Member Avatar for zack_rage

i install the via 97 realtek audio driver after restarting , my computer hangs and when i use safe mode options i received the error message (C0000221 unknown hard error \systemroot\system32\ntdll.dll) i try everthing fom disabling the hardware which is onboard from the bios but nothing happens i do not want to format my harddisk, so if i can get any help from you guys (thanks in advanced)
:cry:

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Dani AI

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Short summary and practical next steps based on the thread: the C0000221 error pointing at \systemroot\system32\ntdll.dll means Windows is failing to load a core system DLL — usually because that file is corrupted, mismatched (wrong version), or disk/RAM faults are corrupting files. Because reports Safe Mode and the Recovery Console also crashing (IRQL_NOT_LESS_OR_EQUAL), treat both software (corrupt DLL/driver) and hardware (bad RAM, flaky motherboard, HDD errors) as possible causes.

Try these prioritized actions (avoid a full format until these are checked):

  • Check memory and minimal hardware first. Boot a standalone memory tester (Memtest86+) from CD/USB and let it run several passes. If errors appear, test one RAM stick at a time or swap with known-good RAM. Remove nonessential cards/drives and reset BIOS to defaults.

  • Repair or replace the damaged ntdll.dll from outside Windows. Boot the XP CD to the Recovery Console (confirm which drive letter Windows uses) and run a disk check, back up the bad DLL, then expand the clean copy from the CD. Example commands (adjust drive letters as needed):

chkdsk c: /r
ren c:\windows\system32\ntdll.dll ntdll.bak
expand d:\i386\ntdll.dl_ c:\windows\system32\ntdll.dll
  • If Recovery Console refuses to run or the Repair option fails, try a Windows Repair (in-place repair from the XP setup — the “R” option). That replaces core system files without wiping user data. If even a clean install triggers the same IRQL BSOD, that strongly points to faulty RAM/motherboard or PSU.

After the system is stable, reinstall drivers only from the motherboard/vendor site (not the first generic package you find). Tie this back to and ’s suggestions: use repair tools first and rule out hardware before formatting.

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All 11 Replies

Member Avatar for nanosani

if you are using win 2000 or win xp .. you can repair the windows. You can also start your windows with last known good configuration.

Member Avatar for zack_rage

SAME RESULTS MY FRIEND WINDOWS XP CRASHES AFTER BOOTING AND MY SYSTEM INITIALIZE SOME ERRORS. any suggestions pls!!!!!!!

Member Avatar for zack_rage

SAME RESULTS MY FRIEND WINDOWS XP CRASHES AFTER BOOTING AND MY SYSTEM INITIALIZE SOME ERRORS. any
suggestions pls!!!!!!!

and if i use the advanced options safe mode (ntd.dll errors ) if i use last good configurations the system checks the harddisk everytime all off the options are useless post some tips on how to reinstall this errors

Member Avatar for caperjack

Try system restor back to earlier date ,or try botting to XP disk and run the Repair .

Member Avatar for zack_rage

how can i use the recovery console please post some tips thanks!!!!!!!

Member Avatar for zack_rage

how can i use the recovery console please post some tips thanks!!!!!!!

if i use the recovery console the blue screen appears and states a problem has been detected and windows has been shut down
IRQL_not_less_or_equal


if i use the clean install same error appear

IRQL_not_less_or_equal

Member Avatar for qweasd

just format and install a fresh copy of windows... no wonder tarantino made the movie KILL BILL !! he must of have installed windows :evil:

Member Avatar for caperjack

Member Avatar for zack_rage

http://www.computerhope.com/issues/ch000365.htm

thanks a lot caperjack for the troubleshooting tips my computer seems fine now cheers for you
bro!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :mrgreen:

thanks dani web cheers ~~~{}{}{}{}{}{}{}{}{}{}

Member Avatar for caperjack

Glad I could help

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