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Uninstalling XP on a dual boot system

Posted on 2003-12-07
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Had a dual boot system on two physical disks. Hard drive w/Windows XP as the OS crashed and had to be removed. Remaining drive was 20GB with Win2000 Pro as the OS. Made a partition on the drive and installed XP. Everything works fine but the XP volume is a little slower than I would prefer. That aside, I prefer Windows 2000 (C:\) over XP (D:\) anyway. Now I want the uninstall XP and the partition. From what I can see all sys and config files are located on C:\.   1) Can I just format D:\ and delete the partition?  2) What files do I have to make sure are available on C:\ so that the system will boot after removal of D:\?  Comments, ideas and suggestions are needed. That you very much.
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Question by:cactusdr
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JConchie earned 180 total points
ID: 9898125
You could just reformat "D",  and edit your boot.ini to point to W2K...........but here is a set of instructions, that covers the minor details too:

In the example, substitute "XP" for "NT" and "W2K" for "XP"..........it's the same procedure.

Remove a XP/2K/NT and keep a different XP/2K/NT plus 2K and/or Win9x if also present.
We just make Win #1 the Default OS. Then edit Boot.ini to remove the Win #2 line and to make Timeout=0. Win #1 will now boot directly. The Win #2 directory can then be deleted.
Do not use System or Msconfig to disable the Win #2 - that's unsatisactory.

Example: Remove NT and keep XP: (other combinations are the same)
1. Create a 'temporary' Rescue Bootdisk for your current situation (1 floppy disk).
2. Make XP the Default operating system: (Control Panel > System > Advanced tab
   > Startup and Recovery > Settings > "Default operating system" list in System startup).
3. Tip: Boot NT. Uninstall any NT-only software that's mixed in with XP software.
4. Boot XP. Backup Boot.ini to Boot.inn (it's in root of the system partition).
5. Go to Start > Run. Type in - press [Enter] after each line
      CMD
      CD..
      ATTRIB -R -S -H BOOT.INI
      NOTEPAD BOOT.INI
    Confirm that the Default= line points to your XP installation, and not to Win9x.
    If only one OS will remain, change the Timeout=? to TIMEOUT=0
    Delete the NT line [multi(0)disk(0)rdisk( - it will be obvious which is for NT].
7. Save as Boot.ini, and exit Notepad.
      ATTRIB +R +S +H BOOT.INI
8. Close the Command box, and Reboot.
    It will boot straight to XP (if Timeout=0). Test.
9. If all is satisfactory, create a new Rescue Bootdisk to reflect your new situation.
10. Delete the NT installation directory (usually \WINNT) and any unrequired NT data.
Warning: Do not Format the drive containing Boot.ini (that's the system partition!).
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by:cactusdr
ID: 9925706
Thank you.
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