Step 1: Reboot and Check for the Error Again.
Step 2: Create a Windows Install Disk.
Step 3: Use Windows’ Automatic Repair.
Step 4: Repair the MBR or GPT.
Step 5: Run the Chkdsk Command.
Step 6: Try an SFC Scan.
Step 1: Reboot and Check for the Error Again Like most blue screen messages, the unmountable boot volume error isn’t always something to worry about if you only see it once.
Step 2: Create a Windows Install Disk
Step 3: Use Windows’ Automatic Repair
Step 4: Repair the MBR or GPT
Step 5: Run the Chkdsk Command
Step 6: Try an SFC Scan
The Master Boot Record (MBR) contains vital information that life on the hard drive helps with and it loads correctly when the computer is turned on. If this gets corrupted, it can lead to a complete boot unmount error. So, you can fix these errors by repairing the MBR.
The boot volume must be a hard drive partition containing both the boot files and the Windows system itself. Starting with Windows 10, you may experience an UNMOUNTABLE_BOOT_VOLUME error that ends with a BSOD and prevents customers from accessing Windows.
To repair MBR or GPT, reboot from Windows 10 or Windows Install 11 media and look at Computer Recovery > Troubleshoot. This time, in the Options window, under Advanced, select Command Prompt. At the command prompt, enter the following command to start MBR recovery:
How do I fix Unmountable boot volume?
- How to fix “Unmountable boot volume 1: volume”
- Method Restart your computer.
- Method 2: Use automatic repair.
- Method 3 .Correct the MBR.
- Method 4: Run chkdsk.
How do I fix Unmountable boot volume Windows XP?
- To solve this problem, boot to a console repair.
- In the recovery console, type chkdsk /p to verify that the drive is definitely bad or marked dirty . …
- If no errors are found on our own hard drive after this check, restart most of the computer.
What is Unmountable boot volume windows7?
This error occurs when the hard drive of your amazing drives gets corrupted and stops booting. This can either be caused by improper shutdown or Stink malware. If you don’t get any error messages at first and the computer keeps restarting, press the F8 key before users see a screen that says Windows.
How do I fix Unmountable boot volume without CD?
Part 1. Repair Unmountable Boot Disk Without CDOpen EaseUS Master Partition on your computer. In the “Check my file system” window, leave some of the “Fix errors if found” services selected and click Start. The software may start checking the file systems of your hard drive partition.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.