Unable to resolve Grub Rescue issue on Ubuntu despite a lot of research

I had same problem with my Dell Latitude I reinstall ubuntu with boot partition them miracle it work. Your partition table table should like this

• Boot 1- 10 GB
• / Root (I have put 120)
• Swap Just little bit more than your RAM
• Home Partion

Importnat : Please read the full post from top to bottom.

1.Grub Rescue error generally occurred when we deleted the Linux /ubuntu partition from our system.

when we restart our system the grub rescue error is occurred first we have try this following approach to resolve this problem

A. grub rescue> ls

(hd0) (hd0,msdos5)

(hd0,msdos1) (fd0)

grub rescue> ls (hd0,msdos5)

(hd0,msdos5): Filesystem is unknown.

grub rescue> ls (hd0,msdos1)

(hd0,msdos1): Filesystem is ext2.

we check all the partition and found in which partition is showing the "Filesystem is ext2.".

now follow the step B.

B. grub rescue> set prefix=(hd0,msdos1)/usr/lib/grub

grub rescue> insmod normal

grub rescue> normal

Important:-Here "hd0" id the partition name in which we have "Filesystem is ext2."

if problem is solved then pretty well ,Otherwise go to in step 2.

2.if in above step "A" you have not found any partition which having the "Filesystem is

ext2." then follow the

A. take a pendrive up to 8 GB capacity

B. make it bootable.(if using ubuntu no need to make bootable)

C.HOW TO GET AND USE THE DISK:

(1) DOWNLOAD BOOT-REPAIR-DISK, link :https://sourceforge.net/projects/boot-repair-cd/files/latest/download

(2) Then burn it on a live-USB key via Rufus or Unetbootin . (do not burn it on CD/DVD if your PC came with Windows8/10)(if you are using ubuntu no need to make bootable to pendrive)

(3) Insert the Boot-Repair-Disk and reboot the PC,

(4) Choose your language,

(5) Connect internet if possible

(6) Click "Recommended repair"

(7) Reboot the pc --> the issue will resolve. thanks for reading the post.

if issue again persist then please ask me again. I will definitely answer you.

IT WORKED FOR ME UST FOLLOW ALONG i know its little old to answer this now...

find the whole tutorial in my git account link

https://github.com/katilalloyd/fixing-error-file-normal.mad-not-found-entering-grub-rescue-stack-overflow give me a star kindly

STEP 1 : try to get into grub do this uset set to locate where grub is installed in your case it would be msdos1 partition

STEP 2 :set root and prefix

set root=(hd0,msdos1)

then type:

set prefix=(hd0,msdos1)/usr/lib/grub

STEP 3 :TRY insmod

insmod normal

this should not give out an error .If so reset the root partition or use the ls to find the ext4* partition

STEP 4:ENTER GRUB type the normal command to enter grub

normal

DONT FORGET YOUR EXT4 PARTITION

STEP 5 : Find the ;lost and found files

ls (hd0,msdos1)

atleast your output should begin with "lost+found" and contain /boot/ and /etc/

STEP 6: List the vm and intrd

ls -l (hd0,msdos1)/boot

note the vmlinuz in my case it was "vmlinuz-5.15.0-kali.0amd......."not really sure

NOTE FOR GPT USERS vmlinz might contain generic

PICK THE LAST vmlinuz in the list if you have multiple

ALSO NOTE "initrd.img....." code name**

STEP 7 : **SET ROOT **

set root=(hd0,msdos1)

STEP 8 : SET vmlinuz and intrd

linux /boot/**enter here your vmlinuz name code then one space**  root=/dev/sda1        

#**for hd1 users use sdb hd2 users use sdc hd3 users use sdc **

next set the initrd

initrd /boot/**initrd.....ENTER YOUR INITRD CODE NAME

** if you recorded no errors then you are almost done easy right!!!

boot

system should boot successfully

FINAL: UPDATE & INSTALL GRUB press

ctr +alt + t to the terminal enter :

sudo update-grub2

install grub

sudo grub-install /dev/sda1

wallah reboot and see the magic

find the whole tutorial in my git account link

https://github.com/katilalloyd/fixing-error-file-normal.mad-not-found-entering-grub-rescue-stack-overflow