Windows 10: EMERGENCY - Boot Loop After Win Update

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  1.    1 Week Ago #1

    EMERGENCY - Boot Loop After Win Update


    Today I updated to latest major win 10 update. But just it finished updating the updayes made my PC go on a boot loop which never boots to the desktop. I tried mamually restarting but the PC keeps boot looping. What do I do???!!
      My ComputerSystem Spec


  2. Posts : 17,868
    windows 10 professional version 1607 build 14393.969 64 bit
       1 Week Ago #2

    Hi @yahanna ,

    1) Update the specs in the "My Computer" section:
    System Specs - Fill in at Ten Forums:
    System Specs - Fill in at Ten Forums | Windows 10 Tutorials
    In the left corner below in your post you find 'My System Specs'.
    After clicking it you can find a link a little below that says 'Update your System Spec', click on this link to get to the page where you can fill in your system specs.
    System Info - See Your System Specs - Windows 7 Help Forums


    Include PSU. cooler, case, peripherals and anything attached to the computer by wired or wireless (mouse, keyboard, headset, printer, xbox, port replicator, docking station, USB wireless network card, etc.)
    https://www.tenforums.com/profile.php?do=extra

    Disconnect ethernet or cat5e cable
    Use hardware wireless off if available.

    3) Find a flash drive that you an format ( > or = 8 GB )
    4) Create a bootable Windows 10 iso:
    Download Windows 10
    5) Insert the Windows 10 iso into any USB port
    6) Power on the computer and repetitively click the applicable keyboard key:
    List of PC brands with their corresponding hot-keys
    7) If it is a custom computer temporarily modify the BIOS boot order so that it boots to the external USB HD
    8) It may take 5 - 10 minutes for the iso to load while viewing the Microsoft Windows icon
    9) In the left lower corner click repair your computer (do not click install)
    10) Select language, time, currency, and keyboard, or click next
    11) Click troubleshoot
    12) Click system restore (start with the oldest restore point and repeat as necessary to the most recent restore point) (if system restore fails or if there are no restore points advance to the next step)
    13) Click startup repair (if startup repair fails advance to the next step)
    14) Click command prompt > Administrator: X:\Windows\System32\cmd.exe > X:\Sources>

    For all of the command prompt commands please use a camera or smart phone camera to take pictures and post images into the thread.

    Type all of these commands. Comments are in partenthesis.

    15) bcdedit /enum
    16) bcdedit | find " osdevice"
    17) C:
    18) dir
    19) D:
    20) dir
    21) diskpart
    22) list disk
    23) list volume
    24) select disk 0
    25) list partition
    26) select partition 1
    27) detail partition
    28) select partition 2
    29) detail partition
    30) select partition 3
    31) detail partition
    32) select partition 4
    33) detail partition
    34) (continue in the same fashion if there are additional partitions)
    35) select disk 1
    36) list partition
    37) exit
    38) dism /image:B:\ /cleanup-image /revertpendingactions
    (Change the letter B to the partition drive letter seen in step #16)
    (there is a space between \ / )
    39) sfc /scannow /offbootdir=B:\ /offwindir=B:\windows
    (Change the letters B to the partition drive letter seen in step #16)
    40) chkdsk /r B:
    (change the letter B to the partition drive letter seen in step #16)
    (if prompted to lock the drive and reboot type: Y)
    (This may take many hours and typically displays ETA)
    41) (There are additional steps if the computer fails to boot or remains in a boot loop)
    (Please make sure to use a camera or smart phone camera to take pictures and post images into the thread.)
    Last edited by zbook; 1 Week Ago at 01:28.
      My ComputerSystem Spec

  3.    1 Week Ago #3

    Hey....
    Here are the additional images you asked me for.

    I really need to get my desktop with all my files inract. I don't want to rest my PC at all.

    Please help me with this. I'm in school and I don't want to lose all my important files. Thanks man!
      My ComputerSystem Spec


  4. Posts : 17,868
    windows 10 professional version 1607 build 14393.969 64 bit
       1 Week Ago #4

    @yahanna,
    There were some typos.
    1) Open command prompt > Administrator: X:\Windows\System32\cmd.exe > X:\Sources>
    Please use a camera or smart phone camera to take pictures and post images into the thead.
    Type all of these commands. Comments are in parenthesis.
    2) bcdedit /enum
    3) bcdedit | find "osdevice"
    (for this command there is a space before and after | and after find )
    ("osdevice" has no spaces between the "and o and e and ")
    4) E:
    5) dir
    6) X:
    7) dism /image:E:\ /cleanup-image /revertpendingactions
    (there is a space between \ / )
    8)
    sfc /scannow /offbootdir=E:\ /offwindir=E:\windows
    9) chkdsk /r E:
    (This may take many hours and typically displays ETA)
    (If prompted to lock the drive type: Y)
    (Reboot as needed)
    There are more steps pending the results of the above steps.
    If the repair is successful make a brand new restore point and make a backup image using Macrium:
    https://www.macrium.com/reflectfree
      My ComputerSystem Spec

  5.    1 Week Ago #5

    I tried to type in the command in your 1st step but I get these errors. I don't get it. Look at the pic.
      My ComputerSystem Spec

  6.    1 Week Ago #6

    zbook said: View Post
    There are more steps pending the results of the above steps.
    If the repair is successful make a brand new restore point and make a backup image using Macrium
    Here are additional pics. I'm currently processing the last command you suggested. ETA is about an hour. I'll post that result when done. In the meanwhile here are my other pics you requested:
      My ComputerSystem Spec

  7.    1 Week Ago #7

    Here are results from the last command you suggested. It seems that my file system found no errors. Let me know what you think and additional steps needed.
      My ComputerSystem Spec


  • Posts : 17,868
    windows 10 professional version 1607 build 14393.969 64 bit
       1 Week Ago #8

    1) Click troubleshoot
    2) Click command prompt
    3) Clicking command prompt opens a black box with a white frame
    On the white frame it should display: Administrator: X:\Windows\System32\cmd.exe
    Within the black box it should display: X:Sources>
    4) Use a camera or smart phone camera to take pictures and post images into the thread for all of these steps. Comments will be in parenthesis.
    5) bcdedit /enum
    (there is a space after bcdedit and before /)
    (there is no space between / and enum)
    6) bcdedit | find "osdevice"
    (there is a space after bcdedit and before |)
    (there is a space after | and before find)
    (there is a space after find and before "osdevice")
    (there is no space between " and osdevice and no space between osdevice and ")
    7) E:
    8) dir
    (The results should display the contents of the E: folder)
    9) (The prompt should display: E:\>)
    cd \windows\system32\config
    (There is a space between cd and \)
    (There is no space between \and windows)
    (There is no space between windows and \)
    (There is no space between system32 and \)
    (There is no space between \ and config)
    10) (the prompt should display: E:\Windows\System32\config)
    dir
    (The results should display the contents of the config folder)
    (There should be names and numbers or sizes)
    11) (The prompt should display: E:\Windows\System32\config>)
    cd..
    (there is no space between cd..)
    12) The prompt should now display: E:\Windows\System32>)
    13) dism /image:E:\ /cleanup-image /revertpendingactions
    (There is a space between dism and /)
    (There is a space between \ and /)
    (There is a space between /cleanup-image and /)
    14) (It may display in the above result:
    The scratch directory size might be insufficient to perform this operation. This can cause unexpected behavior.
    Use the /ScratchDir option to point to a folder with sufficient scratch space. The recommended size is at least 1024 MB.

    Reverting pending actions from the image...
    The operation completed. Revert of pending actions will be attempted after the reboot.
    The operation completed successfully.)
    (The prompt should be: E:\Windows\System32>)
    15) sfc /scannow
    (There is a space between sfc and /)
    16) bootrec /fixmbr
    17) bootrec /fixboot
    18) bootrec /scanos
    19) bootrec /rebuildbcd
    20) (reboot)

    21) (there are additional steps pending the above results)
    (If the above reboot works then create a brand new restore point and make a backup image using Macrium)

    22) If the above is not successful there are other commands. As a backup plan boot rescue:
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums
      My ComputerSystem Spec

  •    1 Week Ago #9

    Hi,

    I did as you asked but it didn't fix the issue. Below are screenshots as you asked.

    Just to let you know, I got a VERY serious meeting with someone tomorrow morning and I need my PC for it. What do you suggest at given the info from my latest images? Time is ticking.

    Do you think I should reset my PC with the option to save my files?
      My ComputerSystem Spec


  • Posts : 17,868
    windows 10 professional version 1607 build 14393.969 64 bit
       1 Week Ago #10

    1) Please update the computer specs in the "My Computer" section:

    System Specs - Fill in at Ten Forums:
    System Specs - Fill in at Ten Forums | Windows 10 Tutorials
    In the left corner below in your post you find 'My System Specs'.
    After clicking it you can find a link a little below that says 'Update your System Spec', click on this link to get to the page where you can fill in your system specs.
    System Info - See Your System Specs - Windows 7 Help Forums


    Include PSU. cooler, case, peripherals and anything attached to the computer by wired or wireless (mouse, keyboard, headset, printer, xbox, port replicator, docking station, USB wireless network card, etc.)
    https://www.tenforums.com/profile.php?do=extra

    2) Plan to use a different computer as the troubleshooting will not be completed nor the drive fixed with the time constraints.

    3) Remove the drive > test the drive in another computer or using a hard drive enclosure.

    4) Run HD Tune:
    http://www.hdtune.com/
    Post images in the thread for results on these tabs:
    a) Health (SMART)
    b) Benchmark
    c) Full error scan

    5) Run Sea Tools for Windows:
    https://www.seagate.com/support/down...ls-win-master/
    How to use SeaTools for Windows | Seagate Support
      My ComputerSystem Spec


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