The Inaccessible Boot Device is an annoying error or stops code that appears as a reference when you have a Blue Screen problem on Windows 10. This problem usually occurs when you start the system. Windows was unable to detect and decrypt data appearing from boot components and passed to BSOD, including error message. Sometimes this mess comes out because of bugs in Microsoft updates. But don’t worry, an easy solution is available to fix the Inaccess_Boot_Device problem.

Inaccessible Boot Device in Windows 10 Solutions

Method 1: Remove the Troubling Update files

Microsoft keeps releasing updates for Windows 10 to make it more efficient and safe, and free from bugs, but it’s so tough. Start device cannot access Blue Screen of Death Error in Windows 10 is a new error found in the latest update. The reason behind this is the cumulative release and update of Delta for Windows Server Update Service and System Center Configuration Manager. An error occurs when they try to install both updates at the same time.

A new bug is always difficult to resolve; however, Microsoft has a publishing fix. Their TechNet website has some other instructions for fixing boot device inaccessible issues in the Fall 10 Update and Windows 10 Anniversary Update. The solution is pretty easy to do. Please pay attention to the following resolution processes we will discuss to fix this embarrassing error.

Follow Way to Remove Update files culprit

Step 1: First, please boot your computer from “USB Flash Drive”.

Note – If you have difficulty booting via USB boot media, you should try changing BIOS settings first so you can boot directly from USB. BIOS settings are accessible by turning on the PC and pressing any function key. We recommend that you follow the manufacturer’s assistance to avoid further errors.

Step-2: Click Next, and it will take you to a new window. Here, you need to click on the link titled Repair your computer located in the bottom right corner of the page.

Step-3: Proceed first, click the Troubleshoot option in the advanced boot console.

Step 4: Click on Command Prompt from the various options on the following screen.

Step-5: The next task is to delete the Registry key SessionPending. To do so, type the command string for the cursor to blink and press Enter after each operation.

reg load HKLM temp c: windows system32 config software


reg delete “HKLM temp Microsoft Windows CurrentVersion Component Based Servicing SessionsPending” / v Exclusive


reg unload HKLM temp

Step 6: After deleting Registry Keys, you need to pull the installed packages by entering this specific command. Press the Enter key from the keyboard to initiate the action.

dism / image: C: / get-packages

Step-7: In the Package List, look for the item labeled Installed Waiting as they are the ones causing the problem. Therefore, you must create a temporary directory to migrate all sick updates, and to do so. Type the command below and press Enter:

MKDIR C: temp packages

Step 8: Finally, type the given Command command and run it by pressing Enter to remove the troublesome updates.

dism / image: c: / remove-package / packagename: PACKAGE-IDENTITY-NAME / scratchdir: c: temp packages

After the update has been successfully deleted, Restart the computer, and the error will no longer appear on the screen. The computer should start up usually.

Method 2: Perform an SFC scan to check the file system

Windows 10 has the default System File Checker to resolve the Inaccessible Boot Device error. This repairs corrupted system files as well as restores corrupted files. The steps are as follows:

Step 1: Type cmd in the search box located in the taskbar. While Command Prompt appears at the top of the search results, right-click from the mouse and select Run as Administrator.

Step 2: On the black panel, type the following command at the blinking cursor and press the Enter key.

Sfc / scannow

Step 3: The system will start checking for corrupted and corrupted files. According to the scan results, the Operating System will repair the files. But if you were confronted with ‘ Windows Resource Protection found corrupt files but could not fix some of them. As a scan result, you need to log into your computer in “Safe Mode”. Follow the above procedure to run the same command to repair the corrupted system files.

Method 3: Check the hard disk for errors

Faulty hard drives often cause “Blue Screen 0x0000007b” or otherwise device boot failure occurs. If you can log into the computer, follow the instructions below to resolve the error:

Step 1: Go to the Cortana search box next to the Start menu and start typing cmd. When Command Prompt appears at the top, hold down the Ctrl and Shift keys while pressing them to press the Enter key to access the elevated Command Prompt.

Step-2: At the UAC prompt, click Yes to continue.

Step 3: Type or copy/paste the chkdsk / f command in the command prompt, then press the Enter key.

Step 4: Windows will prompt you to restart your computer before starting the scan. Type Y into Command Prompt and press the Enter key.

Step 5: Windows will automatically check for corrupted files after a reboot and repair based on the scan results. Therefore, the error will no longer appear on your computer.

Method 4: Enable AHCI mode in BIOS

Modern computers today have the BIOS to initialize and check the system’s hardware components. It also loads a boot loader that replaces the operating system from a memory device. However, enabling Advanced Host Controller Interface (AHCI) mode in the BIOS may also resolve the error. You need to perform the steps below to do the following:

Step 1: Enter BIOS by pressing the F2 or Delete function key while the computer boots.

Step 2: After entering the BIOS, go to the Advanced section. Now turn on the option Set AHCI Mode to Enabled.

Note – As an optional option, you can toggle Set AHCI Mode to Auto.

Step 3: Click the Save button and restart the computer.

Note that we have provided a general solution for entering the BIOS, and it can vary in different models. We recommend that you follow the instructions on the motherboard to avoid any inconvenience. This will probably resolve your error. If not, follow the next solutions.

Method 5: Update Driver

Drivers are programs that allow the Windows 10 operating system to use the hardware effectively. This is a necessity to keep them up to date. An outdated Driver in the same incompatible way can cause various errors, including the “Inaccessible Boot Device BSOD” error on your computer.

Updating the Driver is too easy. You need to visit the manufacturer’s website and download it later after satisfying the configuration and model requirements. Many users report that they have gone through dreadful days with this error for IDE ATA / SATA controller. They also confirmed that, after updating the driver, the error was finally successfully resolved.