macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery.
Reinstall from macOS Recovery
If the issue is caused by software on your Mac, one of these steps might help: Install all available software updates. If your Mac suspects that a particular app caused the restart, it might ask whether you would like to move the app to the Trash. Click Move to Trash, then contact the software developer to see if a software update is available.
1. Start up from macOS Recovery
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
Command (⌘)-R
Reinstall the latest macOS that was installed on your Mac (recommended).
Option-⌘-R
Upgrade to the latest macOS that is compatible with your Mac. Reader for mac sony ereader.
Shift-Option-⌘-R
Reinstall the macOS that came with your Mac, or the closest version still available.
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You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
When you see the utilities window, you have started up from macOS Recovery.
2. Decide whether to erase (format) your disk
You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.
3. Install macOS
When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
macOS Recovery exceptions
The version of macOS offered by macOS Recovery might vary in some cases:
If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.
Other ways to install macOS
Sep 28, 2020 • Filed to: Solve Mac Problems • Proven solutions
Mac is usually known for its usability and strong tech-solutions. Apple's system is optimized to survey a clean, quality, and integrated product, with both hardware and software high-development features, working as one. But, sometimes, even their well-designed device may need repairs and knowledge on how to fix a Mac that won't shut down.
If you're trying to restart or shut down your Mac and the computer keeps getting stuck in the process, then it's time to consider taking a few steps on restoration. First, to discover how to fix a Mac that won't shut down, you need to take back and diagnostic:
Related: What if everything goes missing on the Desktop? Go there and get the fixes to'everything disappeared on Mac'.
Also, these complications often occur after an OS, hardware, or software update. So, if you're having similar difficulties, the scenario requires a quick step-guide to reset and clear the system processes to know how to fix a Mac that won't shut down.
Solution 1: Reset the Mac's SMC
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. The management unit controls:
As 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. To reset the SMC, choose one of the aspects below: Screen record for mac.
1. How to reset the SMC on Mac notebooks?
First, 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. Then, if the battery of the dead Mac is nonremovable:
If the battery of the Mac that can't be turned off is removable:
2. How to reset the SMC on Mac desktop computersShutdown App Mac Mini
Product code for medal of honor warfighter origin. Follow these steps to resolve how to fix a Mac that won't shut down for iMac, Mac mini, Mac Pro, and Xserve.
Solution 2: Reset NVRAM
NVRAM (nonvolatile random-access memory) is a small amount of special memory that your Mac possesses. 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. 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:
Related: What is Kernel Panic and How I canfix Kernel Panic errors on Mac.
Note: after doing the procedure, you might want to open System Preferences and adapt any settings that were reset, like sound volume, display resolution, startup disk selection, or time zone.
Solution 3: Try the Safe Boot
This is another method for how to fix a Mac that won't shut down. When you turn on your Mac in Safe Boot mode, it deletes system caches, which may help after an updating process or a crack with software issues. Also, it is the only way to discover if the problem is global or user-guided. Knowing that is worth to have a try and run the Mac in his safe mode, with these steps:
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This guarantees that your Mac starts into safe mode. However, it takes longer than usual to reach the login screen or your desktop, so give it time. If your Mac works alright after turning on in safe mode, try to restart your Mac and see if an unexpected shutdown happens again.
Solution 4: Repair Disk with Terminal
You can even use the terminal to repair the disk. It has an interface that helps control the UNIX-based operating system that runs below Mac OS X and helps out with many such tasks and problems that are not intuitive. In this case, we are putting it toclear out all the cache dataand font maintenance, which may help in how to fix a Mac that won't shut down.
After opening, type all the following commands in the window, one-by-one in execution.
Mac Mini App Shutdown App
After you perform the last line, restart your Mac.
Conclusion
Best metronome app for drummers macos. The tutorial offers a four-step guide with multiple solutions for how to fix a Mac that won't shut down. Read them with patience and calm before doing the tread. Each part contains different approaches to the repair service, divided into:
Also, you may need to observe day by day if everything's hardware or software related is working fine. Whatsoever, with all of the actions, you should be able to solve the problem out.
Mac Shutdown Command
By the way, the Recoverit Mac data recovery toolhelps you recover all kinds of files on Mac, even from an unbootable Mac. Go further and get the ways ofrecovering data from crashed Mac.
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What's Wrong with MacHow To Force Shutdown Mac
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