Fixes

UNMOUNTABLE BOOT VOLUME error in Windows 10 [FULL GUIDE]

After several tests, our team concluded that this is the best-automatized solution, so be sure to try it out.

Some of the most common Windows errors and bugs are a result of old or incompatible drivers. The lack of an up-to-date system can lead to lag, system errors or even BSoDs.To avoid these types of problems, you can use an automatic tool that will find, download, and install the right driver version on your Windows PC in just a couple of clicks, and we strongly recommend DriverFix.Follow these easy steps to safely update your drivers:

  1. Download and install DriverFix.
  2. Launch the app.
  3. Wait for the software to detect all your faulty drivers.
  4. You will now be presented with a list of all the drivers that have issues, and you just need to select the ones you’d liked fixed.
  5. Wait for DriverFix to download and install the newest drivers.
  6. Restart your PC for the changes to take effect.
DriverFix

DriverFix

Keep your Windows safe from any type of errors caused by corrupted drivers, by installing and using DriverFix today!

Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.


2. Run the hardware troubleshooter 

  1. Open the Settings app and go to the Update & Security section.
  2. Select Troubleshoot from the menu on the left.
  3. Select BSOD from the right pane and click Run the troubleshooter.blue screen troubleshooter
  4. Follow the on-screen instructions to complete the troubleshooter.

If updating your drivers didn’t resolve the UNMOUNTABLE BOOT VOLUME error, we’ll try with a troubleshooting tool.

Windows 10 features a handy built-in troubleshooter that can help you with various issues, including the BSOD errors. So, we can try it and see if we have any luck.


3. Run the SFC scan

  1. Right-click on the Start Menu button, and open Command Prompt (Admin).
  2. Enter the following line and press Enter:sfc/scannow
  3. Wait until the process is done (it may take a while).
  4. If the solution is found, it will automatically be applied.
  5. Now, close the Command Prompt and restart your PC.

The SFC scan is a command-line tool that basically scans your computer for potential errors, and resolves them if the solution is available.

Among other errors that the SFC scan can help with are the BSOD issues, so be sure to check it out.


4. Run DISM

  1. Right-click on Start and open Command Prompt (Admin).
  2. Paste the following command and press Enter:
    • DISM /Online /Cleanup-Image /RestoreHealth
  3. Wait until the scan is finished.
  4. Restart your computer and try updating again.
  • With the Windows installation media
  1. Insert your Windows installation media.
  2. Right-click the Start menu and, from the menu, choose Command Prompt (Admin).
  3. In the command line, type the following commands and press Enter after each:
    • dism /online /cleanup-image /scanhealth
    • dism /online /cleanup-image /restorehealth
  4. Now, type the following command and press Enter:
    • DISM /Online /Cleanup-Image /RestoreHealth /source:WIM:X:SourcesInstall.wim:1 /LimitAccess
  5. Make sure to change an X value with the letter of the mounted drive with Windows 10 installation.
  6. After the procedure is finished, restart your PC.

DISM is yet another command-line troubleshooter that we can use if the previous ones failed to resolve the issue.

In fact, DISM might be the most powerful troubleshooter, because it freshly deploys the system image.


5. Use chkdsk scan

  1. Press the Windows Key + X, and select Command Prompt (Admin).
    unmountable-boot-volume-admin
  2. Type the following command and press Enter: chkdsk /r c:unmountable-boot-volume-chkdsk-cmd
  3. Wait for the chkdsk scan to finish.

Some users are also recommending using the bootrec /fixmbr command before chkdsk, so you might want to try that as well.

If you cannot enter Windows 10 due to UNMOUNTABLE BOOT VOLUME error, you can perform the chkdsk scan be following these steps:

  1. Start Automatic Repair by restarting your PC a few times during the boot sequence.
  2. Choose Troubleshoot > Advanced options > Command Prompt.
  3. When Command Prompt starts, type the following command and press Enter the chkdsk /r c:

Sometimes corrupted files on your hard drive can cause these types of errors to appear, but you can fix these errors by performing chkdsk scan.

Alternatively, you can just connect that hard drive to a different PC and run the chkdsk scan. Just remember to replace C with the letter that matches your hard drive.


6. Change the SATA Mode in BIOS

Sometimes UNMOUNTABLE BOOT VOLUME Blue Screen of Death error is caused by incorrect SATA Mode setting in BIOS, but you can easily change that.

To change the SATA Mode you need to enter BIOS first, and you can do that by pressing F2 or Del while your computer boots.

Certain motherboards use a different key, so you might want to check your motherboard manual and see how to access BIOS.

Once you enter BIOS you need to find SATA Mode setting. There should be several modes available such as IDE, RAID, AHCI, etc. Select any of these modes, save your changes and restart your PC.

If the problem isn’t resolved, enter BIOS again and choose a different mode. If you cannot find SATA Mode setting, check your motherboard manual for detailed instructions.


7. Check your hardware

This error can be sometimes caused by faulty hardware, therefore we advise you to check if your hard drive and motherboard are working properly.

If you made any changes to your PC and added new hardware, we strongly advise you to remove or replace the new hardware since it might not be fully compatible with your PC.

Also be sure to check for any loose cables connecting to your hard drive. If a certain cable is loose and not properly connected, that might cause this error to appear.

If everything is connected properly, connect your hard drive to a different SATA port on your motherboard and check if that fixes this error.


UNMOUNTABLE BOOT VOLUME Blue Screen of Death error is one of more serious errors, and it’s usually caused by a hard drive problem.

In order to fix this annoying BSoD error, be sure to try all solutions from our article. For more suggestions, please access the comments section below.

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