I've had this NUC Id for a month or two. It's worked OK until today when several failed attempts at start-up ended with an "A bootable device has not been detected" message.
This is the NUC information: Id 25.0.11 MC 26.0.107-2 Engen 1.0.69, NUC 300 7CJYH
I'd welcome any suggestions! Thanks, Mark