MacBook Not Charging? Check the Charger, Cable, Port and Battery

When your MacBook is not charging, the cause can be anything from a loose outlet to a worn battery. The trick is to test one piece at a time. This guide walks you through the charger, cable, ports and battery so you can find the culprit, and shows you which messages are actually normal.

Is it really not charging?

Click the battery icon in the menu bar. If it says "Charging On Hold" or the Mac seems to stop around 80%, that's usually Optimized Battery Charging protecting the battery. It's normal. The Mac will finish charging closer to when you usually unplug.

If it says "Not Charging" while plugged in, the Mac is getting power but not charging the battery. This can be caused by a low-wattage charger, high temperature, or a battery issue. If nothing changes when you plug in, keep reading.

Test the outlet, charger and cable

1. Try another wall outlet. Skip power bars and extension cords while testing.
2. Check the charger's wattage. A small phone charger may not be enough for a MacBook. Use the adapter that came with your Mac or one with equal or higher wattage.
3. Inspect the cable. Look for fraying, kinks, bent pins or scorch marks. If you see damage, stop using it.
4. Swap parts one at a time. Try a different USB-C or MagSafe cable, then a different adapter, so you know which piece failed.
5. Unplug the adapter for a minute, then reconnect it. Some adapters shut off briefly to protect themselves.

To see what the Mac detects, hold Option, click the Apple menu, choose System Information, then select Power. Under AC Charger Information, you can see whether a charger is connected and its wattage.

Check the charging port

• USB-C MacBooks: try every USB-C port. If only one fails, that port may be damaged.
• MagSafe: the connector light is usually amber while charging and green when full. No light at all can mean a charger, cable or port issue.
• Debris: lint and dust collect in ports, especially in bags and pockets. Look with a flashlight. If you see debris, gently remove it with a wooden toothpick or a soft brush. Never use metal objects, and only do this with the Mac shut down.

Good habits keep cables working longer. See our tips on MacBook charger and cable care.

Try a reset

On an Intel MacBook, resetting the System Management Controller (SMC) can fix charging problems caused by power management glitches. On Apple silicon (M1, M2, M3, M4), there is no SMC reset; shut the Mac down completely, wait about 30 seconds, then start it again. Our guide on how to reset the SMC and NVRAM has the exact key combinations.

Check the battery itself

If the charger works on another Mac but yours still won't charge, the battery may be worn or faulty. Go to System Settings > Battery (or System Preferences > Battery on older macOS) and look at Battery Health. "Service Recommended" means the battery isn't performing as it should. A trackpad that no longer clicks or a lifted case can mean a swollen battery. Stop charging it and have it inspected right away.

Need MacBook battery replacement in Ottawa?

If you've ruled out the charger and cable, the fault is likely the battery, the port or the charging circuit on the logic board. Fix Revolution diagnoses all three and does board-level repair in-house, with pickup and drop-off across Ottawa and Gatineau. Most repairs are done in 1 to 2 business days, depending on parts. Get a free quote or call 613-265-4349.

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