August 23, 2020 by Billy Manning


The blue screen of death with the UNMOUNTABLE BOOT VOLUME error indicates that Windows was unable to mount boot filesystem 1 to read / load the required dependencies from it.



"Boot Volume" is the partition on your hard drive where boot files and the Windows system are stored. If you see the "Unmountable Boot Volume" error, you cannot access Windows and you see a blue screen (BSoD) error.

As a result, you cannot fix this error like other less serious problems. Fortunately, there are several methods that can be used to solve this problem, as described below.

What Is The "Unmounted Boot Volume" Error?

Unmountable Boot Volume Problem appears on Blue Screen of Death (BSOD). These types of errors are known to be unexpected and devastating because they are difficult to fix and can appear at almost any time. You have nothing to worry about if you saved your progress before crashing. Make sure you always save often!

While the new Windows 10 blue screen looks more user-friendly, it still poses just as many problems. The sad emoji at the top of the screen has become something of an internet joke, but that doesn't detract from the seriousness of BSoD viewing.

Losing files during a computer crash is one thingbut the lack of access to the system is even worse. This is an "Not Mounted Boot Volume" error. Once Windows 10 starts, you will be greeted by an early blue screen of death.

This means you won't have constant access to troubleshooting tools. We're here to help you now! You can jump directly to solutions by clicking here, or explore the possible causes in the next section.

What Causes The Not Mounted Boot Volume Error?

Many problems with Windows 10 have several possible causes, and this is no exception. For this reason, we need to consider all the possible reasons that were known at the time of writing.

Thanks to the active and supportive user base of Windows 10, we were able to compile a list of the most common causes of the "Unmountable boot volume" error.

How To Fix "Boot Disk Not Working"

What causes Unmountable boot volume?

Damaged system files.

If any of the files responsible for the health of your system gets damaged, this can lead to a number of problems. One of them is that Windows 10 cannot boot, which results in the "Not mounted boot volume" error. This damage can be caused by malware, manual errors, or an application.

Now that we've covered some of the possible causes, it's time to get down to business and start troubleshooting. There are more ways to fix this error than reasons - you need to find one that works.

By following our guide, you can fix the "Not Mounted Boot Volume" error on your Windows 10. You are minutes away from restoring and using your computer as if nothing had happened!

Method 1: Restart Your Computer

This is because Windows 10, like all other operating systems, has temporary problems. To fix this problem, the system can detect the problem and automatically repair your computer the next time it starts up.

Give it a try and see if restarting your computer results in a different "Boot Disk Not Working" error. If so, use the following few methods to get rid of the error permanently.

Method 2: Use Automatic Repair

You can use Windows 10 installation media to access many recovery tools, even if you don't plan on reinstalling your system yourself. One of them is an automatic repair tool that can be used to fix errors during startup.

Method3. Correct Master Boot Record

You can get rid of the "Not Mounted Boot Volume" error by simply restoring the Master Boot Record. All you need is Windows 10 installation media and our instructions below.

Method 4: Run Chkdsk Command

The Chkdsk command, also known as the Check Disk command, is a quick way to troubleshoot problems from the command line. All steps must be followed here.

Method 5. Run The System File Checker

The System File Checker tool, also known as the SFC scan, is a useful tool in Windows. It is capable of solving a wide range of problems, and users also have no solution for an unmountable boot volume.

Method 6: Reinstall Windows 10

If none of the above methods worked for you, we recommend that you completely reinstall Windows 10. Unless you are experiencing major hardware problems, this should resolve the Boot Disk Not Working error.

We hope this guide helped you resolve the "Not Mounted Boot Volume" error. Oudwork with your computer! If this problem occurs again in the future, you can go back to our article and use our methods to fix it again.

unmountable boot volume blue

If you are looking for a software company that you can trust for its integrity and fair conduct of business, SoftwareKeep is for you. We are a Microsoft Certified Partner and BBB Accredited Company that is committed to providing our customers with a reliable and satisfying experience with the software they need. We will be with you before, during and after the sale.

How do I fix Unmountable boot volume without CD?

Part 1. Fix a boot volume not mountable without CD
  1. Step 1: Open EaseUS Partition Master on your computer.
  2. Step 2: In the "Check the file system" window, leave the option "Fix errors if they are found" selected and click "Start".
  3. Step 3: The program will start checking the file system of your hard disk partition.

This is our software warranty. So what are you waiting for? Call us today at 877 315 ​​1713 or send an email to [email protected] You can also contact us via live chat.







Related posts:

  1. How To Fix Unmountable Boot Volume In Windows 7

    Resume Are you getting Unmountable Boot Volume error on HP, Lenovo, Dell and Toshiba laptops? Here are the solutions to fix the problem on Windows 10/8/7 / XP with or without Windows installation CD / disk. When data recovery is required, download the EaseUS recovery bootable program to get back the data you want to recover. . mb_2020_table_no1 {decrease frame: decrease; Width: 100%; Margin: 20px 0 36px 0;}. mb_2020_table_no1 th {Font size: 18 pixels; Background color: #EDEDED; Edge: 1px fixed #EAEAEA! Important; The edge below: no! important; Height: 64 pixels; Padding: 5px 25px; Align ...
  2. Resetting Boot Sector

    Among the many system errors, the most common problem faced by computer users is the "Boot device not found" error. And it happens unexpectedly and you have no opportunity to act. However, you can easily fix error 3F0 "No Boot Device Found" by following a series of steps. These workarounds are applicable if one of the following hard drive errors appears on the screen: No boot device found from hard disk. Error 3F0 occurs when the hard drive does not support the system boot process. During the boot process, the operating system is loaded into main memory (RAM). ...
  3. Cd Boot Ntldr Not Found

    How to fix missing Ntldr in Windows 7 It is unusual to see an "ntdlr missing" error when starting a Windows 7 computer. NTDLR is a Windows XP startup component file that is not required for Windows 7. Instead, Windows 7 uses a new updated boot components file called BootMgr. If you receive an "ntdlr missing" error when starting on Windows 7, your dual boot configuration may be incorrect or you may encounter errors when upgrading from Windows XP to Windows. 7. If you see this error message in Windows 7, here are some solutions you ...
  4. Unattended Boot Disk

    I have been asked to implement full disk encryption on a computer that should be left unattended. There are two hard drives in the car. The first hard drive has a boot partition and an operating system partition, while the second hard drive has only one partition and is used as storage for the application. The goal is to protect the data in the storage partition from being read in case someone decides to steal hard drives. I am planning to use the Linux dm-crypt module to encrypt the operating system and storage partitions. I think it makes ...
  5. Boot Disk Read Error Xp

    An error occurred while reading the hard drive in Windows 10/8/7 As a computer user, many errors can occur that prevent you from accessing your hard drive or data. Among them, the most frustrating error is reading the hard drive. When it is displayed, the following message is displayed: “An error occurred while reading the hard disk. Press Ctrl + Alt + Del to restart. " Fix hard drive reading error with 5 solutions You will be prompted to press Ctrl + Alt + Del to restart. However, in most cases this does not help and ...
  6. Error Disk Boot Failure Windows Xp

    [If the "boot sequence" was from CD, then hard drive, then hard drive, the computer may have two hard drives and is trying to boot from the wrong one. I still believe that you should follow the instructions below. when You will go to My Computer (after starting Hiren) and check if there is more than one hard drive listed. If so, take a look at the contents of each disk and see which Windows Windows is installed on. Then run chkdsk on all hard drives which are shown. Report your observations and the results of running chkdsk.] ...
  7. Truecrypt Boot Loader Disk Error In preparation for encrypting a system partition / system drive, TrueCrypt requires you to create a TrueCrypt Rescue Disk (CD / DVD) that serves the following purposes: Please note that even if you lose your TrueCrypt Rescue Disk and an attacker discovers it, the attacker will not be able to decrypt the system partition or disk without the correct password. The TrueCrypt Rescue Disk screen is not displayed (or if the Recovery Options item in the Keyboard Control section is not displayed), the BIOS may be configured to attempt to boot from hard drives to CD / ...
  8. Ftdisk Sys Blue Screen

    Information about the Ftdisk.sys file A process called FT disk driver or Volume Manager Driver is part of the Microsoft Windows operating system software or Volume Manager Driver from Microsoft (www. Microsoft ) .com). Description. The original ftdisk.sys file is an important part of Windows and rarely causes problems. The ftdisk.sys file is located in the C: \ Windows \ System32 \ drivers folder. The file size in Windows 10/8/7 / XP is 125,056 bytes. The driver ...
  9. What Causes My Computer To Go To Blue Screen

    The Blue Screen of Death - or BSOD - is always an unwelcome sight. BSODs are displayed when Microsoft Windows encounters a critical error that it cannot fix. This is usually the result of a low-level software (or driver) failure or faulty hardware. What are the causes of the blue screens of death Blue screens are usually caused by problems with your computer's hardware or problems with a hardware driver software. They can sometimes be caused by low-level software issues running in the Windows kernel. Regular applications usually cannot cause blue screens. When an application crashes, it ...
  10. Laptop With Blue Screen

    The Blue Screen (or Stop Failure) is commonly referred to as the Blue Screen of Death (BSOB). It may appear when you upgrade to a new version of the operating system, when you start your computer, or just "out of the blue" when using Windows 10. The biggest blue screen problem is literally a screen with a blue background and a sad face that doesn't have enough information to explain the problem to you. A message is usually displayed (not always): “Your computer has encountered a problem and needs to be restarted. We only collect ...