macOS automatically adjusts the brightness of your Mac according to the ambient lighting conditions to enhance your viewing experience.
Hence, when you are in a dark environment, the brightness automatically becomes low.
Unfortunately, auto brightness does not always work reliably which causes annoyance.
Thats the reason many would prefer to disable auto brightness on Mac.
More often than not, it fails to read the ambient lighting conditions.
As a result, the brightness is put either too high or too low.
And when it happens, you cant help feeling irritated.
In terms of effectiveness, I would give the auto brightness of Mac not more than 50% accuracy.
Thats the reason why I prefer to keep it turned off.
Fortunately, its not a big deal to get the better of this feature.
1.To get started, open theSystem controls appon your Mac.
2.Now, scroll down and chooseDisplays.
3.After that, turn off the toggle for theAutomatically adjust brightness.
Going forward, macOS will no longer automatically fine-tune the brightness of your Mac.
Thus, you wont have to deal with the unexpected brightness level of your macOS gadget.
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There you go!
So, thats how you might enable or disable auto brightness on your Mac.
But bother not, this is where we have a role to play.