![]() If you know of another way of adjusting the brightness of a Mac display from the command line, let us know in the comments below. You can view the ‘brightness’ source on GitHub if you are interested in how it works or want to review it. To dim Mac screen brightness to 25% dim setting: To turn Mac display brightness to halfway point: To turn Mac screen brightness to 100% brightest setting: The ‘brightness’ tool is easy to use as long as you have Homebrew installed on the Mac, so assuming that’s the case let’s install the ‘brightness’ tool with the following command:Īfter ‘brightness’ has installed, you can use it as follows: The Go to Settings option appears when you release your finger from the button. Alternatively, on a touch device, perform a long press on the button with your finger. Select Go to Settings with the left mouse button. How to Change Mac Screen Brightness via Terminal with ‘brightness’ Right-click the brightness button in the Action Center with your mouse to open a pop-up menu. You can also use the ‘run last command’ !! trick to effectively dim the setting another notch. Therefore you can repeat that command to lower the brightness more if needed. Osascript -e 'tell application "System Events"' -e 'key code 144' -e ' end tell' How to Decrease Mac Screen Brightness from Command Line with AppleScriptĮxecuting the following AppleScript at the command line will dim the screen brightness by one notch, like pressing the brightness down key once on a Mac keyboard: ![]() Moreover, it features Smart Illumination, which automatically turns on the backlight when youre near and can also adjust its brightness depending on. ![]() Run that command several times to increase the brightness more, you can use the up arrow and return trick to run it again, or you can use the !! to re-run last executed command tip as well. By downloading the Logitech Options software and using the Logitech Flow feature, users can navigate, copy/paste text, images, and files between three Windows and Mac computers simultaneously. Osascript -e 'tell application "System Events"' -e 'key code 145' -e ' end tell' How to Increase Mac Screen Brightness from Command Line with AppleScriptĮxecuting the following Apple Script at the Terminal of MacOS will increase the screen brightness by one notch, like pressing the brightness up button on a Mac keyboard: And then turn on Automatically adjust brightness. First we’ll show you a handy way to increase or decrease Mac screen brightness using osascript at the command line, and we’ll also show you a handy third party command line tool to change display brightness from the Mac Terminal as well. You can go to Apple menu > System Preferences, click Displays, then click Display.
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