Reference number: CH000961
Windows STOP: unknown hard error with the
ntdll.dll file.
Question:
Windows STOP: unknown hard error with the ntdll.dll file.
For example: STOP: C0000221 Unknown Hard Error \SystemRoot\System32\ntdll.dll
Answer:
Below are several different recommendations that have been known
to fix this issue. Installation
of Windows corrupt or bad
If you're getting this issue after installing Microsoft Windows
make sure the CD or DVD verify the below recommendations.
Scratched or otherwise damaged disc Ensure the disc
you're using to install Windows is not scratched or otherwise
damaged. In some cases a damaged disc may be able to complete the
installation but errors encountered during the installation can
cause this error. If your disc is damaged it's recommended that it
be replaced. Burned copy or illegal copy of Windows If
you're attempting to install Windows from a burned CD and
encountering this issue it may be the cause of your issue. If the
files have not been copied correctly onto the disc the installation
may fail and cause this error. We suggest getting a legitimate copy
of Windows. Hardware issues Any of the hardware issues
mentioned below may cause issues during the installation of Windows
and generate this error after the installation. Re-install
Windows If you believe any of the above were the cause of your
issue after correcting the issue we suggest re-installing Windows. Hardware related issues
Defective EIDE / IDE cable. Verify your computer does
not have a defective EIDE/IDE
cable by either swapping the cable connected to your hard disk drive
with a known good cable or purchasing a new cable to be used in the
computer. Another EIDE / IDE device on the cable as hard drive Other devices that are on the same cable as a
EIDE/IDE hard disk drive have been
known to cause this issue (this includes zip drives, CD, DVD, and
burners). To help verify this is not the cause of your issue
temporarily disconnect any device on the same cable as the hard disk
drive. If this does resolve your issue the device may need updated
drivers or firmware update,
may be incompatible (try using on the other EIDE/IDE cable, may not
have jumpers set properly, or may be bad. Drivers
Improper or out-of-date
drivers
can also cause this error. Verify that you have the latest
motherboard, CD, DVD, zip drive, other disk drive drivers. A listing
of links to each of the manufacturers for each of these devices can
be found on our drivers listing page. When downloading and installing the drivers verify you're using the
correct drivers for the device you have installed and that you're
using the drivers designed for your processor. Additional Information:
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