On a MacBook, look at the upper-left edge of your keyboard.

To manually adjust this setting, either go to System Preferences > Displays> Display panel with the Brightness slider or use the correct function keys or the Touch Bar on your keyboard.

It stops the sporadic dimming or brightening.

From the Display tab there, uncheck the Automatically adjust brightness.

Click the Apple Menu at the top-left edge of the screen and select System Preferences.

Use Manual Mode to Disable Auto-Brightness in macOS You can still control the level of luminosity.

Enabling the automatic brightness option will not tie your hands in controlling the brightness manually.

Toggling off the “Automatically adjust brightness” option, your computer will still dim the screen when running on battery power with the “ Slightly dim the display while on battery power” feature enabled. If you don’t get this option here, your Mac lacks these sensors.Activate automatically tweak brightness and your Mac will utilize the ambient light sensors to automatically configure the brightness.Go to System Preferences via Apple menu and choose “Displays”.Macs with pre-installed light sensors can detect the proximate light level and automatically set the display’s brightness intensity appropriately. Automatically Adjust Brightness According to Ambient Light Solutions on How to Turn off Auto-Brightness on Mac Solution 1. Adjust Brightness for An External Display and Dim Part 3. Solutions on How to Turn off Auto-Brightness on Mac Part 2. Scroll down to discover ways to disable the auto-brightness sensors altogether.Ĭontents: Part 1.

Thus, you’ve got brightness-altering keys on how to turn off auto-brightness on Mac tooled up with an Apple keyboard. The intensity hotkeys on a Mac let you tweak an external display’s brightness manufactured by Apple. You can overcome this obstacle manually by toggling off the auto-brightness feature entirely. This makes the display brighter when the surrounding has more light or dimmer when you get into the dark. But it’s a double-edged sword as this intermittent brightness makes you fly into a rage if it’s disrupting. Mac has a built-in auto-brightness feature that fine-tunes the luminosity of the display and keyboard in tandem with ambient light.

Adjust brightness mac os