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Windows 7 Fatal Error Repair

  • 20-05-2016 11:20am
    #1
    bennyc
    Registered Users, Registered Users 2 Posts: 1,907 ✭✭✭


    Hi I have an all in one PC that is throwing a
    Stop: c000021a fatal system error at boot,
    The following didn't work, auto repair, safe mode, system restore, no option to recover the OS without factory restore built in,
    I cannot afford to factory reset this as the system is for a till and an account system that was bought but out of support therefore I want to do everything possible to somehow repair the OS without loosing the programs. I have the data btu wont be able to reconfigure the system.
    I have made a clone of the HDD so I can mess around with the clone and make another if necessary.
    The OS according to the sticker is 7 Home Premium OEM, I have had a go at upgrading using a pro disk but wont run as the last boot failed, is there a way around that ? I am currently downloading a 7 Home disk to try and run the repair but I am not to hopeful on that.
    Any other suggestions ?


Comments

  • #2
    200motels
    Registered Users, Registered Users 2 Posts: 2,604 ✭✭✭200motels


    bennyc wrote: »
    Hi I have an all in one PC that is throwing a
    Stop: c000021a fatal system error at boot,
    The following didn't work, auto repair, safe mode, system restore, no option to recover the OS without factory restore built in,
    I cannot afford to factory reset this as the system is for a till and an account system that was bought but out of support therefore I want to do everything possible to somehow repair the OS without loosing the programs. I have the data btu wont be able to reconfigure the system.
    I have made a clone of the HDD so I can mess around with the clone and make another if necessary.
    The OS according to the sticker is 7 Home Premium OEM, I have had a go at upgrading using a pro disk but wont run as the last boot failed, is there a way around that ? I am currently downloading a 7 Home disk to try and run the repair but I am not to hopeful on that.
    Any other suggestions ?
    Have you tried last known good configuration after pressing F8? This should work as the problem you have is corrupt start up files at boot up.


  • #3
    d31b0y
    Registered Users, Registered Users 2 Posts: 2,028 ✭✭✭d31b0y


    Try running SFC /scannow too. You can run it on a secondary disk (depending on how you cloned your drive).
    http://superuser.com/questions/869094/how-to-run-a-system-file-check-on-an-external-hd


  • #4
    cunnijo
    Registered Users, Registered Users 2 Posts: 619 ✭✭✭cunnijo


    See the link below with a suggested solution from Microsoft. It also details the potential causes.

    http://answers.microsoft.com/en-us/windows/forum/all/blue-screen-error-c000021a-fatal-system-error/549075f8-f695-4047-b747-2b4e118e1ffd?auth=1


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