How To Fix Unmountable Boot Volume
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The \"boot volume\" is the partition of your storage drive (an SSD or hard drive) that holds Windows. This error occurs when your computer can't load Windows properly, resulting in a blue screen of death that you'll then need to troubleshoot.
Like most blue screen messages, the unmountable boot volume error isn't always something to worry about if you only see it once. Sometimes Windows runs into a temporary hiccup that you never have an issue with again.
Usually, though, you'll see the unmountable boot volume error each time you try to boot into your PC, and it won't let you load Windows at all. In that case, proceed with more in-depth troubleshooting.
Since you can't boot Windows normally to solve this issue, you'll need to create a Windows installer on a USB drive or DVD using another machine. This will let you access the troubleshooting tools Windows offers by booting from a different device.
Once you've created your installable disk, plug it into your PC and boot from the USB or DVD. You'll probably need to change the boot order on your PC to do this. The exact method to do so depends on your computer.
From here, Windows will run an automatic repair that will hopefully take care of your issue. Once it's done, exit the installer and try to boot your computer normally. If Windows still shows an unmountable boot volume error after this, continue onto the next step.
The Master Boot Record (MBR) or GUID Partition Table (GPT) contains information about where Windows is located on your hard drive and helps the OS load properly when you turn your computer on. If this becomes corrupted, it can lead to an unmountable boot volume message.
To repair the MBR or GPT, boot again from your Windows 10 or WIndows 11 install media and select Repair your computer > Troubleshoot. This time, on the Advanced Options screen, choose Command Prompt.
Type exit to leave the Command Prompt once these finish running. Then reboot again and see if the boot volume error continues to pop up. If it does, you might want to run advanced MBR troubleshooting.
If the automatic repair and MBR/GPT repair don't solve your problem, you should next try Chkdsk. This important Command Prompt tool lets you check the storage drive for errors, which may be the cause of the unmountable boot volume message.
Chkdsk may tell you that the volume is already in use, and ask you to run it next time the system restarts. If it does, enter Y for yes and reboot to start the process.
After ruling out hardware, your Windows installation may be corrupted in a way that the above utilities can't repair. In that case, your only option is to reinstall Windows and hopefully fix the problem by starting fresh. This is a pain and takes time, but isn't as tedious if you have a backup. You may want to first run through other potential fixes when Windows won't boot before taking this intensive step.
Hopefully, you backed up your files before you ran into this issue. If not, see how to recover data from a computer that won't boot. You may be able to retrieve your files, even if Windows doesn't load.
We've looked at several steps for fixing an unmountable boot volume stop code error in Windows 10 or Windows 11. Since this is usually caused by file corruption, running the above scans from a Windows recovery disk should fix it most of the time. But in the worst cases, you'll need to diagnose your hardware or even reinstall Windows.
Sometimes, users can be prevented from accessing the Windows operating system and boot their PC because of the Blue Screen of Death error. Caught by this problem, they will usually be told \"Your PC ran into a problem and needs to restart\" and some other detailed information which is helpful to find what caused the error and how to get it fixed. UNMOUNTABLE_BOOT_VOLUME is a popular error detailed information that usually appears on HP, Lenovo, Dell and Toshiba laptop in Windows 10/8/7/XP.
Many reasons could lead to this error in addition to the reasons above. Next, you can learn fixes for each reason, no matter you have a Windows installation CD/disk or not. If you have important files saved on the PC and are extremely urgent to get them back, you can directly skip to Part3 to learn how to recover data from the PC that cannot boot.
If you don't have a Windows installation CD/disk, download EaseUS partition software first and use it to create a USB bootable disk, and then try the following two fixes to deal with unmountable boot volume error. Before starting, change the boot sequence of the unbootable PC in BIOS, and then restart the computer from the WinPE bootable disk. It will guide you to the main window of EaseUS partition software.
Right-click the boot drive and click the \"Check partition\" option, then choose the way that you want to use to check the hard drive and click \"OK\". The software will automatically scan hard disk partition and repair errors for you. Finally, click \"OK\" to finish the process.
If you don't want to use third-party software, you can create a Windows installation CD/disk to solve the unmountable boot volume problem. Before starting, please first boot your PC from the bootable CD or USB device and then select the \"Repair Your Computer\" option in the Windows Setup window to get into the \"Choose an option\" menu.
As I have mentioned above, if you have important files saved on the PC and are extremely urgent to retrieve them, you can directly learn how to recover data from the PC that cannot boot. All you need is EaseUS Data Recovery Wizard Pro with Bootable Media. It is mainly designed for data recovery cases of any system crash or booting problems. Try it to rescue your files when the hard disk is dead, damaged or failed.
You have learned 6 effective ways to solve the unmountable boot volume issue. You can try any one of them to fix unmountable boot volume Windows 10. Also, the video on the top can solve the common blue screen errors effectively, you can follow the details in the video. If you have any better solution to solve unmountable boot volume, you can share it and tell us.
We have learned before that the corrupted system files may cause the unmountable boot volume in Windows 10. The Master Boot Record (MBR) contains information where lives on your hard drive and helps it load properly when you turn your computer on. If this becomes corrupted, it can lead to an unmountable boot volume error. Thus, you can fix the error by repairing the MBR.
If you do not have Windows installation disc, you can make use of third party software to help you fix unmountable boot volume error in Windows 10/8/7. AOMEI Partition Assistant Standard is a really powerful and free software that can not only help you create a bootable media (USB drive, CD/DVD), but also repair MBR, check hard drive error.
The Worse is that nothing can help you fix unmountable boot volume in Windows 10/8/7, but only reinstall Windows. With this operation, you can get your computer back to work again but lose all the data and files on your computer (unless you have backed up system before, which allows you to restore computer to an earlier date).
The MBR, or master boot record, contains information about the operating system and the various partitions on your HDD or SSD. It also allows your computer to identify and load the operating system at startup.
The System File Checker (SFC) is a utility that you can run from the Command Prompt console to scan and repair corrupted system files. You must use it on both the boot drive (which is a hidden partition that contains boot-related information) and the partition that holds Windows 10.
The Check Disk Utility (Chkdsk) repairs drive-related errors and recovers corrupted data on your computer. You must run it on both the boot drive and the partition that contains Windows 10. If you used the DiskPart utility from above, you should have already figured out the drive letters for both drives.
In major cases, the error is generated due to a corrupted hard disk of yours. We have discussed several reasons that can cause corruption of your hard disk. Third-party security suites can cause hardware corruption, which can amount to this error. Often, your hard disk cannot load the boot volume on Windows.
However, if you see an alternate message which might read, \"Windows Resource Protection found corrupt files but was unable to fix some of them\", you have to carry out the reboot in safe mode before doing anything else. For the ones who are using Windows 11/10, accessing the Safe Mode might be tricky as the booting takes place in a very short amount of time, but it can be done by holding the Shift key while clicking the restart option which will allow them to access the advanced boot options menu. For the earlier variants of Windows, one has to hold up the F8 key while the booting takes place. You then have to run the above command in the safe mode.
You may encounter an issue unmountable boot volume when you are trying to boot your computer. But do you know what the reason is of this problem and how to fix unmountable boot volume Windows 10 problem This post will list 6 solutions.
Of course, apart from the above causes, other reasons may also give rise to the problem. Meanwhile, do you know how to fix unmountable boot volume Windows 10 If no, you come to the right place. In the following part, we will demonstrate how to fix the stop code unmountable boot volume and you can try these methods one by one.
In the beginning, we will show you the first unmountable boot volume Windows 10 fix. In order to solve the issue unmountable boot volume, you can try restarting your computer. Sometimes, Windows runs into a temporary hiccup, restarting computer will solve it and you never encounter the issue unmountable boot volume again.
And the repair process will take a long time. So you need to wait patiently for the process to be finished. After that, you can restart your computer to check whether the issue unmountable boot volume is fixed. 153554b96e