Ubuntu root mount failed and also fsck not found at initramfs

Question

fsck /dev/sda1  -->/bin/bash: Output: not found

Answer 1

Remove HDD from system connect it to another system on second SATA port alongside with that HDD and turn ON system

Open terminal

Find the device label of that HDD using

sudo lsblk

for example if it is /dev/sda1 then run below command in terminal

If fsck is not working then try

sudo e2fsck -f -b 32768 -y /dev/sda1