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windows Vista will not load. stop:c0000221 unknown hard error, \systemroot\system32\ntdll.dll.

    Question

  • Hi, can anyone help me? Windows Vista will not load. stop:c0000221 unknown hard error, \systemroot\system32\ntdll.dll.  I can not get to a cammand prompt. How can I resolve this? Thanking you!
    Tuesday, July 07, 2009 2:41 AM

Answers

  • Hello,

     

    According to your problem description, please perform the following instruction to narrow down the issue.

     

    Repair system files

    1. Put the Windows Vista installation disc in the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …" appears.

    3. Select a language, a time, a currency, and a keyboard or another input method, and then click Next

    4. Click Repair your computer

    5. (Click the operating system that you want to repair), and then click Next

    6. In the System Recovery Options dialog box, click Command Prompt

    7. Type "chkdsk /F C:" (without quotation marks) and click Enter.

    8. Restart the computer and have a test.

     

    Use the Windows Recovery Environment (WinRE) to run System Restore

    1. Insert the Windows Vista installation disc into the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.

    3. Select a language, a time and currency, and a keyboard or input method, and then click Next

    4. Click Repair your computer

    5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next 

    6. At the System Recovery Options Dialog Box, click on System Restore.

    7. Follow the System Restore Wizard instruction as usual and choose the appropriate restore point.

    8. Click Finish to restore the system.

     

    Startup Repair from the Windows Recovery Environment (WinRE)

    1. Insert the Windows Vista installation disc into the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.

    3. Select a language, a time and currency, and a keyboard or input method, and then click Next

    4. Click Repair your computer

    5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next

    6. At the System Recovery Options Dialog Box, click on Repair your computer.

    7. (Click the operating system that you want to repair), and then click Next.

    8. In the System Recovery Options dialog box, click Startup Repair.

     

    Good Luck!

    Andy

    • Marked as answer by Andy Song Monday, July 13, 2009 7:44 AM
    Wednesday, July 08, 2009 8:53 AM

All replies

  • Hello,

     

    According to your problem description, please perform the following instruction to narrow down the issue.

     

    Repair system files

    1. Put the Windows Vista installation disc in the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …" appears.

    3. Select a language, a time, a currency, and a keyboard or another input method, and then click Next

    4. Click Repair your computer

    5. (Click the operating system that you want to repair), and then click Next

    6. In the System Recovery Options dialog box, click Command Prompt

    7. Type "chkdsk /F C:" (without quotation marks) and click Enter.

    8. Restart the computer and have a test.

     

    Use the Windows Recovery Environment (WinRE) to run System Restore

    1. Insert the Windows Vista installation disc into the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.

    3. Select a language, a time and currency, and a keyboard or input method, and then click Next

    4. Click Repair your computer

    5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next 

    6. At the System Recovery Options Dialog Box, click on System Restore.

    7. Follow the System Restore Wizard instruction as usual and choose the appropriate restore point.

    8. Click Finish to restore the system.

     

    Startup Repair from the Windows Recovery Environment (WinRE)

    1. Insert the Windows Vista installation disc into the disc drive, and then start the computer. 

    2. Press a key when the message indicating "Press any key to boot from CD or DVD …". appears.

    3. Select a language, a time and currency, and a keyboard or input method, and then click Next

    4. Click Repair your computer

    5. In the System Recovery Options dialog box, choose the drive of your Windows installation and click Next

    6. At the System Recovery Options Dialog Box, click on Repair your computer.

    7. (Click the operating system that you want to repair), and then click Next.

    8. In the System Recovery Options dialog box, click Startup Repair.

     

    Good Luck!

    Andy

    • Marked as answer by Andy Song Monday, July 13, 2009 7:44 AM
    Wednesday, July 08, 2009 8:53 AM
  • Andy,
     Thank you for your help! It's people like you that make this site work. Thanks for taking the time to answer my question.
    Jason
    Friday, July 17, 2009 1:30 AM