The Unmountable_Boot_VolumeMonika after story gifts. Error in Windows 10 prevents the computer from starting, totally locking users out of their computers. You will find below various methods to fix Unmountable Boot Volume Error in Windows 10.

Unmountable Boot Volume Error in Windows 10

Unmountable Boot Volume Error in Windows 10 can occur due to Corrupted System Files, damaged RAM and also due to damaged Hard Drive in case of older computers.

When this error occurs, you will first see a Blue Screen with Unmountable_Boot_Volume Message. In most cases, the computer will automatically try to fix the problem.

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You can consider yourself lucky, if your computer is able to recover from this error by itself. However, if it does not, you will be needing a Bootable USB Drive to fix this problem using different methods as provided below.

If you do not have a Bootable USB drive, you can create one right now by using another computer and following the steps mentioned in this guide: How to Create Bootable USB Drive.

1. Restart & Allow Windows to Fix the Problem

Believe it or not, we have come across the case of a 7 year old computer recovering itself from Unmountable Boot Volume Error when it was restarted and allowed to stay on for about 4 hours.

If you have the time, you can try this method. If not, you can move to other methods as provided below.

1. Shut down your computer and allow it to cool down (15 to 30 minutes).

2. Now, start your computer and let it display the Unmountable Boot Volume Error Screen.

3. Your Computer will try to fix the problem by itself and end up with a blank screen.

4. Just leave your Computer to sort itself for about 3 to 4 hours.

Hopefully, you will be surprised to see your computer back to normal. If not, you can move to other methods as provided below.

2. Use Automatic Repair

Perhaps the easiest way to fix Unmountable Boot Volume Error in Windows 10 is to try the Automatic Repair option as available in Windows 10.

It is recommended that you try Automatic Repair, even if your computer has tried to repair itself and you have tried the first method.

1. Power OFF your computer by pressing the Power button.

2. Insert USB Drive containing Windows Media Creation tool into the USB port of your Computer and start the Computer by pressing on the Power button.

3. Your computer will now boot up from USB Drive and you will see Windows Setup screen. Select your Language, Currency, Keyboard and click on the Next button.

4. On the next screen, click on Repair your computer option located at the lower-left corner of your screen.

5. Next, click on Troubleshoot > Advanced options > Automatic Repair (or Startup Repair).

6. Click on Next > Windows 10 or the operating system that is currently installed on your Computer.

It can take a long time for the repair process to be completed. Make sure that you allow the Startup Repair tool to takes it own time and do not try to end or abort the process.

Note: If your computer is not booting from USB, you will need to Enable USB Drive boot option on your computer using steps as provided in this guide: Enable USB Drive Boot Using BIOS

3. Use Chkdsk

Unmountable Boot Volume Error in Windows 10 can also be caused due to hard disk errors. Hence, follow the steps below to check and repair hard disk errors on your computer.

1. Power OFF the computer > Insert Bootable USB Drive into the USB port of your computer > Press the Power Button to Restart your computer.

2. After the computer starts, click on Repair your computer option located at the lower-left corner of your screen.

3. Next, click on Troubleshoot > Advanced options > Command prompt.

4. Once you are on Command Prompt window, type chkdsk /r c: and press the enter key on keyboard of your computer.

Note: If your bootable drive is different, replace the letter “C” in above command with the letter that represents your boot drive.

5. Patiently wait for the Chkdsk Command to find and fix Hard Disk Errors on your computer.

6. Restart your computer and see if the problem is now fixed.

4. Repair Master Boot Record

1. Power OFF your computer and Restart using Bootable USB Drive.

2. After the computer starts, click on Repair your computer option located at the lower-left corner of your screen.

3. Next, click on Troubleshoot > Advanced options. > Command prompt.

4. On the Command prompt screen, type bootrec /fixboot and press the enter key.

5. Patiently wait for the master boot record on your computer to be fixed.

5. Reinstall Windows 10

If none of the above methods work, you will have to Reinstall Windows 10 on your computer.

The disadvantage of Reinstalling Windows 10 is that you will end up losing all the data and files on your computer.

1. Shut Down the computer and Restart using Bootable USB Drive.

2. Once your computer starts, click on Install Now button.

3. Next, follow the onscreen prompts to Re-install Windows 10 on your computer.

The UnmountableBootVolume Error in Windows 10 prevents the computer from starting, totally locking users out of their computers. You will find below various methods to fix Unmountable Boot Volume Error in Windows 10.Unmountable Boot Volume Error in Windows 10Unmountable Boot Volume Error in Windows 10 can occur due to Corrupted System Files, damaged RAM and also due to damaged Hard Drive in case of older computers.When this error occurs, you will first see a Blue Screen with UnmountableBootVolume Message. In most cases, the computer will automatically try to fix the problem. You can consider yourself lucky, if your computer is able to recover from this error by itself.

However, if it does not, you will be needing a Bootable USB Drive to fix this problem using different methods as provided below.If you do not have a Bootable USB drive, you can create one right now by using another computer and following the steps mentioned in this guide:. Restart & Allow Windows to Fix the ProblemBelieve it or not, we have come across the case of a 7 year old computer recovering itself from Unmountable Boot Volume Error when it was restarted and allowed to stay on for about 4 hours.If you have the time, you can try this method.

If not, you can move to other methods as provided below.1. Shut down your computer and allow it to cool down (15 to 30 minutes).2. Now, start your computer and let it display the Unmountable Boot Volume Error Screen.3. Your Computer will try to fix the problem by itself and end up with a blank screen.4. Just leave your Computer to sort itself for about 3 to 4 hours.Hopefully, you will be surprised to see your computer back to normal.

If not, you can move to other methods as provided below. Use Automatic RepairPerhaps the easiest way to fix Unmountable Boot Volume Error in Windows 10 is to try the Automatic Repair option as available in Windows 10.It is recommended that you try Automatic Repair, even if your computer has tried to repair itself and you have tried the first method. 1. Power OFF your computer by pressing the Power button.2. Insert USB Drive containing Windows Media Creation tool into the USB port of your Computer and start the Computer by pressing on the Power button.3.

Your computer will now boot up from USB Drive and you will see Windows Setup screen. Select your Language, Currency, Keyboard and click on the Next button.4. On the next screen, click on Repair your computer option located at the lower-left corner of your screen.5. Next, click on Troubleshoot Advanced options  Automatic Repair (or Startup Repair).6. Click on Next Windows 10 or the operating system that is currently installed on your Computer.It can take a long time for the repair process to be completed.

Make sure that you allow the Startup Repair tool to takes it own time and do not try to end or abort the process.Note: If your computer is not booting from USB, you will need to Enable USB Drive boot option on your computer using steps as provided in this guide: 3. Use ChkdskUnmountable Boot Volume Error in Windows 10 can also be caused due to hard disk errors.

Hence, follow the steps below to check and repair hard disk errors on your computer.1. Power OFF the computer Insert Bootable USB Drive into the USB port of your computer Press the Power Button to Restart your computer.2. After the computer starts, click on Repair your computer option located at the lower-left corner of your screen.3. Next, click on Troubleshoot  Advanced options  Command prompt.4. Once you are on Command Prompt window, type chkdsk /r c: and press the enter key on keyboard of your computer.Note: If your bootable drive is different, replace the letter “C” in above command with the letter that represents your boot drive.5. Patiently wait for the Chkdsk Command to find and fix Hard Disk Errors on your computer.6. Restart your computer and see if the problem is now fixed. Repair Master Boot Record1. Power OFF your computer and Restart using Bootable USB Drive.2. After the computer starts, click on Repair your computer option located at the lower-left corner of your screen.3. Next, click on Troubleshoot  Advanced options. Command prompt.4. On the Command prompt screen, type bootrec /fixboot and press the enter key.5.

Patiently wait for the master boot record on your computer to be fixed. Reinstall Windows 10If none of the above methods work, you will have to Reinstall Windows 10 on your computer.The disadvantage of Reinstalling Windows 10 is that you will end up losing all the data and files on your computer.1. Shut Down the computer and Restart using Bootable USB Drive.2. Once your computer starts, click on Install Now button.3. Next, follow the onscreen prompts to Re-install Windows 10 on your computer.