Can't control monitor volume with keyboard on 2018 Mac mini
32720
How do I control Macbook volume when a DP display is connected?
90605
MacBook Pro (mid-2012) Microphone Input
60465
How to turn off monitor by hotkeys?
38337
How do I disable the sleep button on my keyboard?
2543
How can I quickly toggle monitor orientation with a shortcut key?
43149
Multi-output MIDI device disables volume control
125391
How to accept USB as audio input for New Macbook Pro Retina?
123749
HDMI/Displayport audio control for OS X
84387
Terminal command to set audio volume?
27308
How can I change the default audio device from command line?
157542
Force sound's output on speakers
10085
How do I make OS X auto focus on the window in the screen the mouse moves into?
13057
How can I remap the volume buttons for custom use?
73071
How can I control the master volume in Windows?
103473
macOS cpu/mem monitor in system tray (menu bar)
34258
How to restrict mouse to current display?
142977
How to move windows around and between monitors, using keyboard short cuts?