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BAD SYSTEM CONFIG INFO after Windows 10 update


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#1 nailedBad

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Posted 06 February 2018 - 11:09 AM

I’ve been running Windows 10 on a Toshiba Satellite laptop for a while, and have endured only the occasional, minor annoyance from a Windows 10 update.  And the latest update on Sunday evening (Feb. 4) appeared to complete successfully after a restart.  But when I attempted to restart again yesterday evening, however, I got the dreaded "BAD SYSTEM CONFIG INFO" boot error.  No other updates or installs were performed between the Sunday Windows 10 update and the failed reboot.

 

Following the boot error message, Automatic Repair ran but failed, as did all of the following accessed via Advanced options:

  • Continue (to Windows 10) - Hey, it was worth a try.
  • Troubleshooting>Advanced options>
    • System Restore - "No restore points have been created ..."
    • Startup Repair - Same outcome as with failed Automatic Repair.
    • Go back to previous version - "We ran into a problem and won't be able to take you back ..."

Command Prompt did open a CMD window, however, so I used Google to find threads describing what to do next.  That uncovered several candidate fixes, so I tried #1 described below, and started on #2 before getting to a fork in the road that I decided deserved this posting:

  1. I first tried a 4-step fix involving use of bootrec, after changing the current directory from X:\windows\system32 to X:\windows\system32.  The fix failed at bootrec /fixboot with "The volume does not contain a recognized file system. Please make sure that all required file system drivers are loaded ..."
  2. Next tried a variation of #1 that I found posted 7/30/2017 by John Vil in this (now locked) MS Community thread which starts with bootrec /rebuildbcd.  Running that command generated the following report and option:

Successfully scanned Windows installations.

Total identified Windows installations: 1

[1] C:\Windows.old\WINDOWS

Add installation to boot list?  Yes(Y)/No(N)/All(A):

 

Question 1: Should I continue down this path, and if so, which /rebuildbcd option should I choose, Y or A?

 

Question 2: Or should I abandon this path and try another first?  For example, fix #4 in this XtremeRain article (also found in an MS Community thread), which appears to involve restoring the pre-update registries?

 



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#2 usasma

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Posted 06 February 2018 - 05:32 PM

Do not let it select the option to boot withe Windows.old - that's an old save from a previous upgrade and may not contain enough info for the system to boot.
It won't hurt to try it (IMO) tho' - as you're probably going to have to try and reinstall Windows after wiping the hard drive clean.
Don't forget to backup your stuff before doing this (if you need help with a backup - post over in the Backup forums:  http://www.bleepingcomputer.com/forums/f/238/backup-imaging-and-disk-management-software/

 

You can also try the fix in the XtremeRain article.  If it doesn't work, then you're on your way to the clean install also.

 

Here's what I suggest:

 

A clean install is:
- Windows is installed to a freshly partitioned hard drive with legitimate installation media (W10:  https://www.microsoft.com/en-us/software-download/windows10 ).
- The installation media is only a copy of Windows, not the OEM recovery disks that you can make on some systems.
- Windows is fully updated after it's installed.  That's ALL updates - none excepted.
- NO 3rd party software is installed.
- There are no errors in Device Manager (if you find any, post back for suggestions).

This will wipe everything off of the computer, so it's advisable to backup your stuff first.
Also, it will wipe out all the special software that the OEM added to the system, so if you rely on any of that - let us know what it is so we can figure out a way to save/download it (the easiest way is to create/obtain the OEM;s recovery media)

If unable to find recovery media that has the software (or if you suspect that this is a hardware problem), you can make an image of your system that'll preserve everything in the state that it was in when you made the image.  You can also do this if you don't want to try another hard drive - yet you want to be able to return to the current system state.
One drawback to this is that you're making an image of a malfunctioning system - so, if there are errors in the system software, you'll have a nice copy of them :(
Another drawback is that the image of the system will be very large - so you'll most likely need a large external drive to store it on.
But, this will allow you to save everything on the hard drive (although you'll need an image viewer to get things out of the image).
The point here is that, if it's a hardware problem, then you can restore the system to the point it was when you made the image - after you repair the hardware problem.
You can obtain more info on imaging in the Backup/Imaging/DiskMgmt forums located here:  http://www.bleepingcomputer.com/forums/f/238/backup-imaging-and-disk-management-software/

The point of doing this (the clean install) is to:
- rule out Windows as a problem (if the problem continues, it's not a Windows problem as you completely replaced Windows
- rule out 3rd party software (if the problem continues, it's not a 3rd party software problem as you didn't install any 3rd party software)
- so, if the problem continues, it must be a hardware problem.

OTOH, if the problem stops, then it was either a Windows or 3rd party software problem.  If the problem doesn't come back, then you've fixed it.  Then all that remains is setting the computer back up the way that you'd like it and importing your data from the backup you made.


My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

#3 nailedBad

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Posted 07 February 2018 - 07:49 AM

John, thanks very much for your reply, and for all the information and suggestions.  I will need some help with backing up my files from a CMD window so will post to the Backup forum you identify.

 

Btw, I was saddened to note that you're having serious problems with your vision.  If it can't improve, I hope that it doesn't get any worse.


Edited by nailedBad, 07 February 2018 - 08:58 AM.


#4 usasma

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Posted 07 February 2018 - 12:43 PM

Thanks for the kind words.  FWIW - my eyes were scarred by a disease called Toxic Epidermal Necrolysis.

If you Google it, be prepared for some gross pictures - it's sort of like a chemical burn, but from the inside out.

 

The steroids used to help me caused cataracts and glaucoma.

The surgery (on the right eye) for this happened as we lost power due to a hurricane - and my showering in the high school gym got me infected in one eye.

Several surgeries later, I'm totally blind in the right eye.

 

The vision in the left eye is about 70% intact (the 30% is damage to the eye from the glaucoma)

That surgery was successful - so the vision that remains is 20/20

BUT....

There's more to vision than just reading the chart.
First off, I have dry eye - so I'm constantly putting drops in my eyes (which changes my vision)

Next, I have malfunctioning mebomian glands - and they now secrete crystals that scrape across the surface of my eye - so I have to wear contact lenses to protect them.  I still get frequent corneal abrasions and ulcers.

Finally, the tears that I do have aren't well balanced, and they change with the weather/seasons - so I'm looking through a constantly changing visual field.

Most recently the tears became very thick and cloudy - so I'd add drops to thin them out.  This'd improve the vision for a short period, but it'd quickly go back to cloudy.

The vision has actually gotten better over the last month or so - enough that I'm considering changing my sign back to the original (where I warn people that I might go blind suddenly).

Finally, my cornea specialist thinks that I'm going to go blind before I die.  I think that it'll most likely be from a corneal ulcer that perforates my eyeball (has almost happened 3 times so far).  Not something that I look forward to, so I spend a lot of time caring for my eyes.


My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.




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