System rescue or re-install

Hi . Need help with my system , it froze twice , re-booted and was fine . Jumped back on last night and it looks like it has gone into some recovery mode . Can I recover or is it a re-install . On Lenovo ideapad 110 ..............

.[ 1.242445] tpm_crb MSFT0101:00: can't request region for resource [mem Oxde1 8e000-0xde191fff]

BusyBox v1.27.2 (Ubuntu 1:1.27.2-2ubuntu3.3) built-in shell (ash) Enter 'help' for a list of built-in commands.

(initramfs)

Please see -

You can recover @phill. Good luck.

Also see - 18.04 Fails to Boot after updates

Thanks , I'll give them a try . Just tried some others but came up not found or no file .
Journalctl -xb
Systemctl default