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NTLDR Is Missing-官方版How to troubleshoot the "NTLDR Is Missing" error message in Windows 2000Article ID : 318728 Last Review : July 5, 2006 Revision : 3.4 How to Troubleshoot the "NTLDR Is Missing" Error MessageWhen you start your Windows 2000-based computer, you may receive the following error message: NTLDR is missingPress any key to restart This problem may occur if the basic input/output system (BIOS) on your computer is outdated, or if one or more of the following Windows boot files are missing or damaged: NtldrNtdetect.comBoot.ini To resolve this issue, verify that the BIOS on your computer is current, and then use one or more of the following methods, as appropriate to your situation, to repair the Windows 2000 startup environment. Method 1: Use a Boot Disk to Start the Computer1. 2. Create a Windows 2000 boot disk that contains the following files:NtldrNtdetect.comBoot.iniNtbootdd.sys For more information about how to create a boot disk, click the following article numbers to view the articles in the Microsoft Knowledge Base: 301680 (http://support.microsoft.com/kb/301680/) How to create a boot disk for an NTFS or FAT partition in Windows 101668 (http://support.microsoft.com/kb/101668/) How to use a Windows boot disk to prevent boot failure 3. Modify the Boot.ini file to point to the correct hard disk controller and to the correct volume for your Windows installation. For more information about how to create a boot disk, click the following article number to view the article in the Microsoft Knowledge Base: 311578 (http://support.microsoft.com/kb/311578/) How to edit the Boot.ini file in Windows 2000 4. Insert the boot disk into the computer's floppy disk drive, and then restart the computer. 5. Copy the Ntldr file, the Ntdetect.com file, and the Boot.ini file from the boot disk to the system partition of the local hard disk. Method 2: Use the Recovery Console1. Use the Windows 2000 Setup disks to restart the computer, or use the Windows 2000 CD-ROM to restart the computer. 2. At the Welcome to Setup screen, press R to repair the Windows 2000 installation. 3. Press C to repair the Windows 2000 installation by using the Recovery Console. 4. Type the number that corresponds to the Windows installation that you want to repair, and then press ENTER. For example, type 1, and then press ENTER. For more information, click the following article number to view the article in the Microsoft Knowledge Base: 229716 (http://support.microsoft.com/kb/229716/) Description of the Windows Recovery Console 5. Type the Administrator password, and then press ENTER. 6. Type map, and then press ENTER. Note the drive letter that is assigned to the CD-ROM drive that contains the Windows 2000 CD-ROM. 7. Type the following commands, pressing ENTER after you type each one, where drive is the drive letter that you typed in step 4 of "Method 2: Use the Recovery Console," of this article: copy drive:\i386\ntldr c:\copy drive:\i386\ntdetect.com c:\If you are prompted to overwrite the file, type y, and then press ENTER.NOTE: In these commands, there is a space between the ntldr and c:\, and between ntdetect.com and c:\. 8. Type the following command, and then press ENTER: type c:\Boot.iniA list similar to the following list appears: [boot loader]timeout=30default=multi(0)disk(0)rdisk(0)partition(1)\WINNT[operating systems]multi(0)disk(0)rdisk(0)partition(1)\WINNT="Microsoft Windows 2000 Professional" /fastdetect If you receive the following message, the Boot.ini file may be missing or damaged:The system cannot find the file or directory specified. 9. If the Boot.ini file is missing or damaged, create a new one. To do so, follow these steps:a. Use a text editor, such as Notepad or Edit.com, to create a boot loader file similar to the following boot loader file:[boot loader]timeout=30default=multi(0)disk(0)rdisk(0)partition(1)\WINNT[operating systems]multi(0)disk(0)rdisk(0)partition(1)\WINNT="Microsoft Windows 2000 Professional" /fastdetect For more information, click the following article number to view the article in the Microsoft Knowledge Base: 102873 (http://support.microsoft.com/kb/102873/) Boot.ini and ARC path naming conventions and usage 301680 (http://support.microsoft.com/kb/301680/) How to create a boot disk for an NTFS or FAT partition in Windows b. Save the file to a floppy disk as Boot.ini.NOTE: If you used Notepad to create the file, make sure that the .txt extension is not appended to the Boot.ini file name. c. Type the following command at the Recovery Console command prompt to copy the Boot.ini file from the floppy disk to the computer:copy a:\Boot.ini c:\ 10. Type exit, and then press ENTER. The computer restarts. Method 3: Use the Windows 2000 CD-ROM1. Insert the Windows 2000 CD-ROM into the computer's CD-ROM drive or DVD-ROM drive, and start Windows 2000 Setup. 2. On the Welcome to Setup page, press R. 3. On the Windows 2000 Repair Options page, press R. 4. When you are prompted to select one of the repair options, press M. 5. Press the UP ARROW, press the UP ARROW again, to select Verify Windows 2000 system files, and then press ENTER to clear the selection. 6. Press the DOWN ARROW to select Continue (perform selected tasks), and then press ENTER. The following message appears:You need an Emergency Repair disk for the Windows 2000installation you want to repair. 7. Do one of the following, as appropriate to your situation:‧ If you have an Emergency Repair Disk, follow these steps:a. Press ENTER. b. Insert the Emergency Repair Disk into the computer's floppy disk drive, and then press ENTER. c. Follow the instructions to repair the installation, and then restart the computer. -or- ‧ If you do not have an Emergency Repair Disk, follow these steps:a. Press L. You receive a message similar to the following:Setup has found Windows 2000 in the following folder: drive:\WINNT "Microsoft Windows 2000" b. Press ENTER.Setup examines the disks, and then completes the repair process. For more information about the emergency repair feature, click the following article number to view the article in the Microsoft Knowledge Base: 231777 (http://support.microsoft.com/kb/231777/) How to create an Emergency Repair Disk in Windows 2000 If Setup Cannot Locate Windows 2000If you do not have a Windows 2000 Emergency Repair Disk, and if Setup cannot locate the Windows 2000 installation, follow these steps: 1. Start Windows 2000 Setup. 2. On the Setup will install Windows 2000 on partition page, select Leave the current file system intact (no changes), and then press ENTER. 3. Press ESC to install Windows 2000 to a new folder. 4. In the Select the folder in which the files should be copied box, type \tempwin, and then press ENTER. Setup installs a new copy of Windows 2000. 5. Log on to the new copy of Windows 2000. 6. Click Start, and then click Run. 7. In the Open box, type cmd, and then click OK. 8. At the command prompt, type drive:, where drive is the boot drive of the computer, and then press ENTER. For example, type c:, and then press ENTER. 9. Type attrib -h -r -s Boot.ini, and then press ENTER. 10. Type edit Boot.ini, and then press ENTER.Edit.com opens a Boot.ini file that is similar to the following file:[boot loader]timeout=30default=multi(0)disk(0)rdisk(0)partition(1)\TEMPWIN[operating systems]multi(0)disk(0)rdisk(0)partition(1)\TEMPWIN="Microsoft Windows 2000 Professional" /fastdetect 11. Replace all instances of TEMPWIN with WINNT. The Boot.ini file that appears is similar to the following file:[boot loader]timeout=30default=multi(0)disk(0)rdisk(0)partition(1)\WINNT[operating systems]multi(0)disk(0)rdisk(0)partition(1)\WINNT="Microsoft Windows 2000 Professional" /fastdetect 12. Press ALT+F, and then press S. 13. Press ALT+F, and then press X. 14. Type attrib +h +r +s Boot.ini, and then press ENTER. 15. Type exit to quit the command prompt. 16. Restart the computer. 17. At the Please select the operating system to start screen, use the ARROW keys to select Microsoft Windows 2000, and then press ENTER. 18. Start Windows Explorer, locate the following folders, and then delete them:TempwinAll Users.Tempwin .msgcontent .wsharing ul li { text-indent: 0; } 分享 Facebook Plurk YAHOO! .