macOS · Display & Sound
Adjust Display Settings on Mac
Displays settings let you change resolution, brightness, arrangement of multiple monitors, and features like Night Shift and True Tone for more comfortable viewing.
How to open Displays Settings
- Open System Settings → Displays.
- Select the display you want to adjust from the layout at the top.
- Change resolution, brightness, or Night Shift settings.
- Drag display icons to match your physical arrangement.
What you should know
- Choose 'Default' or a specific scaled resolution for sharper text or more screen space.
- Drag displays in the Arrangement view to match your physical desk setup.
- Night Shift automatically shifts colors warmer in the evening to reduce eye strain.
- External displays can be configured individually when multiple are connected.
Using a non-native resolution on an external display can make text look blurry — 'Default for display' usually looks best.
Why it matters
Getting resolution and arrangement right directly affects daily comfort — text that's too small or blurry, or a second monitor arranged incorrectly, makes everyday work more tiring than it needs to be. Night Shift and True Tone settings can meaningfully reduce eye strain during long sessions, especially at night. Multi-display setups are common for Mac users, and mismatched configuration is one of the most frequent sources of frustration when adding an external monitor.
Best practices
- Use 'Default for display' resolution on external monitors rather than a custom scaled option, unless you specifically need more screen space.
- Drag display icons in the Arrangement pane to physically match your desk layout, so cursor movement between screens feels natural.
- Turn on Night Shift for evening use to reduce blue light and ease eye strain before bed.
- Set the menu bar to appear only on one display if using multiple monitors and finding it distracting on all of them.
Common problems and fixes
- External monitor text looks blurry or fuzzy.
- Switch to the display's native resolution under 'Default for display' rather than a manually scaled 'More Space' option, since scaling non-native resolutions causes softness.
- Mac doesn't detect a connected external display.
- Check the cable and port (especially with adapters or hubs), then hold Option while clicking 'Detect Displays' in Displays settings to force a rescan.
- Display arrangement keeps resetting after sleep or reconnecting a monitor.
- Re-drag the displays into the correct arrangement, and check for a firmware or driver update for the monitor or dock, since flaky USB-C hubs are a common cause.
Tips and tricks
- Hold Option while clicking 'Detect Displays' to reveal additional resolution options that aren't shown by default.
- Use Mission Control settings to control whether each display has its own set of Spaces, which changes how app windows behave across monitors.
- True Tone can be toggled quickly from Control Center without diving into Displays settings each time.
Frequently asked questions
What's the difference between mirroring and extending displays?
Mirroring shows the same content on every display, while extending gives you separate desktop space on each display for more room to work — both are toggled in Displays settings.
Why does Night Shift not seem to be doing anything?
Check that a schedule is actually enabled, or manually turn it on for the rest of the day, and confirm your Mac's clock and location settings are correct, since Night Shift's schedule relies on them.
Can I set different resolutions for each of my displays?
Yes, Displays settings lets you select and adjust each connected display independently by clicking on it in the layout at the top of the pane.
Related settings
- Sound & NotificationsSound settings control input/output devices and alert volume, while Notifications & Focus let you decide which apps can interrupt you and when — including scheduled Focus modes like Work or Sleep.
- Bluetooth DevicesBluetooth settings let you pair and manage wireless accessories such as keyboards, trackpads, mice, headphones, and speakers with your Mac.
- Accessibility SettingsAccessibility settings on Mac include VoiceOver screen reading, Zoom for magnification, Voice Control, and many vision, hearing, and mobility features to make macOS easier to use.
More Display & Sound guides for macOS
- FocusFocus lets you silence notifications and distractions while you concentrate on a specific task, like work, personal time, or sleep. You can allow only certain people and apps through, and each Focus can turn on automatically on a schedule or when you open a certain app.
- AppearanceAppearance settings control whether macOS uses a Light or Dark theme, or automatically switches between them based on time of day, along with accent color, highlight color, and sidebar icon size preferences.
- WallpaperWallpaper settings let you choose a still image, Apple's dynamic or live wallpapers that change with time of day, or your own photo collection to display as the Desktop background, with independent options per display.
- Night ShiftNight Shift automatically shifts the colors of your display to the warmer end of the spectrum in the evening, based on a schedule or sunset-to-sunrise timing, to reduce blue light exposure before bed.
- True ToneTrue Tone uses the Mac's ambient light sensors to automatically adjust the display's white balance to match the surrounding lighting conditions, making white appear consistently natural under different light sources.
- Sound Output & InputSound Output & Input settings let you select which speakers or headphones play audio and which microphone captures it, and adjust device-specific levels like output volume balance and input gain.