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Windows 7: BSOD after using Konboot

01 Jan 2013   #1
Pikay2k

Windows 7 Starter
 
 
BSOD after using Konboot

I assume this forum mostly gets BSODs, but I've run into a different issue. My daughter forgot her password for her netbook running Windows 7 Starter, so first I used Ophcrack, which was unable to get the password. I then proceeded to try Kon-boot 1.0, which bypasses the Windows login screen, only for it to break something.

To be fair, it was my fault for not understanding that it simply bypasses login, I thought it'd remove the password like other tools I planned to use next. After using Kon-boot I got a BSOD, but was unable to see what it said. Even after booting normally, I was getting BSODs, so I decided to run a startup repair. The repair was going fine until my dog happened to trip on the cord and remove the power cable without me realizing, causing it to run out of battery mid-repair.

So once I started my computer up again, I no longer had a BSOD. Instead, I was greeted to the Windows logo followed by a black screen with a movable cursor. Even when I go to safe mode, I get a black screen with a movable cursor. Ctrl+alt+del does nothing, trying to activate sticky keys with shiftx5 does nothing as well.

I've tried another repair and it states it finds errors that it was unable to fix. I tried SFC /SCANNOW and it also states it found errors it was unable to repair. I tried check disk, repairing MBR, repairing boot sector, and still nothing. I've even tried editing registry entries as suggested here but I still get KSOD.

I'm interested in the PrevX KSOD fix, but can't use it since ctrl+alt+del does nothing. Would it possibly work if I ran it through command prompt on the recovery disk?

Are there any other suggestions anyone has? I have no external hard drive large enough to back up her files, I'd rather not take the chance that the previous Windows install fails to be moved to a Windows.old folder if I decide to re-install.


My System SpecsSystem Spec
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01 Jan 2013   #2
Pauly

Win7 Ultimate X64
 
 

I think you may have serious problems from the mid repair shutdown especially after everything that has happened & been done, have a read through some of these posts and see if you can find any ideas there
Startup Repair
Startup Repair - Run 3 Separate Times
Troubleshooting Windows 7 Failure to Boot
Troubleshooting Steps for Windows 7
Repair Install
My System SpecsSystem Spec
01 Jan 2013   #3
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Paul, I was thinking on it ....
If Pikay2k Uninstall the program (Konboot) in a command prompt opened in System Recovery Options and then follow the tutorial User Account Password - Change from WinRE, will he be able to log on the computer again?

Though in step #9, it is to use the remove option I think, if that method is followed.

May it work anyhow? Or just some wishful thinking?
My System SpecsSystem Spec
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01 Jan 2013   #4
Pikay2k

Windows 7 Starter
 
 

Arc, I'll try that right now and tell you how it goes. I actually didn't realize there was a need to uninstall Kon-boot.

Edit - Kon-boot isn't an application installed in Windows, it's a program that needs to be booted into that bypasses the Windows login screen. So there's no uninstalling, as far as I know. Thanks for the suggestion though.
My System SpecsSystem Spec
01 Jan 2013   #5
Pauly

Win7 Ultimate X64
 
 

I was kinda thinking more that the install is probably knackered from mid repair shutdown, i was thinking it may have been mid way through reverting windows files or registry or something and ended up with part old system/part new, it seems already beyond system file checker (sfc) thats why i was thinking startup repair moving towards repair install and then worst case new install over top to leave windows.old folder which you dont seem to confident about
It is possible though to get to command prompt at boot and transfer out user files to usb stick or other media
My System SpecsSystem Spec
02 Jan 2013   #6
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

I am also guessing that you are absolutely right, Paul.

A clean install is the best way here. And for saving the files and documents, Copy & Paste - in Windows Recovery Console
My System SpecsSystem Spec
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 BSOD after using Konboot




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