Separate articles that explore this topic in more detail.
- General Questions
Find help with app settings, downloads, updates, languages and diagnostics.
- App Menu
Find displays and customize the menu’s appearance, contents and behavior.
- HiDPI and Desktop Size
Make text comfortable to read and understand HiDPI clarity, desktop size and performance.
- Display Modes and Resolutions
Find missing modes, choose output resolutions and manage favorite display modes.
- Refresh Rates
Understand refresh-rate choices, reporting, protection and their interaction with HiDPI and HDR.
- EDID and System Configuration
Edit display definitions, apply custom configurations and understand how overrides are shared.
- Brightness and Dimming
Adjust brightness, synchronize displays and keep dimming within a useful range.
- HDR and XDR
Set up HDR and XDR brightness, troubleshoot upscaling and understand reference presets.
- Color and Image Quality
Understand color profiles, RGB output, image adjustments, dithering and color depth.
- DDC and Monitor Inputs
Troubleshoot hardware commands, monitor input switching and DDC communication.
- TV Control
Connect supported TVs and use their network controls, input selection and service features.
- Display Detection and Hardware
Troubleshoot missing displays, connection limits, adapters and hardware identification.
- Turning Displays Off
Disconnect or blank a display and understand automatic built-in display disconnection.
- Sleep, Wake and Startup
Restore display connections and settings after sleep, undocking or restarting.
- Display Layouts
Arrange displays, understand window movement and switch between desk configurations.
- Keyboard and On-Screen Feedback
Choose which display responds to brightness keys and customize shortcuts and on-screen feedback.
- Audio and Volume
Set up monitor volume, choose keyboard audio targets and troubleshoot mute and feedback sounds.
- Virtual Screens and Mirroring
Create virtual desktops, choose their geometry and manage mirroring and reconnection.
- Streaming and Picture in Picture
Position, crop and interact with streamed desktops and Picture in Picture windows.
- Recording and Screen Sharing
Prepare a recording desktop and understand capture, notifications and protected-video limitations.
- Remote Displays, Sidecar and AirPlay
Use virtual desktops remotely and troubleshoot Sidecar, AirPlay and remote input.
- Shortcuts and Automation
Build shortcuts for display modes, image adjustments, monitor inputs and saved configurations.
- Command Line and Integrations
Select displays and send commands through the CLI, URLs, HTTP and other integrations.
- Licensing Questions
Find answers about trials, activation and personal licenses, including purchases for several Macs.