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c000021a {Fatal System Error} What do I do now?


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11 replies to this topic

#1 cmozey

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Posted 30 August 2010 - 03:36 PM

My computer (64bit) has a blue screen that reads c000021a {fatal system error} and wont let me start up even in safe mode! We have run a start up repair and a system restore and both of those fail. Please help!

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#2 Elise

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Posted 30 August 2010 - 03:45 PM

Hi cmozey, please run the following steps:

Download http://unetbootin.sourceforge.net/unetboot...dows-latest.exe to the desktop of your clean computer
  • Insert your USB drive
  • Press Start > My Computer > right click your USB drive > choose Format > Quick format
  • Double click the unetbootin-xpud-windows-387.exe that you just downloaded
  • Press Run then OK
  • It will install a little bootable OS on your USB
  • After it has completed do not choose to reboot the clean computer simply close the installer
  • Remove the USB and insert it in the sick computer
  • Boot the Sick computer
  • Press F12 and choose to boot from the USB
  • Follow the prompts
  • A Welcome to xPUD screen will appear
  • Press File
  • Expand mnt
  • sda1,2...usually corresponds to your HDD
  • sdb1 is likely your USB
Now for the tricky part; we need to locate replacement copies for two files: explorer.exe and wininit.exe

Please see if you can do a file search for these two files and post me the locations you found.

regards, Elise


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#3 cmozey

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Posted 30 August 2010 - 04:25 PM

elise025:

I got to the part where I place the USB drive into the "sick" computer but there are no prompts to follow. I chose the USB boot option and the screen now reads syslinux 3.72 2008-09-25 EBIOS copyright ... then could not find kernel image: linux
.... help!

#4 Elise

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Posted 31 August 2010 - 04:59 AM

There have been problems with the download lately. Try this please. You will need a USB drive.

Download GETxPUD.exe to the desktop of your clean computer
  • Run GETxPUD.exe
  • A new folder will appear on the desktop.
  • Open the GETxPUD folder and click on the get&burn.bat
  • The program will download xpud_0.9.2.iso, and upon finished will open BurnCDCC ready to burn the image.
  • Click on Start and follow the prompts to burn the image to a CD.
  • Remove the USB & CD and insert it in the sick computer
  • Boot the Sick computer with the CD you just burned
  • The computer must be set to boot from the CD
  • Gently tap F12 and choose to boot from the CD

Edited by elise025, 31 August 2010 - 05:04 AM.

regards, Elise


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#5 cmozey

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Posted 31 August 2010 - 08:02 PM

I was able to successfully burn the cd and the disc opened the GetxPud program. I went FILE and expanded the MNT and now I have sda1 sda 2 & sda 3 folders. How do I search locate replacement copies for two files: explorer.exe and wininit.exe?

#6 cmozey

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Posted 31 August 2010 - 08:21 PM

I have located the explorer.exe on the sda 2...windows...explorer.exe

#7 Elise

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Posted 01 September 2010 - 05:50 AM

Lets see if this will work.
  • Download http://noahdfear.net/downloads/driver.sh to your USB
  • Boot the computer with the CD again.
  • Click on File
  • Expand mnt
  • Expand your USB (sdb1)
  • Confirm that you see driver.sh.
  • Press Tool at the top
  • Choose Open Terminal
  • Type bash driver.sh -f
  • Press Enter
  • You will be prompted to input a filename.
  • Type the following:

    explorer.exe

  • Press Enter
  • If succesful, the script will search this file.
  • After it has finished a report will be located in the USB drive as filefind.txt
Repeat this process for wininit.exe

Please note - all text entries are case sensitive

Copy and paste the filefind.txt for my review

regards, Elise


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#8 cmozey

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Posted 01 September 2010 - 06:42 PM

I located the explorer.exe but not the wininit.exe. I attempted to follow your last directions for the explorer.exe and in the sda1 folder there is nothing that says driver.sh

#9 cmozey

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Posted 01 September 2010 - 06:45 PM

I have located the recovery disk for the laptop as well as a disk that reads apps and drivers. I know the recovery disk will wipe out the harddrive and I really need to save what is on the drive if at all possible. Would the apps and drivers disc be of any help?

#10 Elise

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Posted 02 September 2010 - 08:06 AM

You first need to download driver.sh, put it on a flashdrive and run the command.

Please reread my instructions carefully and you should be able to follow them. :thumbsup:

Unfortunately both disks are of no use in this problem.

regards, Elise


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#11 cmozey

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Posted 03 September 2010 - 08:32 PM

I have followed your instructions again and have even used a different flash drive. Driver.sh downloads onto the drive according to the good computer (when I open the usb drive it shows it is there) but when I open sda1 on the sick computer it only has a file that reads sources, a file that reads system volume information, and to blue diamond icons that read BOOT.SDI and WinREPartition.ini. I opened the folders and driver.sh isn't inside the folders either. :thumbsup:

#12 Elise

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Posted 04 September 2010 - 04:24 AM

sda1 is not your usb drive, it will be called something like sdb1.

In other words, you are looking at the wrong drive. :thumbsup:

regards, Elise


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