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Fix Unmountable Boot Volume blue screen error in Windows 10

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Errors aren’t uncommon with Windows 10. One of the more serious errors is theBlue Screen of Deathwith theUNMOUNTABLE_BOOT_VOLUMEerror messagewhen trying to start your Windows PC.

What is the Unmountable boot volume error?This is a serious issue, as it blocks you from accessing all your files and data. Fortunately, there are a few things you can do to try and resolve this issue.

But before you begin, you will need a bootable media containing Windows 10. This could either be a Windows 10 DVD, or a bootable USB drive withWindows 10.

Once you have the media prepared, plug it into theUSB portof your computer, and boot the system. Note that you may have to select boot media by pressing F8 or F12, depending on your system configuration.

How can I fix the Unmountable Boot Volume error?

How can I fix the Unmountable Boot Volume error?

1. Use Automatic Repair

The first thing to try is to get Automatic Repair to do the fixing for you. To use Automatic Repair, simply follow the above steps. If this didn’t resolve the issue move on to the next solution.

Automatic Repair couldn’t repair your Windows 10 PC? Check this guide to solve the issue quickly!

2. Use the Chkdsk command

If the reason behind the UNMOUNTABLE_BOOT_VOLUME is some error on your hard drive, this can be detected and fixed by the Chkdsk command.

3. Fix Master Boot Record

The reason behind the problem could also be a bad Master Boot Record (MBR). The MBR is responsible for identifying the location of your operating system, so a malfunctioning MBR could result in boot errors.

To fix this problem, follow the above procedure.

If you’re having trouble accessing Command Prompt as an admin, then you better take a closer look at this guide.

4. Perform a few hard reboots

Strangely enough, some users reported that after performing a few hard reboots, they got rid of the Unmountable Boot Volume blue screen error.

In other words, when this error appears on the screen, press the power button of your PC until it reboots. Then, let the PC continue the reboot process, but don’t wait until theBSoDerror occurs again.

Perform a new hard reboot before theBSoDerror appears. Repeat the process 5 times. If the issue persists, move on to the next solution.

5. Reinstall Windows 10

If all else fails, unfortunately, you may have to reinstall Windows 10 altogether. To do this, in the initial window, once you’ve selected the language, click onInstall now. Follow the on-screen instructions to reinstall Windows 10.

In case of needing extra help, don’t hesitate to take a closer look at thisdetailed guidein that regard.

If neither of these solutions works for you, the problem may lie in your hardware. Contact a hardware expert or the manufacturer.

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More about the topics:BSoD error codes

Madalina Dinita

Networking & Security Specialist

Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer.

She is interested in all things technology, especially emerging technologies – AI and DNA computing in particular.

Prior to joining the WindowsReport team, she worked in the corporate world for a number of years.

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Madalina Dinita

Networking & Security Specialist

Madalina is a Windows fan since forever, especially interested in AI, emerging technologies, privacy, and security.