Blue Screen of unknow hard error

I boot the computer when the blue screen often, was prompted c0000221 unknow hard error \ systenroot \ systen32 \ ntdll.dll.I have tried to document the replacement ntdll.dll, but the file is in use, not-for-(I am not a professional, I do not know This document replacement after okay, anyway, trying everything acute disease Bai, Liang Yi-cheng ill for a long time can also be a good thing).Arising after the blue screen (about 5-minute warm-up) to resume, at the same time, mad about the mouse button out, This system will be able to enter the WIN XP.Zhizhao invited an expert to help you solve the little sister, Bo – a pro (the men)! Beauty score an additional 50 minutes (but must be marked with Oh MM)!

unknown hardware error! you check “c0000221” This is what is wrong number! (not appear on the screen:
STOP:c0000221 Unkown Hard Error
Unkown Hard Error

Microsoft Knowledge Base

to explain the error message “STOP:C0000221 unknown hard error” (stop:C0000221 unknown hard error) Or “STOP:C0000221 STATUS_IMAGE_CHECKSUM_MISMATCH”
view this article applies to products
Article ID:314474
last modified:April 13, 2005
Amendment:3.0
symptoms you may
The following receipt of any “stop,” one of the error message:
STOP:C0000221 unknown hard error
Path \ File_name
STOP:0xC0000221 unknown hard error
C:\ Winnt \ System32 \ Ntdll.dll ( or another specific file or driver)
STOP:0xC0000221 STATUS_IMAGE_CHECKSUM_MISMATCH
Path \ File_name
other symptoms For more information, see “More Information” section.
reason
If the error message Described in the documents have been damaged, there may be a problem.Microsoft Windows XP start-up checks of the integrity of the following documents:? All documents Driver (system loader to load your computer with the exception of those documents)
? All dynamic-link library (DLL), including users, Graphics Device Interface (GDI), Shell, core, Ntdll, Crtdll and so on.
If you install the hardware for the incorrect driver, there may be a The problem.For example, if you are in the X86-based computer is installed on millions of instructions per second (MIPS) driver, this article will receive the “summary” in a description of the error message one.

If the Iomega Zip drive and hard disk drives in the same integrated device electronics (IDE), may be the problem.

Mentioned in this article from third-party products other than Microsoft offers.For these products The performance or reliability, Microsoft does not imply any guarantee or other form of assurance.
Solution
to resolve this problem, you can get a damaged copy of the new document, or reinstall Windows XP.If you reinstall Windows XP after receipt of this article, “summary” in a description of any one of the error message, then there may be hardware or network problems.
More information
the error message may be displayed in many different formats, Including the blue screen appears in the error message displayed in the dialog box or error message.Shown in the error message format depends on the type of damage has been detected in the documents, the extent to load the operating system)