Windows 10: Windows won't boot without its install drive (once done)!

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  1.    26 Dec 2017 #21

    I was wrong when i said it's MBR : both disk are actually GPT.. I did the install dozen times, same story.
      My ComputerSystem Spec

  2.    26 Dec 2017 #22

    Not related to current issue : how do you add entries to the EFI "Windows Boot Manager"? Is EasyBCD supposed to be ok with this? I guess it won't be ok with MBR? Not possible to have a menu from which you can boot both your EFI & MBR windows, no matter which disk they're on?
      My ComputerSystem Spec

  3.    26 Dec 2017 #23

    unko said: View Post
    Not related to current issue : how do you add entries to the EFI "Windows Boot Manager"? Is EasyBCD supposed to be ok with this? I guess it won't be ok with MBR? Not possible to have a menu from which you can boot both your EFI & MBR windows, no matter which disk they're on?
    Let's say your second OS partition gets drive letter F: when booted into the first OS. Open a Command Prompt (Admin) and run:

    bcdboot F:\Windows /d /addlast

    Change the letter F: to match whatever drive letter the second Windows OS gets assigned.
      My ComputerSystem Spec

  4.    27 Dec 2017 #24

    I wish you posted it earlier. That worked! What a relief.. We won't know why this all happened though.. So this command is the key. No app such as easyBCD to do this on UEFI yet?
      My ComputerSystem Spec

  5.    27 Dec 2017 #25

    unko said: View Post
    I wish you posted it earlier. That worked! What a relief.. We won't know why this all happened though.. So this command is the key. No app such as easyBCD to do this on UEFI yet?
    UEFI Boot Manager, Windows To Go Creator, Free Data Recovery, Windows Deployment Tool
      My ComputerSystem Spec


 
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