If the recommended battery temperatures are exceeded, charging may stop at 80%.Ĭlean the port: Make sure the port is clean and free of debris. If you use your Mac in a poorly ventilated space like under a blanket or on thick carpeting, the adapter might turn off to prevent overheating. Mac laptops work best at 50° to 95° F (10° to 35° C) ambient temperatures.
Let it cool down: Move your Mac to a cool, well-ventilated spot.
Check the port, the charging cable, the power adapter, and the AC wall adapter. Inspect the hardware: Make sure everything is plugged in and undamaged. See Check the condition of your Mac laptop’s battery. All rechargeable batteries become less effective as they age. Your Mac laptop may not be charging because of an issue with the battery, power adapter, or other physical hardware.Ĭheck the battery condition: Your Mac laptop may not be charging because of an issue with the battery. See If your Mac battery won’t charge completely. You may be able turn off these features in Battery settings. Turn off battery health features: It’s normal for your Mac laptop to stop charging before 100% to optimize or extend the lifespan of the battery. For other Mac computers, see the Apple Support article Reset the SMC of your Mac. If you have a Mac with Apple silicon, just restart your computer. Reset the SMC: Reset the System Management Controller (SMC), which controls how your Mac manages power.
#MACBOOK RESTART SMC UPDATE#
See the Apple Support article Update macOS on Mac. Update the software and firmware: In some cases, software or firmware updates might be available for your computer that improve communication with your power adapter. Connected devices, and settings such as brightness, can also drain the battery. For example, some apps-such as video editing software and video games-can require more power and drain the battery more quickly. Your Mac laptop may not be charging because of a high performance level, the software, or Battery health settings.Īvoid draining the battery quickly: Your computer may be running at a very high performance level that uses more power than the power source provides. Get started with accessibility features.Use Sign in with Apple for apps and websites.Watch and listen together with SharePlay.Share and collaborate on files and folders.Sync music, books, and more between devices.Make and receive phone calls on your Mac.Use one keyboard and mouse to control Mac and iPad.Use Live Text to interact with text in a photo.Make text and other items on the screen bigger.
#MACBOOK RESTART SMC INSTALL#
Install and reinstall apps from the App Store.
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