How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro

  1. Posts : 2
    Windows 10

    How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro

    Hi there,

    OS: Windows 10 professional
    Hardware: I don't know
    How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro-image.png

    I am sitting here at work early on a Sunday morning in desperation to fix my colleague's computer which I got to the state of receiving the above error. Below I have detailed how I got into this problem yesterday (24 March) and what I have tried to fix it myself before taxing this forum. Please, any suggestions on what to do next would be HUGELY appreciated.

    1. My colleague never reboots his computer - I don't even know if it has been rebooted this year before I rebooted it yesterday (24 March)
    2. I was on his machine and iTunes kept on saying it needed to be updated. So I did this for him. iTunes asked me if I wanted to restart, I said "not now"
    3. Then in Excel I saw there was a message saying "Office needs to be updated". So I clicked to update. I was then asked to restart - I said yes. And the PC restarted.
    4. I then got the big blue screen and have not been able to get passed it since


    • Safe Mode (via Advanced Options F5 / F4): after rebooting I was back at the blue screen
    • System Restore: I tried all 3 restore points, each time the PC said it had been successful. Each time I returned to the blue screen after restarting
      How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro-02_systemrestore.jpg

    INSTALLED PACKAGES: "Dism /Image:C:\ /Get-Packages"
    I found a forum said I need to get a list of packages using the above command. Then I need to uninstall the "problematic" package. Again, since I don't know when last my colleague rebooted his computer (for sure it was over there Christmas though) and since no package says "24 March" which was when I rebooted his computer and got this blue screen problem - I am not actually sure which package could have done this. I have boxed those which were this year.

    From this thread Viperiii says he had to uninstall:
    I do indeed have all 3 of these packages but I see that they are "superseded"... which to me would mean that they are no longer in effect. Although I'm not sure.

    How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro-04_packages.jpg

    1. Must I uninstall each package one by one and then restart to see if it fixes things, starting with the newest package? (so in order of 1,2,3,4,5,6,7 as shown in the package screenshot above)?
    2. Is there anything else I should try rather?

    Awaiting a helpful reply with a frowny sad frown =(
      My Computer

  2. Posts : 18,456
    Windows 11 Pro

    If you can get into safe mode, go into device manager and uninstall any hardware listed under IDE ATA/ATAPI controllers. When you uninstall the controller, check the box for delete the driver software for this device. Then try to reboot into normal mode.

    How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro-capture.jpg

    How to fix INACCESSIBLE_BOOT_DEVICE - Windows 10 Pro-capture1.jpg
      My Computer

  3. Posts : 2
    Windows 10
    Thread Starter

    Thanks - but as mentioned above I cannot reboot in safemode - I keep getting back to the blue screen.
      My Computer

  4. Posts : 18,456
    Windows 11 Pro

    Misread what you had stated about safe mode.

    I would create a bootable USB flash drive of Kyhi's Recovery Tools drive:
    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    Boot the computer from it, run Macrium Reflect, under the restore menu is a utility to Fix Windows boot problems. Run that utility.
      My Computer


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