How to turn off MacBook's internal display with external one connected?
59310
Turn off MacBook Pro's display while connected to external monitor on Yosemite
36320
Is it possible to “Turn off display” with power button without locking screen like in Windows. (Ubuntu 18.10)
17634
How do you turn off Bluetooth on startup using MacBook Air and macOS Sierra?
101419
Is there any way to make a hotkey turn the screen off?
97661
Can I turn off macOS Catalina's internal display without close the lid while using an external monitor?
40907
Is it possible to turn off a specific USB port so it doesn't accept any device?
75552
Why won't closing the lid sleep my MacBook Pro with external monitor attached after upgrading to Lion?
157739
How do I turn off the Screen Saver?
151480
Nearby electronic devices turn off laptop's display
113690
How to enable/disable a specific graphic card?
11068
External Monitor Screen too large
75242
Is there a way to turn off an external Apple Cinema Display remotely and continue to use the computer?
69608
Use Dell Inspiron laptop monitor as only monitor for mac mini
88469
Can I disable charging peripherals via USB?
119440
Is it possible to power off a PCIe video card/slot? (eg. hot-plug)
88310
Can I enable hiding the dock on my MacBook monitor only?
96952
Powering down the display in XP with a command