Make sure you know where Windows NT or Windows 2000 is installed, how much of it you want to remove, and how your hard disk is partitioned and formatted. Then, use the information in one of the following sections in this article:
- Removing Windows NT or Windows 2000 from the Boot Sequence
- Removing a Primary NTFS Partition
- Removing Windows NT or Windows 2000 Files
NOTE: If the hard disk contains a partition that uses the NTFS file system, remove this partition in Windows NT or Windows 2000 before removing Windows NT or Windows 2000 from the boot sequence.
Removing Windows NT or Windows 2000 from the Boot Sequence
There are two ways to remove the Windows NT or Windows 2000 boot sector from your computer:
- If you want to return to your original MS-DOS configuration, boot MS-DOS and type sys c:. This command replaces the Windows NT or Windows 2000 boot sector with the MS-DOS boot sector, and enables your computer to boot MS-DOS. The following files are left in the root folder and can be deleted after you perform the sys c: operation:
Pagefile.sys
Boot.ini
Ntldr
Ntdetect.com
Ntbootdd.sys
NOTE: The Ntbootdd.sys file is installed only if you have a SCSI Host Adapter installed in Windows NT or Windows 2000.
You can also start your computer with a Microsoft Windows 95 or Microsoft Windows 98 bootable floppy disk and use the sys c: command if you want to return to your original Windows 95 or Windows 98 configuration.
- If you want to leave Ntldr on the disk, you can boot MS-DOS without being prompted by changing the startup operating system and time-out value. To do so, start the System tool in Control Panel, click the Startup/Shutdown tab, click MS-DOS in the Startup box, and then type 0 in the Show List For n Seconds box.
NOTE: If the primary partition was converted to NTFS, the only way to return to starting MS-DOS automatically is to reformat the drive and reinstall MS-DOS. See the next section if this is the case.
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