Categories: How to

How to Adjust the Screen Brightness of my Mac Using the Command Line?

How to Adjust the Screen Brightness of my Mac Using the Command Line?

The brightness emitted by the screens is usually intense, that is why ways have begun to be applied to make this stop emit so much blue light that it is harmful For the eyes and for the health of the eyes, that is why on Mac computers there is the possibility of Switching to dark mode automatically at night.

But, not only is this the only option that we can implement to reduce or increase the brightnesswe can also adjust this brightness through command lines on the Mac computer, for a more efficient and better done job, that’s what this guide is for, to help you and bring you the best solutions and the best ways to make this possible on your computer .

What methods can I use on my Mac PC to adjust the brightness?

To start adjusting the brightness, you should know that there is not only the possibility of using the keyboard shortcut buttons to make this possible, as there are multiple ways to do it, there is the possibility of doing it from the lines of AppleScript command that will help us to do in a more dynamic and controlled way, like using the F5 and F6 keys to increase and decrease the amount of brightness there is.

Adjust it from the command line with AppleScript

On Mac computers there is the possibility of adjusting the brightness from the command lines that we can apply in the system. To start increasing and decreasing the brightness of the computer with the command lines that we will be applying, we must first open the AppleScript command prompt and putting the following lines

  • Osascript -e ‘tell application ‘System Events” -e ‘key code 144’ -e ‘ end tell’, this command will be dimming every time you put it
  • Osascript -e ‘tell application’ System Events ” -e ‘key code 145’ -e ‘end tell’, this second command will be increase the shine every time you use it.

Change brightness via terminal with ‘brightness’

Another option is to go to the brightness terminal that is on the computer to adjust it, in the same way that we can change or remove the wallpaper of our Mac. To use this terminal, you must have previously installed ‘Homebrew’ which will give you access to this terminal thanks to its installation package and system update packages.

After this tool is installed, you can start using command to adjust brightness. To have the shine at one hundred percent, you must use the command With ‘Bringtness 1’, with the ‘Bringtness 0.5’ command you will be using half the brightness, with ‘Bringtness 0.25’ you will be reducing the brightness by twenty five percent less than it already is.

From system preferences

When we calibrate the PC monitor to play video games, we need to adjust the brightness so that when playing games the brightness that the monitor emits is not so intense, for this, we can use system preferences to do it. You will first need to go into the Dock on your Mac and go to System Preferences

After being inside this window, you will go to the screen option. On this screen, we can see a small bar which we can move to adjust the brightness that our screen hasif you have a different Mac display, you will be able to adjust and regulate the display contrast.

It is also possible to enter ‘Adjust auto brightness’with this option the Mac will be adjusting its brightness depending on the light that the monitor receives.

How to access AppleScript command line?

With the arrival of AppleScript on MacOs 7 and being present on MacOs Xwe can make use of this to execute commands which will provide us with a better interaction with the system, to access this we will have to enter a Mac browser in the Dock and place the name of AppleScript and click or enter in the result that threw us

What command should I use to adjust the brightness of my Mac computer?

By changing the Brightness of the Mac screen, we can reduce the light considerably and thanks to the different commands, we can do this easily. Some of the commands you can use are explained above, such as the example of use the command ‘Bringtness’ to decrease and increase intensity.

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