The computer stops responding, and you receive a "Stop error code 0x00000069 (IO1_INITIALIZATION_FAILED)" error message

To resolve this issue, you must perform an in-place upgrade of Windows 2000 Server.

Important Do not continue with the in-place upgrade of Windows 2000 Server until you have made a backup copy of the Windows 2000 Server registry. To do so, start the Recovery Console (because your computer does not start correctly), and then make a backup copy of the registry files that are located in the drive:\Winnt\System32\Config folder, where drive is the drive that Windows is installed on.

For additional information about how to use the Recovery Console on a Windows 2000-based computer that does not start, click the following article number to view the article in the Microsoft Knowledge Base:

301645 HOW TO: Use Recovery Console on a Computer That Does Not Start in Windows 2000

To perform an in-place upgrade, follow these steps:

1. Insert the Windows 2000 Server CD-ROM in the computer's CD-ROM or the DVD-ROM drive, start the computer, and then press any key to start from the CD-ROM.
2. In Windows 2000 Server Setup, press ENTER to select To set up Windows 2000 now, press ENTER on the Welcome to Setup screen.
3. Click Accept to accept the License Agreement.
   
   Windows Setup searches the hard disk for any previous installations of Windows 2000 Server.
4. Use the arrow keys to select the Windows 2000 Server installation that does not start, and then press R to select To repair the selected Windows 2000 installation, press R.
5. Follow the instructions in Windows 2000 Server Setup to complete the repair of your existing Windows 2000 installation.
6. When Setup completes, remove the Windows 2000 Server CD-ROM from the CD-ROM or the DVD-ROM drive.
7. Restart the computer.