Hardware⏱️ 2 min read📅 2026-05-29

How to Fix 0xc000001 Error – INACCESSIBLE_BOOT_DEVICE error code 0xc000001 Recovery

INACCESSIBLE_BOOT_DEVICE error code 0xc000001 occurs when booting Windows 8.1 from a USB 3.2 drive.

Quick Answer: Try using a different USB port or a different USB 3.2 drive to rule out issues with the hardware.

To resolve the INACCESSIBLE_BOOT_DEVICE error code 0xc000001 on Windows 8.1, it is essential to first ensure that the USB 3.2 drivers are properly installed and configured.

✅ Best Solutions to Fix It

Method 1: Update USB Drivers using Device Manager

  1. Step 1: Press the Windows key + X and select Device Manager.
  2. Step 2: In the Device Manager, expand the 'Universal Serial Bus controllers' section and look for your USB 3.0 or 3.2 device.
  3. Step 3: Right-click on the device and select 'Update driver'.
  4. Step 4: Follow the prompts to search for and install any available updates.

Method 2: Use Rufus to Create a Bootable USB Drive

  1. Step 1: Download and install the latest version of Rufus.
  2. Step 2: Insert your USB 3.2 drive into a working computer and open Rufus.
  3. Step 3: Select the USB drive as the target device and choose the Windows 8.1 installation media from the 'Boot Selection' tab.
  4. Step 4: Click on the 'Start' button to create a bootable USB drive.

💡 Conclusion

By following these methods, you should be able to resolve the INACCESSIBLE_BOOT_DEVICE error code 0xc000001 and successfully boot your Windows 8.1 installation from the USB drive.

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