How to Stop Dimming MacBook Display on Battery

Over time you may find that you need to do things on your Mac like free up some storage space or change some settings.

Additionally, you may notice that your screen isn’t as bright as you would like it to be. MacBooks generally have very good batteries that can last several hours on a single charge. But, like many other digital devices, one of the biggest drains on the battery is the screen.

Your MacBook has a setting where it will automatically dim the display slightly when you are on battery power. This is effective in making the battery last longer, but you might find it difficult to read what’s on your screen.

Our tutorial below will show you where to find and change this setting if you would prefer that your screen not dim when you’re using battery power.

How to Stop Your MacBook Screen from Dimming on Battery

The steps in this article were performed on a MacBook Air in macOS High Sierra. The steps in this guide assume that your screen will currently dim slightly when you are on battery, and that you want that to stop.

Step 1: Open the System Preferences menu.

how to stop dimming macbook screen on battery

Step 2: Select the Energy Saver option.

why does macbook screen get dimmer on battery

Step 3: Click the Battery tab at the top of the menu.

change macbook battery setting

Step 4: Click the box to the left of Slightly dim the display while on battery power to remove the check mark.

stop screen form dimming while on battery macbook

Now that you know how to stop your MacBook from dimming on battery you can make it easier to see the content on the full screen at its full brightness level.

Are you worried that your MacBook password isn’t secure enough? Find out how to change your login password if you are worried about your security, or if there’s someone that knows the password and you don’t want them to be able to sign into your computer.