How to Reset the System Management Controller (SMC) on a MacBook Pro

• Shut down the MacBook Pro.
• Press and hold the right side Shift-Option-Control keys and the power button at the same time for 7 seconds.
• Release all keys and the power button at the same time.
• Press the power button again to turn on the MacBook Pro.

• Shut down the MacBook Pro.
• Press and hold the left side Shift-Control-Option keys and the power button at the same time for 10 seconds.
• Release all keys and the power button at the same time.
• Press the power button again to turn on the MacBook Pro.

It's important to follow the steps for your specific MacBook Pro model to ensure that the SMC reset is successful. If you're unsure of which model you have, you can check the model information by going to the Apple menu in the top left corner of the screen and selecting "About This Mac." The model information will be displayed in the window that opens.

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• Shut down the MacBook Pro.
• Unplug the power adapter.
• Press and hold the power button for 10 seconds.
• Release the power button.
• Attach the power adapter and wait for at least 5 seconds.
• Press the power button again to turn on the MacBook Pro.