We often face different types of errors while using a Windows device. ‘Inaccessible boot device error’ is one of the common errors which we often experience. We see this error very frequently when we startup a Windows or during Windows upgrade, Windows update, or Windows reset.
Inaccessible boot device error is a BSOD error (code – 0x0000007b). The Computer doesn’t perform booting correctly when this error occurs. It tells you that there is some problem with your PC and must restart to resolve the issue. Here are some methods to fix the Inaccessible boot device error in Windows 10.
What is an Inaccessible Boot device error?
Whenever there is a new update available, Windows does it automatically. But sometimes, this auto-update can lead to some issues. When Windows reboots itself to install new updates, an error message with the code 0x0000007b will appear on the screen due to the problems introduced by the auto-update.
It is a ‘Blue screen of death error.’ What actually happens when you face this problem is that the system partition is not accessible to Windows while it is trying to restart. And your Computer attempts to restart again and again and fails.
Why does Inaccessible Boot Device error occur?
If we understand why a problem happens, then it’s easy to find and apply the solutions. Here are a few reasons for the Inaccessible boot device error.
- The drivers of the Computer are corrupted, outdated, or configured incorrectly.
- The conflict between the Hardware and the changes that update bringing to software
- Hard Disk isn’t functioning properly.
- Malware or Virus
All these issues, along with the inaccessible boot device error, cause many other problems in the functioning of the Computer resulting in low performance and system malfunctioning. So it is essential to fix these issues as early as possible.
Solutions to fix Inaccessible Boot Device Error In Windows 10
These are some solutions that you can use to fix the Inaccessible Boot device error in Windows 10. Try any of these solutions that are suitable for you, and you must be able to resolve the problem you are facing.
Uninstall newly Installed packages
When Windows 10 automatically updates itself, some new packages will be installed on your PC without your notice. These packages might be the reason for the error. So consider uninstalling the recently installed packages by Windows 10.
When you uninstall new updates, you will get rid of the problematic package and thus solve the problem. You have to uninstall packages using the DSM command because you can’t reboot the device normally during this error.
Step 1: Your PC must be off. Press the ‘Power‘ button and wait for it to turn on.
Step 2: Now press and hold the ‘Power‘ button again until it shuts down. Do this two-three times until you see ‘Preparing automatic repair‘ on the screen. Here, Windows tries to fix the issues by itself.
Step 3: Once the Windows diagnosis is finished, select ‘Advanced options.’ Now ‘Windows Recovery Environment‘ appears on the screen.
Step 4: Click on the ‘Troubleshoot‘ option.
Step 5: Select the ‘Advanced options‘ and choose ‘Command prompt‘ on the screen that comes up.
Now the PC will restart, and you can see Command Prompt on the screen. You need to follow the instructions given here.
- Type the following lines and hit enter after each command
You will now see several packages installed on your PC, using the date field, locating the recently installed packages, and making a note of the package names.
- Type the following command and tap on ‘Enter‘ to uninstall the package.
dism.exe/image:c:\ /remove-package/[package name]
Step 6: Now, reboot your PC and check whether the error is resolved or not. If it still exists, uninstall all the recent packages one by one until the error is fixed. You can also try other solutions given below.
Remove Update pending packages.
Follow the step by step procedure given below.
Step 1: Navigate to Settings > Update and Security > Recovery > Advanced Startup > Restart now.
Step 2: PC will take a few minutes, and then you have to select Troubleshoot > Advanced Options > Command Prompt
(This is similar to the steps given above.)
In the command prompt, type the following commands and press ‘Enter‘ after each line.
reg load HKLM\temp c:\windows\system32\config\software
reg delete HKLM\temp\Microsoft\Current Version\Component Based Server
reg unload HKLM\temp
After this, you will get a list of recent updates. Make a note of the package names whose update installation is pending. Now, on the command prompt, type and press Enter after each line.
mkidir c:\temp\packages dism/image:c:\/remove-package/packagename:name_of_package]/scratchdir:c:\temp\packages
Repeat the last command by replacing [name_of_package with pending package names you noted until all the pending updates are removed. This should delete all the pending packages installed and help fix the inaccessible boot device error.
Updating the drivers
Windows make use of drivers to access Hardware correctly. Outdated or non-compatible drivers with Windows 10 can cause inaccessible to boot device error.
If the problem is because of drivers, visit the official website of the Hardware Manufacturer and download and install the latest version of the driver.
You can also use Driver Updating Softwares, which automatically helps to find the right driver for your system. You can also scan and see if there are any other driver problems and fix them once for all.
Enable the AHCI Mode value in BIOS
This process can be different for different computer manufacturers. However, in general, you have to enter the BIOS while you are booting the device by pressing ‘Delete,’ ‘Escape,’ or ‘Function‘ keys. Select the ‘Advanced Options‘ and click on ‘Set AHCI mode.’ Change the AHCI mode value to ‘Enabled.’ This might fix the inaccessible boot device error. You can check the Motherboard manual for specific instructions to enable AHCI for your PC.
Fix the corrupted Hard Drive files
If the reason for the inaccessible boot device error is a corrupted hard drive, you can fix it using Command Prompt. Press ‘Windows’ + X key on the keyboard and select ‘Command Prompt(Admin).’ On the command prompt screen, type chkdsk /f /r and press ‘Enter.’ When the system asks you to continue, type Y and press ‘Enter.’ The system restarts and boots itself. Check if the error is resolved once the Computer is on.
Scan for the Malware
Any virus in the PC can cause an inaccessible boot device error. So use standard Antivirus or Anti Malware software to keep your Computer safe and secure. Scan for the malware in your device and delete the problematic files. If the error occurred due to the malware, then it will be resolved.
These were some of the methods to fix the inaccessible boot device error in Windows 10. I’m sure that any one of these methods will help you solve the problem you are facing. Suppose none of these tricks works for you to take professional help without delay. Thank you for reading, and please visit our website for similar articles.