Reset SMC or PRAM/NVRAM could helps.

In my data point, the second solution works for my MacBook Pro (15-inch, 2018).

How to reset SMC

  • Keep power on (using external power)
  • Complete shutdown you computer (shutdown instead of restart)
  • Press the [left-side Shift]+Control+Option keys, along with the power button on at the same time.
  • Release all of the keyboard keys at the same time, including the power button.
  • Turn On

How to reset PRAM/NVRAM

  • Keep power on (using external power)
  • Complete shutdown you computer (shutdown instead of restart)
  • Turn on your Mac using the power button.
  • Press and hold the Command (⌘), Option, P, and R keys on your keyboard at the same time as soon as you hear your Mac’s startup chime sound.
  • Wait for a few time
  • Release keys
Categories: Code

Yu

Ideals are like the stars: we never reach them, but like the mariners of the sea, we chart our course by them.

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