How to fix unmountable boot volume Windows 10 issue: Complete Guideline

unmountable boot volume

unmountable boot volume Windows 10 problem generally occurs to those PC systems that have some issues in their Hard drive or solid state drive. It’s a Blue Screen of Death (BSOD) error message that prevents the device from getting started successfully. ‘Boot volume’ is the partition of your hard disk drive which includes boot files and Windows system files. When this threat occurs to your system, the device won’t start effectively within a blue screen of death and at the bottom of the screen, a message appears “UNMOUNTABLE BOOT VOLUME”. This notorious error message also used to appear in Windows XP and other versions of the Windows, but, in recent time, Windows 10 users have mostly complained about it.

Many users have asked that what causes unmountable boot volume Windows 10. According to the reports, it is mostly happens soon after upgrading the OS to the newer version from the earlier ones. There might be various reasons behind the issue such as corrupt RAM, corrupt system files, damaged hard drive, infected files on the internal memory, malware and so on. While installing a third-party application, users’ often don’t pay close attention and end up with getting hazardous parasites in the machine along with the main software. These nasty threat ruin vital system files and causes too many unkind issues in the system including this particular one.

When you try to boot your PC, this annoying error message keeps appearing for a long time preventing the system from get started. Well, what does the error unmountable boot volume mean? It simply means that your hard drive is in some kind of trouble. It would probably store junk files or other similar stuffs or there is also possibility that important system files have been corrupted by malware. Upon successfully getting into your machine, a notorious infection conducts a series of malicious activities in the background and completely ruins each and every part of the work-station.

Read also- Know How to Fix .net Framework 3.5 Error 0x800f081f in Windows 10

In case you are among those users who are dealing with same issue, you don’t need to be panic. We have provided some effective solutions that you have to apply one at a time and then see if the problem is resolved.

Solution 1- Fix Master Boot Record

A malfunctioned MBR can lead to various hazardous issues including “unmountable boot volume Windows 10” because it recognizes where and how your OS is located so that you can start your PC normally. And hence, you must fix it and for this, follow the below steps:

  • On the ‘Windows Setup’ screen, click on ‘Repair your computer’ at the bottom left once you finish opting your language.

unmountable boot volume

  • Now, click on ‘Troubleshoot‘.

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  • Once the ‘Advanced options’ screen appears, select ‘Command Prompt’.

Windows 10

  • Here, type or copy-paste ‘bootrec /fixboot’ and then press ‘Enter’.

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  • Once the process is finished, restart your PC and then see if the issue is fixed.

Solution 2- Use Chkdsk command to fix “unmountable boot volume Windows 10 issue”

Issues in your hard drive might be the main culprit behind the occurrence of this problem. And thus, you should run Chkdsk command to get rid of the threat.

  • Open ‘Command prompt’ on your Windows 10 system and for this, repeat the steps as given in “Solution 1”.
  • Type in ‘chkdsk /r c’ and then hit ‘Enter’ (Note- ‘C’ here refers to the boot drive)

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  • After the process is completed, restart your system and then see if the issue is solved.

Solution 3- Use Automatic Repair

Using Automatic Repair can be very helpful in getting rid of “unmountable boot volume Windows 10” issue. And for this, go through the steps given below:

  • Follow the steps as given in “Solution 1” until the ‘Advanced options’ screen appears.
  • In the ‘Advanced options’, click on ‘Startup Repair’.

boot volume

  • Opt for ‘Windows 10’.

boot volume Windows 10

  • After that, the repair starts immediately. Once the process is completed, check whether the problem is resolved or not.

Solution 4- Fix Corrupt Windows files

Fixing corrupt Windows Files can be also very useful in getting rid of “unmountable boot volume Windows 10” issue because 90% problems occur due to some corrupt files of your OS. For this, Just follow the below steps:

  • Type ‘cmd’ in the ‘Search’ box.
  • Right-click on ‘Command Prompt‘ and open it as an administrator.
  • After that, type in ‘Sfc /Scannow’ and then press ‘Enter’. Don’t close the Command prompt window before the verification gets 100% completed.

unmountable boot volume

  • At the end, again restart the computer and see if the issue is fixed.

Solution 5- Reinstall Windows 10 to get rid of “unmountable boot volume Windows 10” issue

If none of the methods mentioned above worked, then you should try reinstalling the Windows 10 to fix the issue.

  • After you complete opting language on the ‘Windows Setup’ screen, click on ‘Install now’.

Windows 10

  • After that, go through the instruction following for the completion of the process of re-installation.
Solution 6- Perform a complete system scan

As we mentioned earlier, “unmountable boot volume Windows 10”: issue might occur due to the presence of malware, virus or other hazardous threats in the compromised PC. So, you need to scan the complete device to remove all the notorious parasites from the work-station. You can do this both manually as well as automatically. The “Manual” process requires much attention and you need to be highly skilled in computer or technology. So, we strongly recommend using “Automatic” procedure and for this purpose, you can use Reimage anti-malware tool.

Is Your PC Behaving Abnormal & Needs Instant Optimzation?

We recommend you to choose Reimage PC Repair Suite which is dedicated to offer complete options to optimize a PC, fix any Windows error, and remove malware threats in easy. The software is award winning and suggested as the best malware fix application supporting all Windows versions including XP/Vista/7/8/8.1/10. Just 3 steps to avail error free PC.

  1. Download Reimage PC Repair and install on your PC. (Follow all on screen instructions when installer is executed)
  2. Click “Scan Your PC” button to scan all present issues, errors, junk files, and malware threats.
  3. Finally, click “Start Repair” to fix all detected problems in next few minutes.

Hopefully, one of these solutions helped you in getting rid of the unmountable boot volume Windows 10 issue. If you have any other solution or want to say something regarding this tutorial, you can write us in the comment below.

Ashish Kumar Author

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