in Common Problems How to change the default display on MacOS by This is Verna January 26, 2023, 2:48 am 1.6k Views Tutorial describing how to go about changing the default display when there are two or more monitors attached to a Mac device. Share this: See more Previous article iPhone LCD Glass Replacement #iPhone Front Glass Change | iPhone Back Glass Repair | iPhone Cell Fix Next article ASUS RTX 4070 Ti TUF Gaming OC Review [Overclocking | Power | Thermals]