Windows 10: Inaccessible Boot Drive after Update? Solved

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  1.    18 Jan 2018 #21

    Looks like System Reserved partition has not been assigned a drive letter. The Volume 3 partition should contain BCD data store file we will assign a drive letter and check to see if BCD data store file exist if it does we will rebuild it.


    From Command Prompt type below commands:


    Code:
    Select Volume 3 
    
    assign letter=w
    
    Exit
    
    Dir /A  /B  w:\boot\bcd

    Please post a screenshot of above commands outputs.
      My ComputerSystem Spec

  2.    18 Jan 2018 #22
      My ComputerSystem Spec

  3.    18 Jan 2018 #23

    You have not executed two of the Diskpart commands please execute below commands one at time:


    Code:
    Diskpart 
    
    List Volume
    
    Select Volume 3 
    
    Assign letter=w
    
    Exit
    
    Dir  /A  /B  W:\Boot\Bcd


    Please post a screenshot of above commands outputs.
      My ComputerSystem Spec

  4.    18 Jan 2018 #24

    In the screen shot you can see that the letter W has been assigned. Thank you!
      My ComputerSystem Spec

  5.    18 Jan 2018 #25

    what were the outputs of the commands from Inaccessible Boot Drive after Update? - Page 2 - Windows 10 Forums

    it looks like C: is the correct drive for your system - however a dir output would also help to verify...
    it looks like your bootable drive. the 100mb reserve now assigned W is a normal reservation.

    I'm thinking you got same errors on fixboot = denied and rebuildmbr - failed with 0 installs found...
      My ComputerSystem Spec

  6.    18 Jan 2018 #26

    Oh my bad i did not notice that can you execute below command and restart your computer.


    Code:
    bcdboot C:\Windows /s w: /f ALL
      My ComputerSystem Spec

  7.    18 Jan 2018 #27

    Windows found on C, but Y enter gives error.
      My ComputerSystem Spec

  •    18 Jan 2018 #28
      My ComputerSystem Spec

  •    18 Jan 2018 #29

    Have you restarted your computer if Windows does not boot we will continue with troubleshooting steps.
      My ComputerSystem Spec

  •    18 Jan 2018 #30

    AMAZING! Thank you so much my friends!
      My ComputerSystem Spec


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