How to Fix the Unmountable Boot Volume Error in Windows 10

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The unmountable boot volume windows 10 occurs error message “Unmountable Boot Volume” it’s due to various reasons, it could be due to basic input or output system BIOS or file system damaged cannot be mounted. It also occurs due to the problem of the hard drive system or in the disk partition when Windows is installed.

While this problem can be caused by various reasons, it shows up while you are trying to boot your computer. If you want to resolve this issue, take a look at the following guide on how to fix the unmountable boot volume error in Windows 10.


Step 1: Restart the Computer

When you see the blue screen unmountable boot volume error. Sometimes Windows runs into a temporary hiccup and you never have an issue with it again, if you see the error while working, restart your computer and try to log in again. The computer may be able to recover from the error by itself. However, if it won’t let you load Windows at all, you need to move to the next steps


Step 2: Perform to Use Chkdsk

In some cases, problems on the hard drive error. This can be fixed by using the Command Prompt to run Chkdsk. by the following instructions

  1. Select the Repair your computer option found at the lower-left corner once you start your PC using the installation media.
  2. Choose Command Prompt.
  3. Type chkdsk /r c:, then press the Enter key from the keyboard.
  4. Select Y for Yes if you were asked regarding checking the disk the next time the system restarts.
  5. Reboot your PC. Let’s keep our patience here as the chkdsk can take quiet some time.

Replace C: to the bootable drive letter you’re using if it’s other than C:


Step 3: Repair Master Boot Record.

If the above step still not working. Let’s try to repair Master Boot Record

  1. Select the Repair your computer option found at the lower-left corner once you start your PC using the installation media.
  2. Choose Command Prompt.
  3. Type bootrec /fixboot, then press the Enter key from the keyboard.
  4. Reboot your PC. Your patience is also needed here.

Step 4: Automatic Repair

One of the most convenient ways to resolve the Unmountable Boot Volume error is by using Windows 10 Automatic Repair option. We recommend doing this even if you noticed that your computer repaired itself after showing the error message. Follow the steps below:

  1. Boot your PC from a Windows 10 CD or a USB drive (download the Windows 10 from Microsoft).
  2. Select the Repair your computer option found at the lower-left corner once you start your PC using the installation media.
  3. Choose Troubleshoot, then Advanced options.
  4. Select Automatic repair, then Next.

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