Got a tip for us?
Let us know
Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
multiple os
-
W
MP 1,1-5,1 Choose Startup OS/disk (not what you think)
I have a Mid 2012 Mac Pro with four operating systems on a mix of SSD and spin drives. High Sierra, Mojave, El Capitan and Yosemite and I want to be able to choose the OS it boots up into initially. It always boots up with El Capitan and in startup disk, the only option other than El Capitan is...