When I turn on my PC, it says:
Case 1
BusyBox v1.17.1 (ubuntu 1:1.17.1-10 ubuntu1) buil-in shell (ash)
enter 'help' for a list of built-in commands.
(initramfs)_
Case 2
In Recovery Mode, it says:
706-4e 6e-9416-17889748 bbd onb /root failed:input/output error
Begin:running/scripts/local booting...done
done.
Begin:running/scripts/local booting...mount:mounting/dev on /root/dev failed :no such file or directory
done.
mount:mounting/sys on /root/sys failed :no such file or directory
mount:mounting/proc on /root/proc failed :no such file or directory
Target filesystem doesn't have a requested /sbin/init.
No init found. Try passing init=bootarg.
BusyBox v1.17.1 (ubuntu 1:1.17.1-10 ubuntu1) buil-in shell (ash)
enter 'help' for a list of built-in commands.
(initramfs)_
[ 34.664739] atkbd serio0: unknown key pressed (translated set2, code 0xd9 on isa0060/serio0)....