Many Windows 10 users report the “Unmountable boot volume” error and because it does not allow the computer to perform functions, or access files and data, the error causes much annoyance and inconvenience to users.
This error can be caused by many reasons, such as virus or corrupted system registry.
If you too, experience this error, then you can try the following solutions to fix the problem.
Before you proceed, ensure that you have a bootable USB Driver or a Windows 10 DVD. You can also use another computer to burn a Windows 10 ISO file to a USB drive.
Now you may proceed by putting the DVD or USB in your computer and use it to boot your computer.
After that, you can now try the following methods given below.
Method 1: Automatic Start-up repair
This method should easily and quickly fix the problem.
- After your computer opens and you’ve selected your language, selectRepair your computer at the bottom of your screen in your Windows setup.
- Then, select Troubleshoot when asked to choose an option.
- Proceed by selecting Startup Repair in Advanced options window.
- Next, choose Windows 10 as a target operating system.
- Now Windows will start to repair automatically. The process might take a while to finish.
Method 2: Using Command prompt to fix Master Boot Record
Master Boot record is the information in the boot sector of a hard drive that locates the operating system of a computer.If the MBR malfunctions or is corrupted then the unmountable boot volume error occurs. To fix this follow the steps given below.
- Repeat the steps 1-2 of method 1 given above.
- Next, in Advanced options windows, select Command Prompt.
- Then, in Command Prompt windows, type the command “bootrec /fixboot” and press Enter.
- Next, when the process is finished, restart your computer and check if the problem has been resolved.
Method 3: Check Disk in Command Prompt
One of the reason that this error occurs, is because there is some issue with the hard drive. We can run chkdsk command, i.e. we can perform a disk check to scan for problems and repair them.
- Follow the steps 1-3 of method 2 to open Command Prompt.
- Next, type in the following command:“chkdsk /r c:”. Please note that the letter ‘C’ is your boot drive so you may replace this with your boot drive letter. Proceed by pressing Enter.
- When the process is complete, restart your computer and see if you have been successful in removing the error.
Method 4: Reinstalling Windows 10
If none of the methods above have worked for you then you may install your Windows 10 again.
- After you’ve opened your computer and selected your language, proceed by clicking on the Install now button on your Windows Setup.
- Then you will be provided with instructions to install your Windows. Follow them to finish the installation process.
If you have tried all of the above methods and still the error persists, then you should contact your device manufacturer or some computer expert because the problem may be due to complications in hardware.