Installing a new macOS without too much fuss or lost data

Hi all, I mentioned in my recent newsletter I am having troubles on the Mac's I upgraded to 10.13.2.  On my MacBook Air I sometimes have a locked screen, and / or I cannot enter a password (on the lock screen) and in either case have to reboot cold.  On my MacBook Pro I lose … Continue reading Installing a new macOS without too much fuss or lost data