Windows 10: INACCESSIBLE BOOT DEVICE on startup Solved

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  1.    4 Weeks Ago #11

    Kbird said: View Post
    When I have seen this message before , it was a Bios Post message not a BSOD and it was because an Update had screwed up the Order of the Boot Devices in the Bios and it was trying to boot off D:\ instead of C:\ when I went into the Bios to check the Boot Order, so I set the 1st device back to Windows Boot Manager and all was Well.

    I can confirm that as well. I've paused the updates for now until February or something and all is well now. So I guess problem solved. Thank you all for help!
      My ComputerSystem Spec

  2.    4 Weeks Ago #12

    Stop that

    zablablukas said: View Post
    Hello! I've just tried turning on my PC and it shows me a BSOD saying INACCESSIBLE BOOT DEVICE. Yesterday everything was fine. I turned it off normally like always. I haven't updated any drivers either and there are no external drives or USBs connected. I liked for some solutions but none worked. I tried booting into safe mode (got the same error), I checked if my SATA options werr on AHCI (which they were). What do I do? I don't want to lose all my data!
    If you did not format anything yet, try this solution:

    Inaccessible Boot Device nach Update bei Windows 10 - die IT werkstatt Kiel

    If you dont understand german and google translator wont help you:

    you have to recover the registry backup from /windows/system32/config/regback to /windows/system32/config and rename the reg files. Before that, do a backup at least from /winsows/system32/config
      My ComputerSystem Spec

  3. Posts : 14,236
    windows 10 professional version 1607 build 14393.969 64 bit
       4 Weeks Ago #13

    When the computer is powered on now what do you see and hear?

    Use the windows 10 iso > windows advanced troubleshooting menu > command prompt
    Use a camera or smart phone camera to take pictures and post images into the thread:
    1) diskpart
    2) list disk
    3) select disk 0
    4) list partition
    5) exit
    6) c: dir
    7) d: dir
      My ComputerSystem Spec

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