By default, all laptops dim their display when running on battery power. Decreasing the brightness often helps conserve battery power, allowing you to use your laptop longer when it's unplugged. However, if you want to increase the brightness when on battery power, you can adjust those settings.
Power settings
In Microsoft Windows, you can adjust the settings for brightness when the laptop is running on battery power.
Windows 8 and Windows 10
Oct 08, 2019 Download and install ExternalDisplayBrightness. This app needs special accessibility access. Once granted, you will see the app’s preferences that allow you to choose which keys will control brightness for external displays. You will have to set two keys; one for increasing the brightness. Mar 24, 2010 So I have a battery savings profile on Setting Profiles and I have the screen set at around 25%. Problem is that in the sun I have a very hard time seeing the screen. I set it on auto brightness just now (which I like the best), but how bad is it for the battery life from day to day?
- Open the Windows power settings by right-clicking the power or battery icon in the Systray and selecting Power Options.
- In the Power Options window, select the High performance power plan, if available.
Jan 17, 2017 Tumblr Finally, we’ve got some increased visibility around how our MacBook Pro’s battery gets affected by screen brightness. A new feature introduced. Jun 20, 2018 Alternate Ways to Chang/Adjust Mac Display Brightness on OS X (10.13.2) by using intensity function key or by Setup Automatically adjust brightness. Luminous Display spends more Power since battery drain so use full brightness if and only if it requires. According to condition, we always adjust our MacBook Pro or MacBook Air or useful Gadgets.
If you do not see a High performance power plan in Power Options, you can create one to use by following the steps below.
Macos Display Brightness Bad For Battery Problems
Jul 12, 2017 MacBooks attempt to automatically manage your display brightness for you, dimming the display when you step away from an outlet and adjusting the brightness to suit the overall light level nearby. But you can adjust the brightness manually and even disable these features, if you like. Nov 05, 2019 How to extend your battery life. Lower your display’s brightness. The biggest use of battery resources is your Mac’s screen. Adjust its brightness. Click the Apple menu System Preferences Display and click the Display tab and adjust the brightness slider. You can also check the box “Automatically adjust brightness”.
- In the Power Options window, in the left navigation pane, click the Create a power plan link.
- Under Create a power plan, select the High performance option.
- In the Plan name text field, enter a name for the new power plan, then click Next.
- Under Change settings for the plan, select an option for Turn off the display and Put computer to sleep. You can choose to leave both set to Venver, or select the number of minutes or hours from the drop-down list for each option.
- Click Create to create the new power plan.
After creating the new power plan, it is automatically selected as your current power plan.
Windows Vista and Windows 7
![Macos display brightness bad for battery charger Macos display brightness bad for battery charger](/uploads/1/2/6/5/126586187/775860636.png)
If you have Windows Vista or Windows 7, try one of the options below to increase screen brightness while on battery power.
![Macos display brightness bad for battery problems Macos display brightness bad for battery problems](/uploads/1/2/6/5/126586187/398901292.jpg)
- Click the power or battery icon in the Systray.
- Select the High performance option to increase screen brightness.
or
- Right-click the power or battery icon in the Systray.
- Select Power Options or similar entry in the pop-up menu.
- In the Power Options window, select the High performance power plan and click OK.
Older computers or BIOS setup
Older computers or those not running Windows often can adjust the brightness settings through BIOS setup.
Once in the BIOS setup, look under the power, display, or video setting menu, depending on the make and model of your laptop. Check for brightness setting options under those possible menus.
Additional information
- See our battery definition for further information and related links.