Unexpected I/O error has occurred - File:\Boot\BCD


  1. tech291083
    Posts : 61
    Windows 10
       New #1

    Unexpected I/O error has occurred - File:\Boot\BCD


    Hi Friends,

    My Windows 10 (Home Basic 64 bit) PC is not booting at all constantly rebooting itself without any manual intervention. I am stuck on this error screen, which says the following

    Recovery

    there was a problem with a device connected to your PC

    Unexpected I/O error has occurred.

    File:\Boot\BCD

    Error code: 0xc00000e9

    This problem can happen when a removable storage device is removed while it is in use or is falling. Properly connecting any removable storage and restarting your PC may fix this problem.
    What should I do now?

    Thanks a lot.
      My Computer
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  3. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #2

    I would make a USB flash drive or CD/DVD of Kyhi's Recovery drive. Boot the computer from that. Run Macrium Reflect. Under the restore menu is a utility to fix Windows startup/boot problems. That will rebuild the BCD.

    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums
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  4. tech291083
    Posts : 61
    Windows 10
    Thread Starter
       New #3

    NavyLCDR said:
    I would make a USB flash drive or CD/DVD of Kyhi's Recovery drive. Boot the computer from that. Run Macrium Reflect. Under the restore menu is a utility to fix Windows startup/boot problems. That will rebuild the BCD.

    Windows 10 Recovery Tools - Bootable Rescue Disk - Windows 10 Forums

    Hi,

    As per your guidance, I downloaded the - Windows 10 Recovery Tools - Bootable PE Rescue Disk, 64 bit iso as my Windows 10 is 64 bit, wrote to a DVD and run the PC from DVD. I ran Macrium Reflect > Under the restore menu >fix Windows startup/boot problems. First time I only chose the last boot code option ie - Rebuild the Boot Configuration Database (BCD)abd BOOT.INI files (WinPESE64Bit 11.jpg) and then restarted the PC, but another error came up, which read - Windows could not start because the following file is missing or corrupt: <Windows root>\system32\hal.dll. Please re-install a copy of the above file."

    The I again booted my PC from that Bootable PE Rescue Disk and ran Macrium Reflect > Under the restore menu >fix Windows startup/boot problems, but this time I selected all the 4 boot codes options (WinPESE64Bit 13.jpg).

    But the error still came up after rebooting the PC. Now, I am not able to boot my PC at all. What to do?

    I have my screen-shots at the below URL for your reference, thanks.

    http://imgur.com/a/4fJGN/all

    Thanks.
      My Computer
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