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Shut down the MacBook by going to  Apple menu > Shut Down.Resetting the SMC on a MacBook Air, MacBook Pro, and Retina MacBook with a non-removal battery is easy and done as follows: This can resolve many power related issues with Macs, from strange fan behavior, to batteries not charging, the MagSafe adapter not being identified as connected or passing a charge, to the battery missing message, refusal to sleep or wake properly, amongst a variety of other problems. If you have verified the MagSafe adapter is all plugged in properly and the port is free of obstructions, your next choice should be to reset the System Management Controller (SMC). Additionally, that same magnetic connection which makes the MagSafe adapter so wonderful can also attract other pieces of minuscule stuff that is just large enough to prevent a charge while also being very hard to visually identify. Because laptops and MagSafe adapters are often carried in backpacks, purses, and bags, they can accumulate lint and other particles that may prevent a proper connection. This may sound silly or unlikely, but it happens more often than you’d think. Do not ever use anything metal for this purpose. If you do see something stuck in the MagSafe adapter or Mac port, unplug the MagSafe from the wall and disconnect the Mac from any power source, and then use a wooden object like a toothpick to remove it from the port. Yes, this is a real photo example taken while troubleshooting a MacBook Air that wouldn’t charge.) (Note the tiny metallic particle that is snuggly tucked into the corner of the port. The image below demonstrates how a tiny piece of something blocking a connection can be hard to see, so check closely. Foreign objects interfering in the physical connection between the charger and the computer is one of the more common reasons that MagSafe adapters seemingly won’t pass a charge. Look closely at both the adapter cord itself, and on the port at the side of the MacBook Pro / Air. Now check the MagSafe ports for any objects or debris. If the MagSafe cable is torn, fraying, damaged, or the inner-workings of the charger are exposed in any way, do not use the MagSafe. Trying a different wall outlet is also critical because it rules out the outlet being the issue (and who hasn’t had the experience of plugging something into a non-working outlet before?).Īlso, check for any flaws or frays in the adapter. Yes, that means check to be sure the adapter is plugged into a wall outlet, and that the MagSafe AC adapter or wall adapter is properly connected and secured. 1: Verify the MagSafe is Plugged In & Try a Different Outlet

And yes, these steps are the same for any MacBook Air or MacBook Pro with a built-in battery and a magnetic MagSafe charging adapter.