Solution 1: Enter Grub Mode For “unknown filesystem grub rescue” errors, one of the most common methods is to use the command line to fix grub.
Solution 2: Automatic Repair BCD Files Using Windows 10 When Windows 10 fails to start, you can restart the system multiple times and the system will enter WinRE mode.
Solution 3: Rebuild MBR Using a Reliable Software
Welcome to GRUB! error: unknown filesystem Entering recovery mode If you encounter a rescue shell, it usually means that GRUB2 often failed to load a “regular” module. The live CDs said that the backup module is often all we need. Sometimes. Let’s analyze the disks, which sections are presented:
When I turned on my laptop and started it, grub rescue error appeared on the screen. Can anyone help me solve this problem? The reason for this process error may be that you have performed an emergency removal of a partition that has a second/dual operating system installed. For example, could it be a dual boot PC between Windows and Linux?
How do I fix unknown filesystem in rescue mode?
Locate the Ubuntu partition and the folder containing the GRUB modules. Download modules. Find the Ubuntu ISO file. Create as a loop device. Download the Linux kernel systems and the initrd image. Boots.
How do I fix unknown filesystem grub rescue in Windows?
What to do if the Grub recovery file system is unknown?
How do I fix grub rescue unknown filesystem?
First, boot Ubuntu in the same way from the ISO image.
- Find the Ubuntu partition and the folder containing all the GRUB modules.
- Load modules.
- Locate the Ubuntu ISO file.
- Create a basic loop device.
- Download the Red Hat kernel and initrd image.
- Start.
How do I remove grub rescue unknown filesystem?
What if the complete Grub Rescue system is unknown?
- Boot ten windows from the installation media and look for the “Repair your computer” option.
- Click “I would say” in the “Troubleshooting” tab and find “What to restore the system”< /li>
- You can also try the automatic repair option.
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How do I remove GRUB rescue unknown filesystem?
What to do if the Grub Rescue Doc system is unknown?
- Boot Windows 10 during installation and select the Repair your computer option.
- Go to the Troubleshoot tab and select System Restore to restore the restore point you previously set at #1. You can also
- try the automatic repair option.
Why does Grub rescue say unknown filesystem?
There is another reason for this problem. In this particular case, GRUB got corrupted somehow and needed to be repaired or reinstalled. However, as Grubs Rescue mentioned, forget with “Boot Repair” with Down “unknown file, this is system”, it’s also possible that usually the root partition where GRUB is installed is corrupted. To solve this problem:

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.