Article ID: 812492 - View products that this article applies to.
When you start your computer, you may receive one or more of the following error messages:
Non-system disk or disk error
Replace and strike any key when ready
NTLDR is missing
Press any key to restart
Remove disks or other media.
Press any key to restart.
This issue may occur if your start device (such as a floppy disk drive, hard disk drive, or CD-ROM drive) does not contain boot files.
To resolve this issue, use one or more of the following methods, and then restart your computer:
For additional information about other possible causes for these error messages, click the following article numbers to view the articles in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/318728/ )How to troubleshoot the "NTLDR is missing" error message in Windows 2000
(https://support.microsoft.com/kb/255220/ )"NTLDR is missing" error message when you upgrade or install Windows 2000 over Windows 95, Windows 98 or Windows Millennium Edition
(https://support.microsoft.com/kb/314057/ )"NTLDR is missing" error message when you upgrade or install Windows XP
(https://support.microsoft.com/kb/318948/ )"NTLDR is missing or corrupt" error message during Windows 2000 or Windows NT 4.0 upgrade
(https://support.microsoft.com/kb/228004/ )Changing active partition can make your system unbootable
(https://support.microsoft.com/kb/315261/ )The computer does not start after you change the active partition by using the Disk Management tool
(https://support.microsoft.com/kb/80304/ )"Missing operating system" and "No ROM BASIC" error messages
(https://support.microsoft.com/kb/125480/ )Windows Setup was unable to update your system files
Article ID: 812492 - Last Review: September 23, 2011 - Revision: 4.0