crwdns2934241:0crwdne2934241:0 Dan
crwdns2934249:0crwdne2934249:0:
So either the system files got corrupted (damaged) or the drive has failed. At this point I would try to recover the system OS files by just re-installing the OS (not altering the Apps or your Data). Do you have access to another Mac system? And you will want a fresh 32GB Thumb drive which we can setup as an OS installer.
crwdns2915684:0crwdne2915684:0:
open