How to figure out if a MacBook power adapter or battery has gone bad<article>
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<p>You plug in your adapter to your laptop, and the battery doesn’t charge reliably. Sometimes, your Mac dings to let you know it’s plugged in to power; other times, you have to plug and unplug, or even restart your computer. What’s up?</p><p>Battery charging involves three separate elements, so you have to go through a process of troubleshooting to identify which one is faulty.</p><h2>The battery</h2>
<p>For several releases of macOS, Apple has provided alerts and information about the health and status of a laptop’s battery. macOS warns you if something’s actively wrong with a battery when it determines this.</p><p>In macOS Catalina and earlier, you can Option-click the battery icon in the menu bar, and get a little more insight about the state of the battery. In macOS Big Sur, there’s a lot more detail about the battery available by default, but the condition is nested more deeply: go to the Battery preference pane, click
Battery, and click
Battery Health.</p><p class="jumpTag"><a href="/article/3602468/how-to-figure-out-if-your-power-adapter-or-battery-has-gone-bad.html#jump">To read this article in full, please click here[/url]</p></section></article>
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How to figure out if a MacBook power adapter or battery has gone bad
