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I want to do an SMC reset and did so by powering off, disconnecting cable, holding pwr button, plugging in, powering on. But is there a way to verify i reset the SMC successfully? Resetting PRAM/NVRAM is clear because you hear 2 chimes

A SMC reset null’s the values it holds so there is no means to tell for sure. What is the problem you think an SMC reset will alter?