How Long Does It Take To Reinstall Mac Os
How to Reinstall macOS on Your MacBook Air/Pro/iMac
Summary: Need to reinstall macOS on Mac? Here is a complete tutorial on how to reinstall Mac OS X or macOS Catalina/Big Sur/Monterey on your MacBook Air/Pro/iMac without losing data.
For various reasons, y'all want to reinstall macOS on the Mac - simply want a fresh start to make clean up your Mac, wipe Mac to prepare Mac for auction, or troubleshoot underperformed Mac such equally Mac won't turn on, Mac experiencing a macOS kernel panic, etc. And then, y'all can follow this tutorial step by step to reinstall macOS on MacBook Air/Pro/iMac.
Tabular array of Contents:
- 1. How to reinstall macOS using Recovery fashion
- 2. How to reinstall dissimilar versions of macOS
- 3. What if Recovery mode not working (Alternative methods)
- iv. The lesser line
- 5. FAQs about reinstalling macOS
How to reinstall macOS using Recovery mode
Mac Recovery Mode is a special startup mode that tin can load up many useful troubleshooting and recovery tools without booting upwards the regular Os. It is the easiest manner to reinstall macOS from scratch. A macOS reinstallation cleans the codes of the current operating arrangement and rewrites every line of lawmaking for the operating system on your Mac.
Notation: Before you starting time, make sure yous take backed up any files you want to keep to an external drive. Even though you lot don't intend to wipe your MacBook, securing your files is a good idea earlier Bone reinstallation since it is a major procedure.
Start Mac in macOS Recovery Manner
In the first place, you should identify your Mac model, an Intel-based Mac, or an Apple tree silicon Mac, as the ways vary to enter Recovery mode on unlike Mac models.
On an Intel Mac: Close down your Mac completely and turn information technology on while holding downward Command + R keys simultaneously. Release the keys until you lot encounter an Apple logo and your Mac will kick into the macOS Utilities window in the recovery segmentation.
On an M1/M1 Max/M1 Pro Mac: Shut down your Mac completely, press the Touch ID push to turn it on, and then immediately printing downwardly the Affect ID push button until yous run into "Loading startup options". Click Options and and so click Go along to kick in macOS Recovery.
During the bootup to Recovery Manner, an admin password might be required to authenticate your identity for an Bone reinstallation.
After you enter the functioning recovery partition, y'all volition see the macOS Utilities windows. Then you can continue to format your startup bulldoze and cull to reinstall Mac operating organization from macOS Recovery Mode.
Receive Fault -2003F When Reinstalling macOS on Mac?
Can't reinstall macOS on Mac and it shows error lawmaking -2003F in Recovery manner/Internet recovery mode? Here are solutions to fix Mac error code -2003F to complete the macOS reinstallation. Read more >>
Format Mac'southward startup deejay (Optional)
If you want to reinstall a clean copy of the operating arrangement but go out your user account and files you created intact and stay where they are, y'all tin skip this pace.
However, if yous desire a truly clean OS reinstallation and a smooth process without interruptions by potential startup disk corruptions or space shortage, formatting the Mac startup disk is necessary. Information technology is worth mentioning here once again - brand sure you accept transferred your important files to a computer or external storage device.
Follow the steps beneath to go started:
Step 1. Select the Disk Utility option and click Proceed.
Footstep 2. On the sidebar of Disk Utility, select the system volume which contains the operating system and click Erase.
Step 3. Requite a proper name to the volume you are going to format. It is highly recommended to employ "Macintosh HD" for convenience's sake.
Step 4. Select Mac Bone Extended (Journaled) every bit Format for macOS 10.12 or earlier, while selecting APFS for macOS Monterey, macOS Big Sur, macOS Catalina, macOS Mojave, or macOS Loftier Sierra.
Pace 5. Click Erase Volume Group. This volition delete Macintosh Hd - Information book the system created when you upgraded to macOS x.15 or later and all other volumes you created every bit a user. Deleting all the volumes can free up space and eliminate possible conflicts for a clean macOS reinstallation. It is very essential when you need to reinstall macOS Big Sur on an M1 Mac.
Step 6. Confirm the wiping by clicking the Erase button.
It will take a few minutes to half an hour to complete the deejay formatting. Look patiently and practise not finish it halfway. When done, quit Disk Utility to render to the macOS Utilities window.
Reinstall macOS
Subsequently you lot have started upward the macOS Utilities screen, you lot will encounter a round thumbnail next to the Reinstall macOS pick. It indicates what version of macOS will exist installed on your Mac.
The thumbnail uses the typical wallpaper of a macOS version. For example, if you are going to install macOS Catalina, it is an island in the sea. If you will install macOS Mojave, it is dessert. Find all macOS versions and know what operating system will exist downloaded and installed on your auto.
Step 1. Click the Reinstall macOS pick and click Continue.
Step ii. Select a destination to install the new copy of macOS and select the startup deejay you formatted earlier.
Footstep 3. Click Go along to brainstorm the reinstallation. Yous will run into a window with a progress bar and time remaining for installing OS.
Information technology volition have a while and do not let your computer close downwards or slumber. After the macOS installation process completes, your Mac restarts automatically to a setup assistant and and so asks yous to create an admin account.
If you are selling, donating, trading, or giving abroad this Mac computer, y'all tin simply shut down the Mac. If you will keep it, y'all can go ahead to create a new business relationship and enjoy your fresh Mac.
[Tutorial]How to Install Older Versions of macOS/OS X
This post walks yous through three means to install an older version of macOS/OS X on your MacBook Air/Pro/iMac, including Time Car, Recovery mode, and a bootable installer. Read more >>
How to reinstall different versions of macOS
If you start up an Intel-based Mac using Command + R keys or start an M1 Mac in regular Mac Recovery, you will install the electric current version of macOS on your Mac. Mayhap, you lot don't like the current one and want to install sometime versions of macOS/OS 10, it needs actress operations.
How to reinstall the original version of macOS on your Mac?
Yous can only reinstall the macOS that came with your Mac on Intel-based Macs. To do so, you need to press down Command + Option + Shift + R keys while turning on a Mac. This volition boot to Net Recovery and download the original version of the macOS installer from Apple servers according to your Mac model.
However, if the OS version is obsolete and no longer available, the closest and available version will be reinstalled instead.
How to reinstall the latest compatible macOS on your Mac?
Before you lot boot into macOS Recovery for organization reinstallation, you should go to Apple logo > System Preferences > Software Update to update your Mac to the latest macOS.
Or on an Intel Mac only, you can start up your motorcar with Command + Option + R keys pressed until a spinning globe appears. In this startup manner, later on yous click the Reinstall macOS feature, it will reinstall the latest macOS that is uniform with your Mac.
What if Recovery mode not working (Culling methods)
Unexpectedly, the Command R not working or the recovery partition is damaged, you tin't become into Recovery mode, let lone reinstall Mac operating system. However, Recovery mode is not the just manner that enables yous to reinstall macOS, in that location are some alternative methods you can employ when Recovery way is non working.
Mac Recovery Mode non working? Try these simple solutions
If you neglect to kicking the Mac into Recovery manner, information technology may be the malfunctioned Control R or corrupted recovery partition. This postal service tells how to set up the Recovery style non working effect. Read more >>
Cyberspace recovery mode. Information technology is an Internet-based version of Recovery Mode. Once the Mac fails to boot into macOS Recovery way, it will automatically enter the Net recovery mode to access the macOS Utilities window. Yous tin can boot an Apple silicon Mac to macOS Net Recovery in the aforementioned mode equally the normal macOS Recovery. It requires a stable internet connection.
Fallback recoveryOS mode. This is a unique feature on Apple silicon Mac, the second copy of recoveryOS. From a shutdown state on M1 Mac, press and concord the power button to enter Fallback recoveryOS way.
DFU mode. Different the above startup modes, DFU is burned into the hardware as part of SecureROM. It is used to get your device back into a proper, working order. Combined with Apple Configurator 2, it tin can revive and restore a faulty Mac.
Create a USB installer. Yous need to download the macOS installer from Mac App Store or the web and install macOS Catalina/Large Sur/Monterey on the bootable USB drive. So connect the USB bulldoze with macOS installed to your Mac, and use the bootable USB to reinstall macOS on your Mac.
The bottom line
Mostly, you can reinstall macOS using Recovery mode with ease on your Mac computer. In example the Recovery mode is not working, we take introduced alternative methods to reinstall macOS in this guide. After the reinstallation completes, you lot can enjoy your new-fresh Mac.
Related articles:
- How to Install macOS on A Separate APFS Book (Ventura/Monterey/Big Sur)
- Complete Guide on How to Create A Bootable Installer for macOS
FAQs about reinstalling macOS
A
Reinstalling the operating arrangement should not delete user information as long as your operating organization and user files are stored in split volumes. However, if y'all choose to format the startup disk earlier installing macOS, all information volition be erased.
A
This depends on various factors, just it tin can take anywhere from 30 minutes to several hours, during which fourth dimension you won't exist able to utilise your Mac. It is better to keep Mac charged during the procedure to avoid sudden power failure. If the process is interrupted, you lot volition have to repeat these steps over again.
Source: https://iboysoft.com/howto/reinstall-macos.html
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