How To Set Auto Brightness On Macbook Pro

Mac Automatically Lowering Brightness on Battery? Here's How to Fix it

Is your MacBook Pro or MacBook Air automatically lowering the effulgence of its display whenever it'southward on battery? This may be happening for several different reasons, simply it's nothing you tin can't fix. If y'all'd like a Mac laptop to stop adjusting display brightness on it'south own, read on.

Nigh of u.s.a. are familiar with how power efficient MacBooks are when they're unplugged. The new M1 MacBook Air promises up to fifteen hours of wireless web browsing whereas the M1 MacBook Pro takes information technology upwardly a notch and delivers 17 hours. These are some serious numbers, make no mistake. Simply, this kind of efficiency is achieved by limiting a number of dissimilar factors, and one of the means to prolong battery life involve lowering your display brightness. Having said that, if you really want to maintain college screen brightness while y'all're on battery, y'all can do that. Read along as we'll guide you on how to troubleshoot and fix automated screen dimming in macOS laptops.

Troubleshooting Mac Laptop Lowering Screen Brightness on Battery

All you demand to do is make sure two of the central features in macOS that affect the effulgence automatically are disabled. Here's how you can do that:

1. Bank check if Automatic Brightness is Enabled on MacBook Pro / Air

This is one of the about bones things that a lot of new Mac users tend to overlook. Automatic brightness is a characteristic that's enabled on your Macs past default. Enabling information technology volition automatically dim or brighten the screen based on the ambient lighting, fifty-fifty when your MacBook is connected to a power source. Follow these steps to disable information technology:

Click on the Command Center icon from the menu bar and then click on the Display card as shown in the screenshot below.
This volition requite you lot options to enable or disable sure display features. Here, click on "Display Preferences" to go on.
You'll see a new window on your screen. Here, make sure the "Automatically arrange effulgence" setting is unchecked.

That's it. If this setting was already unchecked, you can effort out the next troubleshooting step.

2. Adjust Your Battery Settings on MacBook Pro / Air

Despite disabling automatic brightness, if your screen is still dimming specifically when you're unplugged, it's likely because of the default battery settings that are set past macOS. Here'south what you need to do:

Click on the  Apple carte du jour and and then choose "System Preferences" from the dropdown menu.
From the Arrangement Preferences console, click on "Bombardment" located in the bottom row.
Here, head over to the Bombardment section from the left pane. Now, y'all'll find a setting called "Slightly dim the brandish while on bombardment ability". If this is checked, you've found the culprit. Merely uncheck the pick and you're good to go.

The screen dimming issue should be resolved now. Which setting was affecting your display effulgence?

Once you alter these settings, y'all need to go along in heed that you may no longer get the maximum rated battery life that'due south advertised by Apple. Since your MacBook is now running at a higher brightness while information technology's on bombardment, it simply won't be able to last as long. Realistically, you can expect a hitting on your battery operation, just how significant that volition be depends on what you set up your Mac laptops screen brightness to exist.

Assuming you disabled automated screen dimming features, you lot'll want to manually adjust your display brightness. If you're indoors you tin can generally accept a lower effulgence setting, whereas if you're using the laptop outdoors in the sun yous will typically need a very bright display setting.

These bombardment saving and auto-screen dimming features have existed on Mac laptops for a long fourth dimension, merely with the latest versions of macOS, Apple has changed where some of the settings are located, or relabeled some of the settings themselves. If you're on an older version of system software, or on older Mac hardware, y'all can notwithstanding make these changes even so.

Did yous stop your Mac from automatically lowering your brightness or dimming the screen while it's unplugged and running on bombardment? Which of the two brandish settings that we discussed here was affecting your screen brightness? Practice you lot have another approach to handling this situation? Share with us your experiences, feedback, and opinions in the comments section down beneath.