You will be shown the grub rescue command line.
Run ls to see the names of the available partitions.
Run ls (partition name) to check if it has got any booting file.
Run set root=(partition name) .
Run set prefix=(partition name)/boot/grub .
Run insmod normal.
Run normal.
You have to find out which partition is your Linux in and where the grub directory is.
Type “grub rescue>ls” and hit “ENTER” to list all disks and partitions.
Type “grub rescue>ls (hd0,0)/grub and hit “ENTER”.
Method 1. Use a Windows bootable USB stick This part of the content is going to outline the method on a Windows 10 system, but it’s very similar for Windows 7 and 8 too. First, you need a Windows 10 installation CD/DVD or bootable USB drive. 1.
Method 2. Enter grub mode to fix grub
Method 3. Rebuild MBR with third-party software
What if the disaster recovery file system is unknown at all?
Start by booting Ubuntu from an ISO image.
What if or when the grub rescue filesystem is also unknown?
What if the Grub-Rescue file system is not exactly known?
What to do if you find that the Grub-Rescue file system is unknown?
What to do if the file system for saving grub is unknown
Get shoes and boots in Ubuntu from an ISO image.
What to do and do if the Grub-Rescue system archive is unknown?
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What to do if you find that the Grub-Rescue file system is unknown?
What to do if the recovery file system is unknown?
Cause of “Grub Rescue Unknown Track System” The reason for this manual error could be that you have erased the partition at a high level that has a second/dual operating system. For example, it could be a public dual-boot PC between Windows and Linux. However, you have deleted the Linux partition.
Grub Rescue in Windows XP, Windows Vista and Windows 7. About “No error: such partition. Grub Rescue” The following information about this error has been compiled by NeoSmart Technologies and created based on information collected and submitted by our network engineers, developers and technicians or partner groups.
If you’re getting the fatal error “Error: unknown file system”, it’s not always your Ubuntu partition. If it is indeed an Ubuntu partition, navigate to the Ubuntu folders including Lost+Found/, Home/, Boot/ and vmlinuz and initrd.img. Use this address primarily as part of the next command. mark vii – (hdx,y)/boot/grub should show some *.mod files.
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