Windows 11 stop code: INACCESSIBLE_BOOT_DEVICE (0X7B)

Mohammad Hasham 25 Reputation points
2025-10-25T07:50:37.8033333+00:00

During the boot process of Windows 11 Professional Edition, the system displays a black screen with the error message: 'Your device ran into a problem and needs to restart. We'll restart for you.' The stop code shown is INACCESSIBLE_BOOT_DEVICE (0x7B)Stop code Inaccessible boot device

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  1. Harry Phan 34,445 Reputation points Independent Advisor
    2025-10-25T08:15:18.6466667+00:00

    Please follow these steps to troubleshoot:

    1. Check BIOS/UEFI SATA Mode: Restart your PC and enter its BIOS/UEFI setup (typically by pressing F2, Del, or Esc during boot). Find the SATA operation mode (often under "Advanced" or "Storage") and ensure it is set to AHCI. If it was recently changed to RAID or IDE, change it back to AHCI.
    2. Use Windows Startup Repair: You will need a Windows 11 installation USB. Boot from the USB, select "Repair your computer" > "Troubleshoot" > "Advanced options" > "Startup Repair." This tool can automatically fix certain boot issues.
    3. Perform a Clean Boot into Safe Mode: From the Windows Recovery Environment (booted from the installation USB), go to Troubleshoot > Advanced options > Startup Settings > Restart. After the restart, press the number key for "Enable Safe Mode" or "Enable Safe Mode with Networking." If you can boot into Safe Mode, the culprit is likely a recently installed driver or software.
    4. Run Boot Recorder Commands: In the Windows Recovery Environment, open Command Prompt from "Advanced options" and run these commands to repair the boot sector and Master Boot Record (MBR):

    text

    bootrec /fixmbr

    bootrec /fixboot

    bootrec /scanos

    bootrec /rebuildbcd

    The most likely solution is Step 1, verifying the SATA controller mode in your BIOS. I hope this guidance helps you resolve the boot error.

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  2. Harry Phan 34,445 Reputation points Independent Advisor
    2025-10-27T14:41:22.9866667+00:00

    Hello Mohammad Hasham

    How is it going? Did it fix your issue? I would love to hear back from you. Or maybe if you don't have time to walk me thru the progress, just hit the "Accept Answer" then I'll know you made it :)

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    6 people found this answer helpful.