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Disk Concepts and Troubleshooting

If key operating system data structures are damaged, they can prevent system startup. These structures include the MBR, the boot sector, and the core operating system files.

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Caution

Back up key data files before performing any disk repair operations. Do not run any disk tools that are not specifically designed for Windows 2000. Earlier versions of disk repair tools may not work properly. To prevent possible data loss, use a disk tool that is specifically designed for Windows 2000, such as Chkdsk.

To check for disk corruption with Chkdsk

  • From the command prompt, type:
    chkdsk c: /r

You can substitute drive C in the example for any locally installed read/writable drive in the computer.

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Note

Chkdsk cannot correct errors if there are open files on the volume because Chkdsk cannot lock the volume for exclusive access. In this case, Chkdsk offers to check the volume automatically the next time the computer restarts. This is typical behavior with the boot volume. When the boot volume is checked, the computer is automatically restarted after the volume check is completed.

If corruption is detected, you might need to replace system files. For more information about using Chkdsk and replacing system files, see Troubleshooting Tools and Strategies in this book.

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