If you are experiencing issues related to these settings, like how to fix a Mac that won't shut down, resetting NVRAM may also be necessary, as featured below: The NVRAM is required to store certain settings and access them quickly, some examples are sound volume, display resolution, startup disk selection, time zone, and recent kernel panic information. NVRAM (nonvolatile random-access memory) is a small amount of special memory that your Mac possesses.
Wait 5 seconds and press the power button to turn on your Mac. How to reset the SMC on Mac desktop computersįollow these steps to resolve how to fix a Mac that won't shut down for iMac, Mac mini, Mac Pro, and Xserve. Hold down the power button again, but this time to switch on your Mac.Ģ. 
Press and hold the power button for ten seconds. Take out the battery and unplug the battery charger. If the battery of the Mac that can't be turned off is removable: Thrust the power button once again to switch on your Mac. Hold these keys and the power button for 10 seconds. Using the built-in keyboard, press "Shift + Control + Option" on the left side of the keyboard and compress the power button at the same time. Unplug the battery charger from the device. Then, if the battery of the dead Mac is nonremovable: How to reset the SMC on Mac notebooks?įirst, the solution to how to fix a Mac that won't shut down, according to your Mac model, depends on whether the battery is removable. To reset the SMC, choose one of the aspects below: 1. Indicator for the status of the battery.Īs time goes by, the SMC's configurations may be disabled and generate operating anomalies on the computer, like an inability to turn on or off the system, to awake from sleep mode or to charge the battery, for example. 
Management of battery as well as thermal.The Mac's System Management Controller (SMC) is an integrated circuit (chip) located inside the computer logic's keyboard and responsible for energy inmost physical components.
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