Boot into Windows 10 from the installation media and select the option “Repair your computer”.
Hit the tab of “Troubleshoot” and select “System Restore” to restore it to the restore point you set up before.
You can also try the option of “Automatic Repair”.
If you get an “error: unknown filesystem” this is not your Ubuntu partition. If this is the Ubuntu partition, you will see the Ubuntu folders, including lost+found/, home/, boot/ and vmlinuz and initrd.img. Use this address as the first part of the next command. ls (hdX,Y)/boot/grub – should display several dozen *.mod files.
Boot into Windows 10 from the installation media and select the option “Repair your computer”.
Hit the tab of “Troubleshoot” and select “System Restore” to restore it to the restore point you set up before.
You can also try the option of “Automatic Repair”.
If you get an “error: unknown filesystem” this is not your Ubuntu partition. If this is the Ubuntu partition, you will see the Ubuntu folders, including lost+found/, home/, boot/ and vmlinuz and initrd.img. Use this address as the first part of the next command. ls (hdX,Y)/boot/grub – should display several dozen *.mod files.
Updated April 2024: Stop error messages and fix your computer problem with this tool. Get it now at this linkYou will be presented with this Grub-Rescue command prompt.
Run mark vii to see the names of the most accessible sections.
Run ls (keyname) so they can check if the file is running.
Run set root=(partition name): Set
Run prefix=(partition name)/boot/grub.
Run insmod normally.
run okay.
Mount the partition containing the operating system installation.
Link to /dev! /dev/pts, /proc and /sys are in their respective directories in your /mnt folder.
Install GRUB.
Unmount the shipping directories after successful configuration.
Restart your computer several times during the download.
From the list of plans, select Troubleshoot > Advanced Options > Startup Repair.
Thus, the repair process will now begin.
Step one: Find out your root partition. Boot after having a live CD, DVD, or USB stick.
Step 2: Mount the root partition as a whole.
Step 3: Be a CHROOT. 3:
Easy 2. Clean up Grub packages. Step:
Step Reinstall the grub packages.
Step half a dozen: unmount partition:
Welcome to GRUB! error: unknown filesystem Write input If shell write mode is displayed, it usually means that GRUB2 was unable to load the “normal” part. Live CDs are great, but sometimes the ease of listening to them is all you need most. Sometimes. Let’s see which disk partitions are available:
However, as stated in Grub rescue fails due to “boot recovery failed due to unknown file system error”, it’s more likely that the root partition where GRUB is installed is usually corrupted. To fix it: This is indeed a workaround, but it should probably not be used so that your root partition is not further corrupted.
First, boot Ubuntu from a good ISO.
What if the Grub-Rescue filesystem is very unknown?
What to do if you find that the Grub-Rescue file system is unknown?
What to do if the grub Rescue database is unknown in the system?
There may be another reason for this problem. In this particular case, Grub was corrupted in some way and often needed to be repaired or reinstalled. However, since Grub repair fails and a “Recovery boot” error “unknown directory system” is displayed, it is also possible that the primary partition that implements GRUB is corrupted. To fix this type:
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What if the Grub-Rescue archiving system is unknown?
Start by booting Ubuntu from an ISO image.
What to do if the file system of the rescue grub is unknown?
What if the grub filesystem attempt is unknown?
What to do when trying to rescue a probably unknown grub-rescue filesystem?
There is another reason for this serious problem. In this particular case, GRUB got corrupted in some way and needed to be repaired or reinstalled in the market. However, it’s also possible that someone’s root partition with GRUB installed is corrupted as Grub restore fails and offers “boot repair” with an “unknown boot system” error. To take care of it:
What if the Grub-Rescue filesystem is unknown?
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