Windows 10: Inaccessible boot device after reboot from Update

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  1.    16 Oct 2015 #1

    Inaccessible boot device after reboot from Update

    Sorry, I read through the posting instructions, but due to the nature of the problem, I can not provide a crash log or a screen shot because I can not get past the Repair/Diagnose loop.

    My Windows 10 pro has been running just fine until yesterday when I did an update. After the update and reboot, I get stuck in a loop stating the system cant start because of "Inaccessible boot device". It goes thru a process of restarting itself and self diagnostics and repair, but it keeps looping without fixing itself. I do get to select options such as boot up in safe mode but it wont, it goes back in that loop. I can boot into the Bios, I have an SSD that has always been set to ACHI mode, and it is. I just cant get out of this loop?

    The only fortunate thing is that I have backup image files, so I do a quick secure erase of the SSD and reload the image fresh. All goes well until I do the Windows update, then reboot into this problem. I disabled Updates for the moment and spent a lot of hours on Google and YouTube, nothing I found so far has worked, so I figured I would try a fresh start here. Please advise, thanks
      My ComputerSystem Spec

  2. axe0's Avatar
    Posts : 13,705
    Windows 10 Pro
       17 Oct 2015 #2

    Hi Fakum,

    Please do not use Windows Update before we have made sure the SSD and system files are fine.

    Please try following:
    • Open an admin command prompt
    • Copy/paste "sfc/scannow" (without quotes) and press enter
    • When it finished reboot your system
    • Open again an admin command prompt
    • Enter sfc/scannow again

    If sfc/scannow does NOT say "Windows Resource Protection did not find any integrity violation" after the second SFC, please upload the cbs.log file located at {windows partition}\Windows\Logs\CBS\, if the file is too large try a 3rd party uploader like dropbox, onedrive, google drive, mediafire etc.
    System File Check(SFC a.k.a. Windows Resource Protection) needs to have your system rebooted in order for sfc to try to fix the problems that it finds.

    Inaccessible boot device after reboot from Update Diagnostics Test Inaccessible boot device after reboot from Update

    Run chkdsk Disk Check - Windows 7 Help Forums
      My ComputersSystem Spec

  3.    17 Oct 2015 #3

    Thank you for the prompt response and easy to follow instructions.
    It DOES say "Windows Resource Protection did not find any integrity violations"
      My ComputerSystem Spec

  4.    18 Oct 2015 #4

    Is there something else I can try to do to resolve this? Thanks,
      My ComputerSystem Spec

  5. axe0's Avatar
    Posts : 13,705
    Windows 10 Pro
       18 Oct 2015 #5

    What is the result of chkdsk?
      My ComputersSystem Spec

  6.    18 Oct 2015 #6

    ohhh,, I didn't do that,, I seen that in your post but I thought it might have been part of your signature or common banner,,,sorry,, I will do that now and report back. Thanks
      My ComputerSystem Spec

  7.    18 Oct 2015 #7

    No Errors found
      My ComputerSystem Spec

  8. axe0's Avatar
    Posts : 13,705
    Windows 10 Pro
       18 Oct 2015 #8
      My ComputersSystem Spec

  9.    18 Oct 2015 #9

    Thanks,, I did use that approach last week and hid the selected updates, but it did not work. I tried again now with the addition of something new as described in the link to disable auto updates, and that was the use of " Local Group Policy Editor". So I followed hat procedure, then the procedure to use the utility to hide the updates. So I selected the updates I wanted to hide, all went well, I went to Security and Updates again to check for updates, and those particular updates I chose to Hide were still available to update? Anyway, I confirmed they were indeed hidden through the hide utility, and I proceeded to see what it would do if I agreed to allow the update. It processed it, I checked the update history and it said it was done successfully , then I went and selected uninstall updates, and they are not there to select? Confusing,, but I rebooted and it did not go into the BSOD loop this time,,, I guess I cant complain,,, thanks fro the help. I'm a bit confused why the updates I choose to hide still show up as available updates and it says it has done so when I check the history, but its not in the list of updates to uninstall?
      My ComputerSystem Spec

  10. axe0's Avatar
    Posts : 13,705
    Windows 10 Pro
       18 Oct 2015 #10

    I don't understand that either, but I'm glad to hear your didn't got the BSOD loop :)
      My ComputersSystem Spec

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