How to Fix Unmountable Boot Volume Windows 10 Error

Learn how to fix UNMOUNTABLE_BOOT_VOLUME blue screen error in Windows 10 or Unmountable Boot Volume Windows 10 error which appears at Windows startup.

If you are one of the regular readers of this blog, you may have noticed that we have shared many interesting and helpful Windows 10 troubleshooting guides on www.zerodollartips.com where we have explained how to fix different types of annoying errors which are experienced by the Windows 10 users.

And today, we are here with one more amazing how to fix tutorial where we will be showing some very simple but powerful methods to solve Unmountable Boot Volume Windows 10 blue screen issue.

unmountable boot volume windows 10

So in case if you have ever come across the Windows 10 blue screen error saying Unmountable_Boot_Volume while booting Windows computer, you are at the right place as today we are going to tell you everything about this specific blue screen of death error like – what is this error, why are you getting the error Unmountable Boot Volume in windows 10 and how you can easily fix it.

What is Unmountable Boot Volume Windows 10 Error?

UNMOUNTABLE_BOOT_VOLUME error is somewhat similar to all another blue screen of death (BSoD) errors which are common with the Microsoft Windows operating systems. Whenever the Unmountable Boot Volume error appears then Windows computer fails to boot normally.

In the majority of cases, this blue screen of death error occurs either in the middle of your Windows startup or in the middle of your Windows Installation Setup.

Before knowing how to fix “Unmountable Boot Volume” error in Windows 10, let’s know first what are the reasons of appearing unmountable_boot_volume blue screen error? Here we go.

What Causes Unmountable Boot Volume Blue Screen Error in Windows 10?

First of all, you need to understand that there isn’t only one specific reason for Unmountable Boot Volume Windows 10 error. The error commonly happens if the Windows installation which is done on your computer is not done properly or you have done some changes in the hardware of your computer.

You can have a look below and find out what are the common causes that you are getting this error:

  • According to many windows users, unmountable_boot_volume error usually happens if there are some problems in the hard disk of your computer. Specially, if the hard disk is corrupted.
  • If the OS which is installed on your computer is old or it is not updated from a long time then you might come across blue screen unmountable boot volume error.
  • Improper Installation of Windows can also lead to this blue screen error.
  • Third-party software and services are also known as a common cause of BSOD unmountable boot volume error.

How to Fix “Unmountable Boot Volume” Error in Windows 10

Although, there are plenty of methods available on the Internet which you can follow to fix unmountable boot volume blue screen error in Windows 10 computer.

But here, we have mentioned top four most helpful solutions. Let’s check them out:

Method 1: Fix Unmountable Boot Volume Error by Running CHKDSK

Whenever you receive such Windows 10 blue screen of death error, running CHKDSK should be your first priority. Follow the steps shared below in order to run CHKDSK in Windows 10 and solve unmountable boot volume blue screen error:

Step (1): First of all, you need to have the DVD or bootable Windows 10 USB Drive to start your computer.

In case, if you are not having any Windows 10 installation media then you can use the Media Creation Tool to create installation media (USB flash drive, DVD, or ISO file).

Step (2): Once you have inserted the DVD or flash drive, select “Repair your computer” option which you will find on the bottom left corner of the screen.

Step (3): After that, select Troubleshoot option and then click on Advanced Options.

Step (4): Next you need to click on Command prompt option.

Step (5): Now enter the following command line and then press Enter button:

chkdsk /r c:

Note: If you have installed Windows OS in D drive or any other drive than C, then you need to replace it with “C” drive in above command.

Step (6): Next, press “Y” for yes on your keyboard.

Step (7): Now, restart Windows 10 computer. Your computer will be scanned for the system errors.

Scanning will take some time to complete, so you need to wait for it. Once the scan is completed, you shouldn’t see blue screen unmountable boot volume error anymore.

Method 2: By Repairing Master Boot Record (MBR)

Repairing master boot record (MBR) has helped a lot of Windows users in fixing BSOD unmountable boot volume error on their computers. Follow the step by step guide shared below to fix unmountable_boot_volume Windows 10 blue screen error:

Step (1): At first, you need to have the DVD or bootable USB Drive for Windows 10 to start your computer.

In case, if you are not having any Windows 10 installation media then you can use the Media Creation Tool to create installation media (USB flash drive, DVD, or ISO file).

Step (2): Once you have inserted the DVD or flash drive, select “Repair your computer” option which you will find on the bottom left corner of the screen.

Step (3): After that, select Troubleshoot option and then click on Advanced Options.

Step (4): Next you need to click on Command prompt option.

Step (5): Now enter the following command line and then press Enter button:

Bootrec /fixboot

Step (6): Now, restart your computer.

Once the system error checking is completed, Windows 10 unmountable boot volume problem should be solved.

Method 3: Fix Unmountable Boot Volume Error using Automatic Repair

If you are not able to fix the issue by following above methods and are still wondering how to fix unmountable boot volume error then you can take help of Windows 10 automatic repair. Here’s how:

Step (1): At first, you need to have the DVD or bootable USB Drive for Windows 10 to start your computer.

In case, if you are not having any Windows 10 installation media then you can use the Media Creation Tool to create installation media (USB flash drive, DVD, or ISO file).

Step (2): Once you have inserted the DVD or flash drive, select “Repair your computer” option which you will find on the bottom left corner of the screen.

Step (3): After that, select Troubleshoot option and then click on Advanced Options.

Step (4): Next you need to click on Automatic Repair or System Repair option and then click on the Next button.

Step (5): Now, select the Operating System which you want to repair.

After that, scanning will be done and all the errors which will be discovered in the scan will get fixed. Once the scan is completed, you can reboot your computer and you won’t experience any error.

Method 4: Reinstall Windows 10 to Fix Unmountable Boot Volume Error

If none of these methods (above three) work then reinstalling Windows 10 to fix Unmountable Boot Volume error is the last option which you can try.

One thing you need to keep in mind that if you reinstall Windows 10 on your computer, all the files and data available on your computer will be deleted. But don’t worry, you will get error free system back.

Conclusion

As we all know, Unmountable boot volume error can be a real mess if it happens frequently. We hope that now you are able to fix this issue after following our guide “how to fix Unmountable Boot Volume Windows 10 error”.

Let us know using the comments section below – Which method helped you in solving Unmountable_Boot_Volume Windows 10 blue screen error?

1 thought on “How to Fix Unmountable Boot Volume Windows 10 Error”

  1. I was getting this error message a couple of weeks back. Tried several methods like automatic repair, CHKDSK etc. But none of them worked.

    Finally I went to service center and they replaced hard disk to rectify the issue.

    Thank you very much for the info.

    Take care,

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