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  1.    4 Days Ago #61
    Join Date : Apr 2017
    Posts : 12,143
    windows 10 professional version 1607 build 14393.969 64 bit

    There is a boot rescue method that requires a flash drive.

    This is the next trial and error method to fix the problem.
    This is the registry backup repair:



    Let's see if this is a possible fix.


    1) boot to the Windows 10 iso
    2) it may take 5 minutes displaying the windows icon
    3) Use the default settings for language, time, currency, and keyboard
    4) click next
    5) In the left lower corner click Repair your computer
    6) click troubleshooting
    7) click startup repair (it is expected to fail)
    8) click system restore (it is expected to fail)
    9) click command prompt
    You should see a pop up with title bar: Administrator: X:\windows\system32\cmd.exe
    This is the registry backup method:
    For each step you must see sizeable file sizes for this to work.
    If you see zeros the method will fail.
    The command: dir
    will be used each step to make sure you are in the proper location and check the size of the files
    10) type: C:
    11) dir
    12) type: D:
    13) dir
    Choose the C: or the D: drive to proceed. It should be the windows drive and not the USB drive.
    14) type: bcdedit | find "osdevice"
    This should display the location of the partition and in most cases is the location of the affected drive.
    For this post I will use C: however you should pick the drive letter that you found that has the windows files on your computer.
    The proper drive will display: perflogs, program files, program files (x86), users, windows, etc
    15) type or copy and paste: cd \windows\system32\config
    It should display: C:\windows\system32\config>
    16) type: dir
    It should display: bbi, bcd-template, components, default, drivers, elam, sam, security, software, system, vsmidk, journal, regback, systemprofile txr, etc.
    All of the file sizes should be sizeable. If it displays zeros then abort.
    Make a new directory and name it backup or something similar.
    17) type: MD backup
    Copy all of the files into this new directory.
    18) type or copy and paste: copy *.* backup
    It should now display: bbi, bcd-template, components, default, drivers, elam, sam, security, software, system, vsmidk indicating the files were copied.
    Change the directory to regback
    19) type: cd regback
    It should now display: c:\windows\system32\config\regback>
    20)type: dir
    It should display: default, sam, security, software, system etc
    All of these files must be sizeable. If it displays zeros then abort.
    21) type or copy and paste: copy *.* ..
    It should now display:
    DEFAULT
    Overwrite ..\default? (yes/no/all):
    22) type: a
    It should now display: sam, security, software, system and that the files were copied.
    23) type: exit
    24) click turn off your PC
    Remove the USB flash drive if you had changed your boot order. Otherwise you can leave it and power on your computer.
      My ComputerSystem Spec
  2.    4 Days Ago #62
    Join Date : Dec 2017
    Posts : 32
    Windows
    Thread Starter

    What's the purpose of the steps above, if I may ask?
      My ComputerSystem Spec
  3.    4 Days Ago #63
    Join Date : Apr 2017
    Posts : 12,143
    windows 10 professional version 1607 build 14393.969 64 bit

    The computer is in a boot loop which needs to be fixed.
    It is unclear where the problem lies or exactly how to fix it.
    These steps are trial and error.

    The method above is a backup for the registry.
    There are other steps that had failed: fixboot, fixmbr, rebuildbcd, etc. those may be tried again after the registry backup if it works.

    If you had another flash drive you could try boot rescue.


    This is a video of the registry repair:
    How to Fix Windows 10 Startup Problem - YouTube
      My ComputerSystem Spec

 
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