How to change brightness on Mac: Simple adjustments

Enhance Your Mac's Monitor Brightness: A Comprehensive Guide

Boosting your Mac's screen brightness is achievable without resorting to risky hacks. Whether you're working outdoors or need higher brightness for specific tasks, this guide provides efficient methods for adjusting brightness on single or multiple monitors.

Troubleshooting Dim Screens

A completely black screen usually indicates a shut-down Mac, sleep mode, or a disconnected monitor. However, if your monitor is on but too dim, the solutions below are more relevant. While macOS typically limits brightness to 500 nits, modern Macs offer significantly higher capabilities, especially when playing HDR video.

Unlocking Maximum Brightness with Vivid

For MacBook Pro and Pro Display XDR users, Vivid can dramatically increase brightness to up to 1600 nits. This isn't a system hack; it simply utilizes your monitor's full potential. After installation, Vivid integrates with your brightness keys (F1-F2) for easy control. A split-screen comparison will highlight the difference.

Important Note: Higher brightness consumes more battery power. To mitigate this, use Endurance (see below) to manage power-intensive processes and activate Low Power Mode.

Manual Brightness Adjustments

Without Vivid, you can adjust brightness using these methods:

• Function Keys: Press F1 (decrease) or F2 (increase). Holding Option Shift allows for finer adjustments.
• Control Center: Click the Control Center icon (top-right), then adjust the Display slider.

To disable automatic brightness adjustment based on ambient light, go to System Preferences/System Settings > Displays and uncheck "Automatically adjust brightness."

External Display Brightness Control

Adjusting external display brightness depends on its compatibility. Apple displays and LG UltraFine monitors typically integrate with macOS settings, allowing brightness control via System Preferences/System Settings > Displays. For other displays, DisplayBuddy offers granular control over brightness, contrast, and volume for all connected monitors.

Dimming the Display on Battery Power

To conserve battery life, dim your screen when unplugged:

1. Open System Preferences/System Settings.
2. Go to Battery settings.
3. Select "Slightly dim the display while on battery power."

For more customized control, use Endurance to automatically activate Low Power Mode (and screen dimming) at a specific battery percentage.

Setapp for Advanced Control

Setapp offers a suite of apps, including Vivid, DisplayBuddy, and Endurance, providing comprehensive display management. A 7-day free trial is available. Manual adjustments remain a viable option for non-Setapp users.

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