![]() ![]() If you own an older Mac desktop, the SMC reset process will involve disconnecting the power cord. Return the battery and turn on the Mac.Press the Power button and the key combination for 10 seconds.Press the Power button and Shift, Control, and Option keys on the keyboard.How to Reset SMC on Older Mac Models?ĭepending on whether your Mac has a removable or non-removable battery, you will have to follow different SMC reset procedures. Reconnect the cord and turn the Mac back on after another 5 seconds. ![]() Then, try unplugging the power cord and waiting for 15 seconds. Pro Tip: If the problem stays unresolved, shut down your desktop again. Release the Power button and restart your Mac.How to reset SMC on Mac mini and iMac with T2 chips: Stop pressing the keys and turn on your computer.Hold the key combination for 7 seconds and press the Power button.Press simultaneously the left Control, left Option, and right Option on your keyboard.How to reset SMC on a MacBook Pro or MacBook Air (T2 chips): ![]() The SMC on these Macs differs from older models. Mac models from 2018 and higher operate with T2 security chips.
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