Only see "Off" option on AirPlay Display
110841
AirPlay turned off and can't be turned on
70486
How do I prevent the iPhone screen from dimming or turning off while my application is running?
18350
How can I prevent the display on an iOS device from dimming and turning off?
95794
How can I automatically switch off internal screen when an external screen is connected?
34258
How to restrict mouse to current display?
88310
Can I enable hiding the dock on my MacBook monitor only?
104680
How do you turn on and off a monitor from within a Java application?
101419
Is there any way to make a hotkey turn the screen off?
4378
Move an off-screen window back on-screen on Mac OS X
147657
How do I disable the volume control overlay?
51315
How to turn off the display via the command line?
47178
How do I turn off audio echo from microphone to local speakers?
66722
Is there any way to detect the monitor state in Windows (on or off)?
20806
AVFoundation, how to turn off the shutter sound when captureStillImageAsynchronouslyFromConnection?
114012
Disable sound through HDMI permanently
141521
How to enable display on Dell monitor connected to MacBook Pro when not charging?
17196
Set HDMI sound output automatically on connect/disconnect