How to reset SMC on Mac laptops

Overview

Resetting the SMC on your computer may resolve the following issues:

• Battery isn't charging
• Mac isn't turning on
• Fans are running fast
• Mac laptop computer gets too warm
• Built-in camera isn't working

Macs with Apple Silicon

On Apple Silicon Macs, restarting the computer automatically resets the SMC.

Intel Macs with T2 chip

1. Shutdown your MacBook
2. Press and hold the power button for 10 seconds, then release the button
3. Wait a few seconds, then press the power button to turn on your Mac

If the issue persists, follow these steps to reset the SMC:

1. Shut down your mac
2. On your built-in keyboard, press and hold all of the following keys (your Mac might turn on):
   • Control on the left side of your keyboard
   • Option on the left side of your keyboard
   • Shift on the right side of your keyboard
3. Keep holding all three keys for 7 seconds, then press and hold the power button as well. If your Mac is on, it will turn off as you hold the keys
4. Keep holding all four keys for another 7 seconds, then release them
5. Wait a few seconds, then press the power button to turn on your Mac

Intel Macs without T2 chip

1. Shut down your Mac
2. On your built-in keyboard, press and hold all of these keys:
   • Control on the left side of your keyboard
   • Option on the left side of your keyboard
   • Shift on the left side of your keyboard
3. While holding all three keys, press and hold the power button as well
4. Keep holding all four keys for 10 seconds
5. Release all keys, then press the power button to turn on your Mac