Reset SMC On A Mac With A Non-Removable Battery Finally, press the power button to start up your Mac again. Keep holding all of these keys for another seven seconds, then let go. Pressing these buttons may cause your Mac to turn back on.Īfter seven seconds, press and hold the p ower button while continuing to hold Control, Option, and Shift. To reset SMC on these devices, start by turning off your computer, then press and hold Control, Option, and Shift at the same time for seven seconds. Most Mac computers made since 2018 are built with a T2 security chip. Reset SMC On A Mac With A T2 Security Chip There are a few ways to reset your SMC depending on your computer, so make sure you know the details of your Mac before we begin. This is our next recommendation for fixing a Mac that won’t charge.
Resetting the System Management Controller, or SMC, will help with issues responsible for power, battery, and other components. If this number is at the maximum for your specific Mac, then this could be why your Mac won’t charge. Under the Battery Information section, you’ll see your Mac’s current cycle count under Health Information. From there, choose System Information and select Power under the Hardware tab. To see your current cycle count, hold down the Option Key and click the Apple Menu icon. Compare this number with the number in System Preferences to check if your computer’s battery is healthy. Your Mac’s cycle count limit will depend on what Mac you have, but you can reference Apple’s Cycle Count Limit Chart to see your laptop’s limit. We recommend looking at your Battery Health to see if you’ve hit your battery cycle limit. Then, grab an antistatic brush (an unused toothbrush works!) and lightly brush out the inside of the port. To safely clean your computer’s USB port, shine a flashlight into it. If your charger seems to be working normally, it’s possible that there’s dirt or other debris inside your port preventing your Mac from charging. If not, then this indicates that the issue is with your computer. If your Mac charges after any of these switches, then there’s a problem with the original charger. To test this, we recommend trying to charge your computer with a different charger, power outlet, or a different USB-C port in your Mac. It’s possible that your Mac’s charger is causing the problem. Overwhelming your CPU causes battery drain and could be why your Mac won’t charge. The CPU is responsible for operating your Mac’s programs efficiently. In both scenarios, your Mac is accelerating the CPU. This also occurs if you have power-intensive applications running in the background that are using battery, so make sure to close those. This happens if you’re using your computer out in the sun since your computer uses more power in the sunlight. Another reason your Mac isn’t charging could be that your Mac is too hot.