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SMC Reset on Older Mac Desktops

For older Mac desktops, with no T2 chip, reset the SMC like this:

Shut down.
Unplug the power.
Wait 15 seconds.
Reconnect the power cord.
Wait 5 seconds.
Start the Mac normally.

Related Tips

SMC Functions
SMC Reset for Early Mac Pro
SMC Reset Older Laptops with Nonremovable Batteries
SMC Reset on Laptops with Removable Batteries
SMC Reset on Modern Mac Desktops
SMC Reset on Modern Mac Laptops





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