Run fsck Command / device system name : /dev/sda1

sudo fsck /dev/sda1

5. Restart the system and boot normally.

* The laptop booted normally after the fix.

SOURCE :

https://ckahiaku.wordpress.com/how-tos/ubuntu-issues-solved/how-to-fix-an-ubuntu-errorinitramfs-_/

https://medium.com/@aterro51/linux-how-to-fix-linux-mint-initramfs-prompt-at-boot-a6bced4fe49f

(initramfs) exit