Latest Mac update, frozen screen? Anyone else having issues?
Did the latest update and now my MacBook Air is frozen with the Apple logo screen. What to do ….
iMac, OS X 10.10
Which exact model is your MacBook Air? Is it still running OS X 10.10 (Yosemite)? Which exact update are you referring to?
Have you tried booting up your Mac in Safe Mode? Ref: Use safe mode on your Mac - Apple Support