macOS: How to reset Mac SMC and NVRAM, and why you would need to

The System Management Ctroller ctrols many low-level functis your Mac Intle. But there are times when you might need to reset it. Here's how to reset Mac SMC and warning signs to look for if you need to do it

What Does the SMC Do?

  • Respd to Pressures Power Butts
  • Reply To & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; Opening and Closing the Screen Cover MacBooks
  • Battery Management
  • Thermal Management
  • Moti Detecti (SMS)
  • Ambient Light Detecti
  • Backlight keyboard
  • Status LED Management (SIL)
  • 19659004] Choice of an external video source for some iMac screens
  Image of a motherboard. Reset Mac SMC by following these steps.

Photo by Alexandre Debiève Unsplash

Warning Signs SMC

If you encounter any of these problems, it could mean that your SMC needs to be reset: [19659017] The backlight of the keyboard does not work properly or not at all

  • Battery or status lights do not work properly
  • Your Mac does not turn when you open the lid
  • The LED light Power adapter does not turn works well, or does not reflect what it does (green for charged, …
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