Repairing Ubuntu Linux OS
You are Welcome! The Linked Tutorials Show You Step-by-Step How to try Recover/Fix/Repair a Ubuntu GNU/Linux Repair Broken System.
Especially relevant: this Ubuntu Reparation workflow is working also in case of an “input/output”, “fatal error” and error (2) Issues!
Finally, this an Ultimate Procedure to try to get Recovered your Ubuntu system from a severe Issue.