On Intel Macs, resetting the SMC was a universal panacea until the T2 came along. What can we do instead with an M1 Mac?
SMC
There’s no SMC, so you can’t reset it. Although there’s still NVRAM (PRAM), that can’t be reset either: full details of both for M1 models.
Your Mac goes all sluggish, you open Activity Monitor, and there at the top of the CPU list is kernel_task, taking 100% or more. Why?
When you wake your laptop up in the morning, it’s clear it has been awake half the night. How to ensure it gets a proper night’s sleep.
How to reset them, and what they do. Includes coverage of the SMC functions in T2 chips, and how to reset them too.
Diagnostic, Recovery, Safe, Startup Manager, Verbose, reset SMC/NVRAM, firmware restore, Target Disk/Display, Single-User (SUM) in outline.
From hardware diagnostics to pmset and resetting the SMC, all you need to know about diagnosing wake and sleep problems.
What should you do with a Mac whose fans keeping coming on full blast, with high CPU loads from kernel_task, and sluggish performance?
Adds details of the sequence of screens displayed at each stage, to help diagnose boot problems.
How did it take Apple so long to tell users of the imminent death of Back to My Mac? And why does Apple replace fully-functional Smart Keyboards?
