Top 7 Solutions to Unmountable Boot Volume Windows 10

The unmountable boot volume error is a headache, also to get a Windows 10 stop code error. You can’t troubleshoot it like you would most other issues. It usually prevents you from loading into Windows.

Your computer may fail to read the HDD or SSD partition that houses Windows 10. the “Unmountable Boot Volume” stop code appears. It’s another of the many BSOD (Blue-Screen of Death) issues you’ll encounter while using a computer.

With the appropriate approaches, this problem can be fixed. I will teach you how to get back into your PC and fix the “unmountable boot volume” error.

What is the “Unmountable boot volume” error?

unmountable boot volume windows 10

The Blue Screen of Death displays the error “Unmountable boot volume” (BSOD). These kinds of mistakes are notorious for being unexpected and terrible. They’re difficult to diagnose and can occur at any time.

When Windows 10 first starts up, it displays an early Blue Screen of Death. It’s bad enough to lose your files in a computer disaster. Being unable to access your system is even worse. The “Unmountable boot volume” error does this. 

It is frequently caused by a faulty file system or Windows files. It’s common to notice it after installing a significant Windows update. While an incorrectly set BIOS can cause this error, it’s rarely the case unless you’ve modified the BIOS yourself.

Although the new blue screen in Windows 10 has a friendlier aesthetic, it nevertheless produces the same problems.

Causes of “Unmountable boot volume” error?

Many of Windows 10’s problems can be traced back to several sources. This one isn’t an outlier. I need to investigate all of the potential causes that are known at the time of writing.

Users may be unable to access the Windows operating system or boot their PC. Many customers are confronted with this issue. They will typically be notified that “Your PC has encountered a problem and needs to restart.” Additional detailed information can assist them in determining what caused the error and how to resolve it.

Your RAM or hard drive may be damaged

Your computer’s hard disk and RAM are critical components. They hold your data, both permanent and temporary, and manage a variety of system tasks. It’s possible that if they’re destroyed, you won’t be able to launch your computer.

Major Windows 10 update has been released

According to some customers, allowing a more big Windows 10 update to install produces the “Unmountable boot drive” error.

The BIOS is set up incorrectly

Some computer professionals enjoy tinkering with Windows 10’s BIOS function. If you don’t know what you’re doing, however, this might go wrong.

Corrupted system files

When one of the files that keep your system running becomes corrupted, it can cause various problems. Malware or an application could be at blame for the corrupted system files. One of these issues is the inability to start Windows 10. The error “Unmountable boot volume” appears as a result. 

Procedure To Fix “Unmountable Boot Volume Windows 10”

  • Create a Windows 10 Install Disk
  • Use Windows Automatic Repair
  • Try an SFC Scan
  • Reboot your computer
  • Fix the Master Boot Record
  • Run Chkdsk Command
  • Reinstall Windows 10

1. Create a Windows 10 Install Disk

You can’t boot Windows usually to fix this problem. You’ll need to use another PC to produce a Windows installation bootable USB drive or DVD. By booting from a separate device, you’ll be able to use Windows’s diagnostic tools.

The Windows 10 Microsoft Media Creation Tool makes Windows 10 installation media. After making your installable disk, connect it to your computer and boot from the USB or DVD. To achieve this, you’ll most likely need to change the boot order on your computer. The approach you use will vary depending on your computer.

2. Use Windows Automatic Repair

Many repair options are available if you use a Windows 10 installation disk. Suppose you don’t intend to replace the operating system. The “Automatic Repair” tool is one of them, and it can be used to troubleshoot boot issues.

  • Start your computer by injecting the Windows installation disc and clicking the Power button. 
  • Press a unique key to assist you in entering the BIOS screen of your computer as soon as it starts to boot. (Function The BIOS key differs from machine to computer. It might be the keys F8, F9, F12, Esc, and Del.)
  • Select boot from Windows installation disk from the BIOS menu.
  • Your computer will boot from the Windows disk, and you will see the image below. In the corner (lower-left) of your screen, click Repair your computer.

Following that, you can take the following steps:

  • Select Troubleshoot then Advanced options and Startup Repair from the Troubleshoot menu.
img 617d993f8d69f
  • On the next screen, select Windows 10 from the drop-down menu (the operating system currently installed on your PC).
  • Finally, be patient as the utility tries to fix the files. The repair process can take a long time to complete. So, be patient and refrain from interrupting or aborting the procedure.
Automatic windows Repair
  • The problem may then be resolved, and you can exit the installer and try to boot the computer normally. If the Windows Startup Repair doesn’t work, move on to the next step.

3. Try an SFC Scan

The SFC scan, commonly known as the System File Checker, is a valuable utility in Windows. It can repair a wide range of problems. SFC, or System File Checker, searches for and attempts to repair corrupted Windows system files. If none of the other suggestions have acted, give this a shot.

  • Start by booting from your Windows 10 installation disk (DVD or USB drive).
  • When your computer starts up, go to “Repair your computer” and select Troubleshoot.
  • A list of advanced options will appear. Choose “Command Prompt.”
Command Prompt
  • Press enter after typing the following command:
    •  sfc /scannow
sfc /scannow
  • Wait for the System File Checker to complete before attempting to use your computer.

4. Reboot your computer

Restart your computer to remedy the problem of an unmountable boot volume. When Windows has a temporary hitch, restarting the machine will fix it. You will nevermore have to deal with the issue of an unmountable boot drive again.

Reboot your computer

You may get a blue screen with an unmountable boot volume problem. Also, while working, the system restarts and tries to boot Windows again. If the error does not recur after some time, you should be clear.

When you try to boot into your PC, though, you’ll usually get an unmountable boot volume error, and it won’t allow you to run Windows at all. Proceed with more in-depth troubleshooting in that situation.

5. Fix the Master Boot Record

The Master Boot Record (MBR) is a file that includes information on where your hard disk is located. Also, how to correctly load it when you switch on your computer. It can cause an unmountable boot volume error if it becomes corrupted. As a result, you resolve the issue through “Repair Master Boot Record.”

  • Start by booting from your Windows 10 installation disk (DVD or USB drive).
  • When your computer starts up, go to “Repair your computer” and select Troubleshoot.
  • A list of advanced options will appear. Select “Command Prompt.”
  • To begin repairing your MBR, type bootrec /fixmbr on the Command Prompt and click Enter.
bootrec /fixmbr
  • Wait for the operation to finish before typing the following command bootrec /fixboot . Press enter once more.
bootrec /fixboot
  • Wait for this command to complete before typing in the last command bootrec /rebuildbcd. Click enter to complete the operation.
bootrec /rebuildbcd
  • To exit the Command Prompt, write exit and hit enter, then restart your computer.

6. Run Chkdsk Command

If the automatic repair and MBR repair failed to resolve your issue, you should run Chkdsk next. This valid Command Prompt application allows you to inspect your hard disk. All problems that could be causing the unmountable boot volume message.

The Check Disk Utility on your computer fixes drive-related issues. It recovers corrupted windows files. It must be installed on both the boot drive and the Windows 10 partition.

  • Open the command prompt from the beginning. Select “Command Prompt.”
  • Press enter after typing the following command line.
    • chkdsk /r /c
  • You may install Windows 10 on a disk other than C. Replace C: with Windows 10’s drive.
Run Chkdsk Command
  • Allow enough time for the Chkdsk command to scan your hard drive for any faults. Depending on your machine, this could take a long time.
  • Suppose Chkdsk appears when you restart your computer, type Y, and let it run. After that, you can check to see if your computer is operational.

7. Reinstall Windows 10

You can get your machine working again with this operation. You will lose all of your data and files. Ensure to back up the system before. It allows you to restore the computer to an earlier date).

  • Press the Power button to switch off the machine.
  • To get into Windows, you’ll need to use the Windows installation disc.
  • When it rises on the screen, click Install Now.
  • Reinstall Windows 10, Windows 7, or Windows 8 on your computer by following the onscreen steps.

If reinstalling Windows 10 does not solve the “Unmountable Boot Volume” BSOD error. You may have a failing hard drive or another hardware-related issue.


All the methods given above are full-proof methods to get rid of unmountable boot volume windows 10. You can attempt any of them to fix Windows 10’s unmountable boot volume.


Which volume is boot volume?

The system volume is the location from which the computer loads its operating system. A boot volume is a storage location for the operating system’s (Windows) system files.

What causes Unmountable boot volume Windows 10?

The error message “Unmountable Boot Volume” might appear for a variety of reasons. It could be because the file system is broken and cannot be mounted. The BIOS settings are set to force the faster UDMA modes.

How do I fix Unmountable boot volume of Windows 7?

The UNMOUNTABLE BOOT VOLUME problem indicates Windows was unable to mount the boot filesystem. To read/load required dependencies from it, resulting in a blue screen of death.

What is spanned volume?

A spanned volume merges unallocated space from numerous disks into a single logical volume. It allows you to manage all of the space and drive letters on a multiple-disk system more efficiently. Striped volumes are constructed by combining free space, usually from two or more drives, into a single logical volume.

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Abdul Rahim has been working in Information Technology for over two decades. Learn how Abdul got his start as a Tech Blogger , and why he decided to start this Software blog. If you want to send Abdul a quick message, then visit his contact page here.