On Oct 31, 2019, JR wrote:
I ended up having to wipe and?restore from a TimeMachine?backup (done just?before update?attempt) as my so-called?bootable clone turned out to not be?bootable either! (Should?have double checked that too... perhaps?use the other?cloning?app next time [ I have both SuperDuper and?CCC; don¡¯t recall?which I?had used in that instance.].
I subscribe to the philosophical point of view that says that you only *think* that?you have created a bootable clone until you ACTUALLY boot from it successfully.
I try to remember to do that every time.