crwdns2934241:0crwdne2934241:0 Dan

crwdns2934249:0crwdne2934249:0:

Sounds like you had Catalina installed and then added Mavericks which messed up the boot partition. You’ll need to see if installing Catalina again fixes things.

crwdns2915684:0crwdne2915684:0:

open