60.[Via Digital Life]

How to Install Windows 7 on MAC using Boot Camp

How to Remove Windows 7 / Uninstall Windows 7 in dual boot with Windows Vista

How to Dual Boot Windows 7 and Windows Vista

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8 comments.
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8 comments

Read the comments left by other users below, or:

KKV
#1. January 18th, 2009, at 9:38 AM.

the portion of removing the windows7 as part of booting went without a hitch, and the system booted automatically into xp.

But removing the windows7 folder manually did not succeed. It still refuses to get deleted.

Jhawk
#2. January 28th, 2009, at 9:58 AM.

The same issue happened to me, manually deleting the win7 folders was denied by the system. Is there any other options to do this, since win7 occupies much hd spaces.

Techgal
#3. February 14th, 2009, at 11:38 AM.

You have to format the partition that Windows 7 is in. Then you can delete that partition. After that you resize your C: drive back to it’s previous size.

chumor
#4. March 28th, 2009, at 10:06 AM.

google search led me here. I used partition magic and deleted the partition with windows 7, but now I can’t merge the empty space. It’s listed as “unallocated” I never did format windows 7 first. what can I do?

nth
#5. May 26th, 2009, at 5:55 PM.

probably obvious to most… but just in case, the 2 folders win7 setup creates are read only - to remove them, right click on them, view properties and untick the ‘read only’ box - when xp asks, do apply it to all subfolders.

should be able to remove them now…

Flash
#6. June 13th, 2009, at 2:59 PM.

Thanks a Million…After searching google for hours with no luck (or receiving a bunch of bogus info) This was the first clear, concise, and easy to understand/use Fix…I even printed a copy to place with my Win 7 DVD in case I ever run into this problem again. So much time wasted when all I had to-do was follow this simple plan. {>

john
#7. September 17th, 2009, at 2:40 AM.

Is this method working if you use a Windows XP 32 bit system with a Windows 7 64 bit system?
Is it possible to run the command at all or do you have to get hold on a windows 7 32 bit installation disk?

joker
#8. November 23rd, 2009, at 12:05 PM.