How to fix the problem of Fatal Boot Disk Repair in Windows 7?

August 22, 2020 by Frank Maiden


There may be an error indicating how to fix an unmountable boot disk in Windows 7. In this case, there are several ways to fix this problem. We will talk about this shortly.

  1. Press the power button to turn off the computer.
  2. Follow steps two through nine of the first method.
  3. When you've reached the advanced troubleshooting options, select Command Prompt.
  4. At the command prompt, type "bootrec / fixboot" (without quotes) and press Enter.
  5. Wait for the process to complete.




Are you getting Unmountable Boot Volume error on HP, Lenovo, Dell and Toshiba laptops? Here are the solutions to fix the problem on Windows 10/8/7 / XP with or without Windows installation CD / disk. When data recovery is required, download the EaseUS recovery bootable program to get back the data you want to recover.

How do I fix a Windows 7 repair disk?

Part 1. Fixing a boot volume not mountable without CD
  1. Step 1: Open EaseUS Partition Master on your computer.
  2. Step 2. In the "Check the file system" window, select "Fix errors if found" and click "Start".
  3. Step 3: The program will start checking the file system of your hard disk partition.

Presenting The Problem From Startsvolume That Cannot Be Provided

Sometimes, due to the Blue Screen of Death error, users cannot access the Windows operating system and start their computer. Those affected by this problem are usually informed that “Your computer has encountered a problem and needs to be restarted,” as well as other detailed information that will help you figure out the cause of the error and how to fix it. UNMOUNTABLE_BOOT_VOLUME is a popular detailed error information commonly displayed on HP, Lenovo, Dell and Toshiba notebooks running Windows 10/8/7 / XP.

Apart from the above reasons, there are many reasons that can lead to this error. You can then find out about the fixes for whatever reason, whether or not you have a Windows installation CD / disk. If you have important files saved on your PC and need to recover them urgently, you can skip to Part 3 to learn how to recover data that won't boot from PC.

Part 1: Fixing Removable Boot Volume Without CD

If you do not have a Windows installation CD / diskette, firstDownload the EaseUS partition software and use it to create a bootable USB disk. Then try the following two fixes to resolve the bootable drive cannot mount error. Before you start, change the boot sequence of the non-bootable PC in BIOS and reboot the computer from the WinPE bootable hard drive. You will be redirected to the main program window of the EaseUS section.

Fix 1. Check And Fix Boot Disk Errors

Right-click the startup disk and select the Verify Partition option. Then select a method to test your hard drive and click OK. The program will automatically scan the hard disk partition and fix errors. Finally, click OK to complete the process.

Fix 2: Fix MBR (Master Boot Record)

Part 2: Correct Removable Boot Volume From Windows Installation CD / Floppy

How do I fix Unmountable boot volume without CD?

Part 1. Fixing a boot volume not mountable without CD
  1. Step 1: Open EaseUS Partition Master on your computer.
  2. Step 2. In the "Check the file system" window, select "Fix errors if found" and click "Start".
  3. Step 3: The program will start checking the file system of your hard disk partition.

If you do not want to use third party software, you can create a Windows installation CD / floppy disk to solveThe problem with disconnecting the boot disk. Before you start, first boot your computer from a bootable CD or USB device, then select "Repair your computer" in the Windows setup window to access the "Choose an option" menu.

Fix 1. Start Automatic Repair

Fix 2. Use SFC / SCANNOW To Restore System Files

Fix 3. Run CHKDSK To Repair Your Boot Disk

Fix 4: Fix MBR

Part 3. Recovering Data When A Non-working Boot Volume Error Occurs

how to fix unmountable boot volume in windows 7

As mentioned above, if you have important files stored on PC and need to get them back urgently, you can directly learn how to recover data from PC that won't boot. All you need is EaseUS Pro Data Recovery Wizard with bootable media. It is primarily designed for data recovery cases in the event of a system crash or boot problems. Try to recover files when the hard drive is dead, damaged or out of order.

What causes Unmountable boot volume?

Part 1. Fixing a boot volume not mountable without CD
  1. Step 1: Open EaseUS Partition Master on your computer.
  2. Step 2. In the "Check the file system" window, select "Fix errors if found" and click "Start".
  3. Step 3: The program will start checking the file system of your hard disk partition.

Make sure everyone is toughdrives and other peripherals are properly connected and recognized by the software. Update the external device if necessary. From which disk was the data lost? Select the appropriate hard disk partition by left clicking on it. Click the Scan button.

EaseUS Data Recovery Wizard will take some time to complete the scan. It depends on the space used on the selected hard drive. As you can see, the files will be deleted first, later all data will be lost. You can try to recover the lost data as soon as it appears, even if the scanning process has not finished yet.

Browse and select the files you want. Click the "Recover" button to save it to a safe place. It is better to choose a different drive to avoid overwriting data.


You have discovered 6 effective methods to solve the problem with disconnecting the boot volume. You can try to fix the disconnected boot disk in Windows 10. Also, this video can effectively fix the proliferation Fixed blue screen errors. You can follow the details in the video. If you have a better solution to fix disabled boot volume please share and let us know.







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