How to Use Your Mac Laptop in Closed-Display (Clamshell) Mode
You can use your Mac laptop in closed-display mode (also known as “clamshell” mode) if you have an external display attached. Sometimes closed-display mode isn’t convenient. For instance, I have a 16-inch MacBook Pro connected to a 27-inch LG UltraFine display. If I want the external monitor to act as a True Tone monitor, I have to have the Mac...