Desktops
Q: Installed Sierra . At start up, around Apple Logo area turns RED, PROGRESS BAR turns GREEN for 1/2 sec. all disappears for 4sec. then to main screen. At shut down No progress wheel.
AS stated above
Posted on Sep 21, 2016 9:35 PM
by AlanWM,Solvedanswer
Mac OS X
I also get the red square behind the apple logo for a split second during boot on my late 2015 iMac. No green bar tho. Does not happen when booting in safe mode.
Posted on Sep 22, 2016 2:30 AM