Adapters are very sensitive to heat, which is why Apple installs automatic shut-off functions for when they get too hot. If the large, boxy part of your charger remains hidden under blankets, sits in the hot sun, or otherwise resides in a heated area, it may overheat. If you see evident signs of damage, it could be dangerous get a replacement soon. Examine the connector’s end for signs of cable damage, exposed wires, or wear on the insulating covering. If the LED indicator lights seem to switch on and off based on the angle of the charger, you could have a short. Caused by wear and tear, this issue appears more often on older connectors than power adapters with L-style or other MagSafe connectors. Strain relief: Strain relief refers to the head of the charger, which plugs into the MacBook, slowly disconnecting from the main cable. Physical damage can cause electrical fires, so stop using your charger and get a replacement immediately. If a prong or blade is loose or missing, your MacBook won’t receive enough power, if any at all. Prong and blade damage: Examine all prongs, blades, and other metal tips used by your charger.
Check for physical damageĪ common cause of charger failure is physical damage. You can also use a quick spritz of isopropyl alcohol on the connector, but make sure to dry the charger thoroughly before using it again.
To clean, get a cloth or cotton swab and remove any dirt you see. Also, beware of invisible, sticky layers that may be the real problem. A layer of dust or grime may be present, preventing the charger from making a proper electrical connection. Here are the five major connection types: Clean it outĪfter confirming that the charger is your issue, check for dirt in all ports and connectors. If you bought a charger or a used or refurbished Mac online and your charger doesn’t work upon first use, make sure you have a compatible charger type.Īpple has more information about the different power adapter connectors that work with old and new MacBooks and how you can get the correct adapter, if necessary. While you can acquire power adapters that output higher power than what your MacBook requires, using an adapter that doesn’t deliver enough power can lead to performance issues. The evolution of Apple’s MacBook lineup over the years introduced a handful of different power connectors and wattages. This is also the perfect time to check compatibility. If your MacBook still fails to respond, you probably have a problem with the battery or other hardware, and it’s time to take a different approach. If your MacBook turns on and starts charging with a different cable, your charger is likely the culprit. You can also head to an Apple Store or an Apple Authorized Service Provider and ask if you can test your unit. If you get no response, consider borrowing an identical charger (if possible). You don’t want to worry yourself over a faulty outlet. Switch to a different outlet that you know works, and check the charger’s LED indicators - many Mac chargers have some form of these - to see if they respond. When first encountering charging issues, make sure the power adapter isn’t the underlying problem. Make sure the charger isn’t malfunctioning Then, we’ll walk you through possible solutions for each problem. In this guide, we’ll look at the different reasons why your MacBook charger may stop working. It’s important to look at every possibility before assuming the worst. So when it stops charging, you might jump to the conclusion that your MacBook’s battery or other hardware is to blame. Not being able to use your MacBook for any reason can be frustrating and even scary.
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