supervision
when your laptop locks, the monitor it shares switches to the desk mac.
Download for Mac
laptop
locked
desk mac
USB-C
- how
- it sets the monitor’s input to HDMI over DDC/CI. the way back is the source button.
- also
- the shield in the menu bar, or ⇧⌘ keypad −, switches by hand.
- needs
- a Samsung LS27A600U, Apple silicon, macOS 13 or later. not yet notarized.