Change your computer's boot sequence. Make sure that your computer's first boot sequence is the CD-ROM Drive.
Boot Windows and start the Recovery Console
- Insert the Windows XP CD-ROM into the CD-ROM drive, and then restart the computer.
- Click to select any options that are required to start the computer from the CD-ROM drive if you are prompted.
- When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Note If you have a dual-boot or multiple-boot computer, select the installation that you must access from the Recovery Console.
- When prompted, type the Administrator password. If the administrator password is blank, just press ENTER.
- Enter in the following commands
COPY X:\i386\NTLDR C:\
COPY X:\i386\NTDETECT.COM C:\
[where X= your CD ROM drive letter]
Take out the CD ROM and type exit
255220"NTLDR is missing" error message when you upgrade or install Windows 2000 over Windows 95, Windows 98 or Windows Millennium Edition
314057"NTLDR is missing" error message when you upgrade or install Windows XP
318948 "NTLDR is missing or corrupt" error message during Windows 2000 or Windows NT 4.0 upgrade
228004 Changing active partition can make your system unbootable
315261 The computer does not start after you change the active partition by using the Disk Management tool
80304 "Missing operating system" and "No ROM BASIC" error messages
125480 Windows Setup was unable to update your system files