> iMac keeps falling asleep
Mar 02, 2021
1 minute
leep and wake are functions controlled by the System Management Controller (SMC) and a complex series of settings, some of. In the case of desktop Macs without a T2 chip, that means shutting it down, disconnecting all peripherals apart from keyboard, mouse/trackpad, any Ethernet connection, and any external display. Disconnect the power cable for at least 15 seconds, reconnect it, wait a further five seconds, and start up normally.
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