#Mac shutdown problem how to#
#Mac shutdown problem full#
#Mac shutdown problem software#

The System Management Controller (SMC) is responsible for low-level functions on your Mac, including power management, battery charging, and keyboard backlighting.

#Mac shutdown problem full#

Safe mode isnвЂ™t the only alternative startup mode for your Mac, check out the full list of macOS boot modes and what theyвЂ™re used for. When you restart your computer, it will boot back into regular mode.

#Mac shutdown problem how to#

Your Mac will likely function just fine after a forced restart, but there is always a risk in doing this.В If something went wrong and your Mac will no longer start up, learn how to fix a Mac that wonвЂ™t boot. The shutdown process is put in place to protect core system files that should always be properly closed before the machine powers off. Note: This should only be used as a last resort. Wait about 30 seconds before starting your machine up again. Keep the button held down for around 10 seconds, after which your MacвЂ™s screen should go black. If you donвЂ™t have a power button, then youвЂ™ll need to hold Control and Command plus the Eject button or the Touch ID button instead. To do this, first press and hold the Control and Command keys, then hold the MacвЂ™s power button. This works on both desktop Macs and MacBooks. If your Mac still wonвЂ™t shut down, the only thing left to do is to figuratively вЂњpull the plugвЂќ and force a shutdown. To get a list of attached drives run this command first: diskutil list When All Else Fails: Force Restart Your Mac Otherwise, you can force eject via the Terminal with the following command (replace вЂњDISKвЂќ with whatever your drive is called): diskutil unmountDisk force /Volumes/DISK You may see a new window pop up with a choice to вЂњForce EjectвЂ¦вЂќ which you can try. If you canвЂ™t get a drive to eject, then you may have found your issue. Safely remove any external drives by right-clicking on them and choosing вЂњEject вЂќ or by clicking and dragging the volume to the Trash can. If youвЂ™re using an iMac, you can try unplugging everything except your mouse or Magic Trackpad (though keyboards shouldnвЂ™t cause an issue). For best results disconnect any attached peripherals and try again. Peripherals may also cause issues when trying to shut down your Mac. Assuming youвЂ™ve gotten rid of any errant processes, itвЂ™s time to try shutting down again. Other apps that may have crashed will be highlighted in red, followed by a label that says вЂњ(Not responding).вЂќ YouвЂ™ll need to click on these then click on the вЂњXвЂќ to kill them too. If they are, click on them to highlight them, then click on the вЂњXвЂќ at the top left to kill the process. You can order the вЂњ% CPUвЂќ column by descending order to see if any apps are using a high amount of CPU power. Open up Activity Monitor (hit Command + Spacebar then search for it) and click on the CPU tab. If this doesnвЂ™t work, itвЂ™s possible that a background process has crashed and is causing the issue. Right-click (or two-finger click) the appвЂ™s icon, hold the Options key on your keyboard, then click вЂњForce QuitвЂќ and the app should close. You can force quit any apps that arenвЂ™t responding or wonвЂ™t close. First, try closing all of your applications by right-clicking (or two-finger clicking) on their icons in the dock, and choosing вЂњQuit.вЂќ Occasionally your Mac will notify you that вЂњApplication blocked shut downвЂќ and sometimes you wonвЂ™t see any errors at all.

#Mac shutdown problem software#

Sometimes software can prevent your Mac from shutting down properly. Assuming your Mac wonвЂ™t shut down, itвЂ™s time to try a few more things.