How To Reset The SMC on MacBook Pro

Published Date Author: , Posted November 28th, 2010 at 8:24:13am

Power off the unit fully.

On the LEFT side of the keyboard, hold down CTL-OPT-SHIFT while pressing and holding the power button on the right side for 5 seconds. All four keys must be released AT THE SAME TIME. Nothing should happen. Then power back up…

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