SMC reset SMC Reset http://support.apple.com/en-us/HT201295 Reset the SMC & Why Reset the SMC & Why SMC Reset SMC Reset SMC reset SMC Resetting the System Management Controller http://support.apple.com/en-us/HT201295 SMC Reset http://support.apple.com/en-us/HT201295 Reset the SMC & Why SMC Reset http://support.apple.com/en-us/HT201295 SMC Reset http://support.apple.com/en-us/HT201295 Apple's guide https://support.apple.com/en-us/HT201295 http://support.apple.com/en-us/HT201295 http://support.apple.com/en-us/HT201295 How to reset Reset the System Management Controller (SMC)