Stuck in boot loop after 1809 upgrade on Lenovo Y700 laptop

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  1. Posts : 4
    Windows 10 1809
       #1

    Stuck in boot loop after 1809 upgrade on Lenovo Y700 laptop


    Hi all,

    After upgrading to 1809 from 1803 my laptop is stuck in boot loop. The boot sequence is now - Lenovo logo, blank screen, Lenovo logo (different resolution), blank screen, reboot.

    Here's what I tried -

    Windows 10 repair (created now from the new 1809 media tool):
    • System restore - no restore points have been created.
    • Startup Repair - did not work ("couldn't repair your PC"). Log file contains "Failure while setup is in progress".
    • Uninstall updates - unable to uninstall feature update ("we ran into a problem"). Was able to uninstall quality update 3 times but I'm not sure it's doing anything (still not booting).
    • chkdsk /r C: found no bad sectors.
    • sfc /scannow /offbootdir /offwindir found some bad data, but looking at the log it looks like these are just temporary files.
    • bootrec /fixmbr works but bootrec /fixboot prints "Access is denied" (I mounted the EFI partition and ran bcdboot but still got the same error).


    Kyhiís Rescue Disk:
    • I see my data on the C / system partition, so it doesn't look like the whole disk is corrupted.
    • I tried to enable safe mode by modifying the boot loader with EasyBCD to wait for my input on boot, but when I press F8 and choose safe mode the computer just reboots again.


    Any suggestions on what else I can try before doing a clean install?

    Log files: Attachment 222412
      My Computer

  2. Caledon Ken's Avatar
    Posts : 25,590
    Windows 10 Pro x64 Version 21H1
       #2

    Hi Shawna

    First thing I would do before I went any further is use Kyhi's recovery disk to safely copy all your data off machine. That would be my first task.

    When you say you tried to uninstall updates were you using the advance startup options .... restore to previous build??

    Stuck in boot loop after 1809 upgrade on Lenovo Y700 laptop-image.png

    Since you have Kyhi's recovery disk you could start Macrium and try its fix for boot.

    https://knowledgebase.macrium.com/di...+boot+problems

    Two processes, one for legacy and one for UEFI.

    I would also strongly recommend you download and start using a tool like Macrium Reflect. A reliable restore is worth its weight in gold.

    Backup and Restore with Macrium Reflect

    I've seen threads where you use Macrium to copy off existing c:, clean install and then restore your old c: over the clean installed c: .

    Not sure at what point your update broke down so this method may be a goose chase if your windows is corrupt.
      My Computer


  3. Posts : 4
    Windows 10 1809
    Thread Starter
       #3

    Hi Caledon Ken,
    Thanks a lot for the response.

    Caledon Ken said:
    First thing I would do before I went any further is use Kyhi's recovery disk to safely copy all your data off machine. That would be my first task.
    Done.

    Caledon Ken said:
    When you say you tried to uninstall updates were you using the advance startup options .... restore to previous build??
    Yes, although the most recent version looks a little bit different. In the Windows 10 installation media there is an option to uninstall recent quality and feature updates (two options). In the Windows 10 recovery media there is an option to restore to previous build. Tried all that with no success.

    Caledon Ken said:
    Since you have Kyhi's recovery disk you could start Macrium and try its fix for boot.
    Forgot to mention I tried that (same problem after restart).

    Caledon Ken said:
    I've seen threads where you use Macrium to copy off existing c:, clean install and then restore your old c: over the clean installed c: .
    Could you please elaborate on that? What parts of C: can I copy and later restore over the clean system? For example, I assume any software I had installed cannot be restored this way (but it would be great if it does work).

    Caledon Ken said:
    Not sure at what point your update broke down so this method may be a goose chase if your windows is corrupt.
    I did see the update at 91%, so around that point or later.
      My Computer


  4. Posts : 38,936
    windows 10 professional version 1607 build 14393.969 64 bit
       #4

    The sfc log displayed:
    Code:
    000105f8 [SR] Could not reproject corrupted file \??\C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\\OneDrive.lnk; source file in store is also corrupted
    000105f9@2019/1/28:21:41:44.065 Primitive installers committed for repair
    The DISM log displayed:
    Code:
    2019-01-28 13:06:42, Info                  CBS    Failed to find a matching version for servicing stack: C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.17134.464_none_eaf315ac1d6e512f\ [HRESULT = 0x80070490 - ERROR_NOT_FOUND]
    2019-01-28 13:06:42, Info                  CBS    Failed to find servicing stack directory in online store. [HRESULT = 0x80070490 - ERROR_NOT_FOUND]


    The srttrail displayed:

    Code:
    Root cause found: 
    ---------------------------
    Failure while setup is in progress.
    Find a camera or smartphone camera and take pictures to post images of the commands and the results into the thread.
    Open command prompt > title bar: Administrator: X:\Windows\system32\cmd.exe > prompt: X:\sources>
    Type these commands. (Comments will be in parenthesis)

    Code:
    bcdedit /enum
    bcdedit | find "osdevice"
    diskpart
    list disk
    list volume
    select disk 0
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select partition 5
    detail partition
    select disk 1
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select partition 5
    detail partition
    select disk 2
    detail disk
    list partition
    select partition 1
    detail partition
    select partition 2
    detail partition
    select partition 3
    detail partition
    select partition 4
    detail partition
    select partition 5
    detail partition
    exit
    C:
    dir
    D:
    dir
    E:
    dir
    F:
    dir
    G:
    dir



    Using kyhi boot rescue:
    a) Open disk management > post an image into the thread
    (before posting the image please make sure to widen two columns: Status and Volume
    (for the Status column view each row and make sure in each row that the contents of the parenthesis are in full view and that none of the letters are cut off)
    Disk Management - How to Post a Screenshot of | Tutorials

    b) Open device manager > click view > click show hidden devices > manually expand all rows > look for any row displaying a yellow triangle with black exclamation mark or unknown device

    c) Run the DM and BETA log collectors and post zips into this thread:
    BSOD - Posting Instructions - Windows 10 Forums

    Once you have all files backed up you can perform a clean install.
    Alternatively you can troubleshoot.
    For example you could build a new boot sector and see if there is any improvement.
      My Computer

  5. Caledon Ken's Avatar
    Posts : 25,590
    Windows 10 Pro x64 Version 21H1
       #5

    Once you've worked through zbook's idea.

    Basically you copy all the partitions on the existing disk. One is your c: partition where windows and likely your data lives. You clean install. The clean install will create a c:. You restore, using macrium, your old c: onto the new C:

    Really doubt this will work as the update was not complete so there is likely corruption.
      My Computer


  6. Posts : 4
    Windows 10 1809
    Thread Starter
       #6

    Thanks again for the responses.

    I am attaching the bcdedit and diskpart logs along with the screenshots: Logs2.zip.

    There are two hard drives, the first one is the M.2 SSD that came with the laptop. The 48 GB partition on the second drive is an unused Linux partition.
      My Computer


  7. Caledon Ken's Avatar
    Posts : 25,590
    Windows 10 Pro x64 Version 21H1
       #7

    Interesting. From disk management shot apart from C: and D: all other partitions are empty, including your EFI partition.

    Stuck in boot loop after 1809 upgrade on Lenovo Y700 laptop-image.png

    You could likely follow these instruction to populate your already created EFI partition.

    Problem switching to GPT
      My Computer


  8. Posts : 38,936
    windows 10 professional version 1607 build 14393.969 64 bit
       #8

    When available please post the zip for the log collectors:

    BSOD - Posting Instructions - Windows 10 Forums

    As Ken posted there were problems seen with the partitions.

    These were the problems seen with drivers:

    Stuck in boot loop after 1809 upgrade on Lenovo Y700 laptop-device-manager-unknown-devices.png


    Using Kyhi boot rescue: run the Lenovo diagnostics > post an image of the results into the thread:
    laptops and netbooks :: ideapad y series laptops :: y700 17isk Lenovo PC Support - US
    Last edited by zbook; 28 Jan 2019 at 12:01.
      My Computer

  9. Caledon Ken's Avatar
    Posts : 25,590
    Windows 10 Pro x64 Version 21H1
       #9

    A lot of those driver issues are likely because he booted off Kyhi's recovery disk.
      My Computer

  10. Ztruker's Avatar
    Posts : 13,697
    Windows 10 Pro X64 21H1 19043.1110
       #10

    Caledon Ken said:
    A lot of those driver issues are likely because he booted off Kyhi's recovery disk.
    ????? Don't understand. Can you explain?
      My Computers


 
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