How to Use System Files to Create a Boot Disk to Guard Against Being Unable to Start Windows XP

For a Microsoft Windows 2000 version of this article, see 101668 .

Samenvatting

This article describes how to guard against a situation when it is not possible to start Windows or any other operating system on your computer. This situation can occur when Windows is installed on a computer that has an Intel x86-based processor and the boot record for the active partition or files that are required to start Windows becomes corrupted.

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To guard against this situation, create a Windows boot disk when you first install Windows on the computer. This disk is different from an MS-DOS boot disk. Unlike MS-DOS, the entire Windows operating system cannot fit on one floppy disk. A Windows boot disk contains only the files that are necessary to start the operating system with the remainder of the Windows system files installed on the hard disk drive.


Use the following procedure to create this disk:


  1. Place a blank floppy disk in drive A, and format the disk by using Windows XP.
  2. From the root folder of the system partition of your hard disk drive (for example, C:\-), copy the following files to the floppy disk:
    Boot.ini

    NTLDR

    Ntdetect.com

    You may have to remove the hidden, system, and read-only attributes from the files.


  3. You may have to remove the hidden, system, and read-only attributes from the files. Restore the hidden, system, and read-only attributes to the files on your hard disk if you removed these attributes.
  4. You may have to remove the hidden, system, and read-only attributes from the files. If either the
    Bootsect.dos
    or the
    Ntbootdd.sys
    file resides in the system partition, also use the procedure that is described in steps 2 through 4 to copy these files to the boot disk.
If you format a floppy disk in Windows XP, the boot record points to the NTLDR file. When NTLDR runs, it loads the available operating system selections from the Boot.ini file. If you select Windows, NTLDR runs Ntdetect.com, and then passes control to Osloader.exe. If you select MS-DOS or OS/2, NTLDR loads Bootsect.dos.
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Artikel-id: 314079 - Laatst bijgewerkt: 9 apr. 2003 - Revisie: 1

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