How to figure out if a MacBook power adapter or battery has gone bad
There are really three components in a laptop relating to charging a battery.
Mac 911
Jan 6, 2021 7:15 pm PST
Apple
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?
Battery charging involves three separate elements, so you have to go through a process of troubleshooting to identify which one is faulty.
The battery