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If you receive errors INACCESSIBLE_BOOT_DEVICE after upgrading to Windows 10, or after using Reset in Windows 10, this message suggests a way to resolve the problem.
The INACCESSIBLE_BOOT_DEVICE error check usually indicates that the Windows operating system lost access to the system partition on boot. In this case, the system usually stops after a blue screen or stop error is displayed to protect against probable data damage or loss.
INACCESSIBLE DEVICE BOAT
Here are some suggestions you can try to solve the problem. See what applies in your case:
1] If you think a boot device is defective, you may need to change the boot options.
2] Delete newly added material.
3] Check that the firmware version of the hard disk is not compatible with Windows 10. If this is not the case, you may need to upgrade to the latest firmware version. Check if you need to update the BIOS.
4] If you have recently added a driver, restart your computer, open the Advanced Boot Options menu and select option Last known good configuration. You can start Windows 10 in safe mode and try to restore the system or go back.
5] If you think the cause might be disk corruption, run Chkdsk /f /r on the system partition. If you cannot boot under Windows, use the recovery console and run Chkdsk /r or Chkdsk from the repair console.
6] If you just updated to Windows 10 and you see this error, download the media creation tool and use it with another computer and save it to a USB device. Use it to perform a clean installation by clicking on the installation file or booting from the USB port. When asked for a product key, click Skip this step. Windows 10 activates automatically when you log in with your Microsoft account.
7] If nothing works, you may need to reinstall your old operating system, Windows 8.1 or Windows 7, enable it, upgrade to Windows 10, enable it, then clean Windows 10 with ISO.
8] This entry will help you if you get 0x7B INACCESSIBLE_BOOT_BOOT_DEVICE Blue Screen after Windows updates.
Let us know if this has helped you or if you have any other suggestions. This article provides additional tips for Blue Screen of Death troubleshooting under Windows 10
See this article if you receive an unexpected I/O error, error message 0xc00000e9 on Windows.
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