1. Heres an app that will help you digitally vacuum-clean your drive CleanMyMac X, by MacPaw. However, its a good idea to keep the USB stick youve prepared in case you need to reinstall the operating system in an emergency. Macintosh HD Data is where your data is stored separately to the macOS installation. Enter Recovery Mode by holding down the power button on M1-based Macs until the menu appears. Select the drive and click Erase. Looks like no ones replied in a while. Click the gear icon labeled Options, then click Continue. This last option is for situations when your macOS Monterey is underperforming, crashes, etc. Start up from macOS Recovery To reinstall from macOS Recovery, your Mac must be able to connect to the internet. To enter Recovery on an Intel Mac press Command+R. All postings and use of the content on this site are subject to the. Now, go to System Preferences and choose Time Machine. Finally, hit the enter key and type your main admin account password. When we talk about a clean install of macOS Monterey, we mean erasing the main disk of all its files and then installing the new operating system on the freshly wiped drive. Find junk and inconsistencies on the drive. The OS X Lion 10.7 installer was about 4.72 GB. Were going to create the bootable drive using Terminal, which you can open on your Mac by pressing Command + Space bar and typing Terminal. Copyright 2000-2023 MacRumors.com, LLC. Once in Recovery Mode, select Disk Utility. If Yes, suggest having at least 50 GB of Empty space on the computer. Heres how it works. The process can take a while, youll see Erasing Disk: 0% 10% 20% 30%100%, Next Terminal will spend a few minutes copying the installer file to your drive. Again, the seal guarantees that everything is fine and that nothing untoward has crept in. Next we need to turn out USB drive into a bootable USB disk so that we can use it to install a new copy of macOS on our Mac after we have reformatted it (that step will come later in this tutorial). Press Command + Q to quit out of the installer. 1-800-MY-APPLE, or, Use Disk Utility to erase an Intel-based Mac, Sales and Disk Drill may not be able to maximize its data recovery if the drive is encrypted by M1 or T2 chips, which have added security features. Apple disclaims any and all liability for the acts, After I deleted all the data and tried to re-install macOS Big Sur (as it originally had Big Sur), I got "Operation couldn't be completed. Saturday at 2:55 PM. For more advice on getting hold of even older editions of Mac OS, seeHow to get old versions of OS X. How to install macOS Sonoma public beta. When you are in macOS Recovery, follow these steps: Select your SSD drive from the left sidebar. How to reinstall macOS This has the method to Reinstall for both Intel and Apple Silicon M1 Computers. On notebook computers that have Touch ID, press and hold Touch ID. All you need to do is wipe your device clean and reinstall macOS. Once Recovery starts up youll see a macOS Utilities window with options to Restore From Time Machine Backup, Reinstall macOS [version], Safari (or Get Help Online in older versions) and Disk Utility. Apple released macOS 12 Monterey on Monday, October 25. P. S. I erased smth I shouldnt have previously in disk utility. How do you reinstall macOS from a USB drive? If you are running macOS Catalina, Big Sur or Monterey you will have two volumes: Macintosh HD and Macintosh HD Data. If you booted from a functioning recovery partition, click the "Reinstall macOS" button to get started. Youmay get a warning message at this point, telling you that this version of macOS is already installed on this computer. Before you begin we recommend that you make aback up, just in case something goes wrong. Step Three: Reinstall macOS. Backup your current installation and any personal files, Download the official macOS Monterey installer, Format a USB flash drive for macOS Monterey, Load the macOS Monterey installation files onto your USB drive, Install the operating system from the drive, Download the official macOS Big Sur installer, Format a USB flash drive for macOS Big Sur, Load the macOS Big Sur installation files onto your USB drive. Subscribe to the Macworld Digital Magazine. The message might say that an error occurred while downloading, preparing, or installing, or that the installer is damaged or could not be verified. Turn off your Mac. Reinstalling a fresh copy of macOS Monterey will not affect your current settings. Click on the menu and choose macOS Sonoma, then click Done. Today's macOS is under increased threat from malware and bad actors. Select the gear icon labeled Options, then click Continue. Multiple methods tested, Apple Watch Ultra 2 is coming later this year, with 3D printed parts, Five HomeKit devices to make your home safer, Experts reveal the exact time you should sell your iPhone, or risk losing 65% of its value, Here are the brand-new emojis coming to your iPhone later this year, Read everything from iPhone to Apple Watch, Mags delivered straight to your door or device. Click the OK button. This will allow the Full Version of the newer version of macOS ( about 12.xx ) to download, then Expand and only then commence to install. Without running a proper clean install, you risk keeping old data and application settings, which could drag down the performance of some applications and the operating system as a whole. Its most recent macOS Monterey 12.0.1 installer weighs in at about 12 GB nearly triple in size. Open the Disk Utility (found in the /Applications/Utilities/ folder). In a post published on Medium earlier today, Kuo said that his latest survey of Apple's supply chain indicates that "Apple is actively adopting 3D printing technology." Before the arrival of Monterey it was necessary to create a bootable USB drive or use Recovery Mode to wipe your disk. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do: Install the latest version of macOS compatible with your computer: Option-Command-R. Reinstall your computers original version of macOS (including available updates): Option-Shift-Command-R. Reinstall your current version of macOS: Command-R. Apple may provide or recommend responses as a possible solution based on the information Another reason you may choose to reinstall macOS Monterey is if you plan to sell or trade off your Mac. On top of that window, youll see a menu bar. So macOS itself cannot be changed by any software that you install as a user. Select the drive to save the duplicate copy of your system. Once youre up and running, youll find a new feature Apple has addedErase All Content and Settings that lets you reset your Mac to the factory settings without needing to format disks or launch any extra apps. Now follow the onscreen instructions to do your clean install. . Follow the on-screen prompts to complete the installation. Free up space to make the backup lighter so youll save time. Your companion for deleted files recovery. This life-saving feature has been specifically designed for situations like this that are seemingly hopeless. Go to Launchpad and type in Terminal in the search box. On a Mac with Apple silicon or an Intel-based Mac with the Apple T2 Security Chip, use Erase Assistant to reset your Mac to factory settings before you trade it in or sell it. At this preparatory stage, well clean your system and shave off some junk so we can make a neat backup. His obsession with technology goes back to his first PCthe IBM Thinkpad with the lift-up keyboard for swapping out the drive. The cause of messages like these can vary, and sometimes they are only temporary. David Morelo is a professional content writer in the technology niche, covering everything from consumer products to emerging technologies and their cross-industry application. A forum where Apple customers help each other with their products. This doesn't affect our editorial independence. sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled. Get started with your Apple ID. only. Shut down your Mac and press and hold the power button until you see the Startup Options window again. Clean installing previous versions of macOS usually involves creating a bootable copy of the macOS installer on a flash drive or USB stick and then reformatting your drive before installing the bootable copy on your Mac, or using macOS Recovery to reinstall the Mac operating system over an internet connection. She also fancies herself a bit of a rock star in her town and spends too much time reading comic books. Plug in a USB hard drive with enough space for your backup. Now, please check your email. Once the older operating system installation is complete, you can then download Monterey as a software update. Heres what you need to do: We explain how to reinstall macOS via Recovery here: How to reinstall macOS, but we will summarise the steps here. Below, we have recapped 12 key features coming to the iPhone with the update. To start up from macOS Recovery,follow the appropriate steps: Turn on your Mac and continue to press and hold thepower buttonuntil you see the startup options window. The macOS installer should open when it does follow the onscreen instructions to do the clean install. You need to have an internet connection to finish this process. As you can imagine, that means that before attempting to use your USB installer that youll want to ensure that: When you clean install macOS, ideally, you should always make backup copies of your Mac just in case something goes wrong. To do a completely clean install of macOS Monterey, youre going to need to wipe the disk on your Mac. Once the disk gets full, Time Machine will free up space by overwriting the oldest copies first. Allow Software Update to ping Apple's servers, then click. I deleted Macintosh HD whilst wiping my mac. You might be asked to log in again. Open the Terminal application on your Mac (find it by searching using Command + Space and typing Terminal), Now copy and paste the following text into Terminal (This text is for Big Sur we include the. You could alternatively sync all your Documents and Desktop with iCloud rather than run a full backup, but make sure that everything you need is in the cloud and be aware that you may lose system setting and applications. And before moving your entire home, its better to clean the garbage lying around. NY 10036. Sometimes, when installing updates, files can become corrupted. Close Disk Utility to go back to the Recovery window. create a bootable installer with a USB drive, M1 Macs: Hold power button until Startup Options menu appears. Wait for your startup disk to be formatted. Straafe said: I have Monterey up and running in Scale following the instructions from the other users, if you run into problems or have a specific question let me know. To enter Recovery Mode on M1-based Macs, hold the power button until the menu appears. Press and hold the power button until you see the Startup Options window. It allows you to remove all your data from your Mac and return it to factory settings for next person. Use Disk Utility to erase an Intel-based Mac This pertains to Intel Computer Only. If you already have a new installation of macOS and are selling or trading in your Mac, you can just wipe your Mac clean of all your data. After about 30 minutes, the clean installation of macOS Monterey should be finished, and you can enjoy your pristine operating system. When you select it, it will prompt you for your admin password, then ask if youve backed up. How to reinstall macOS Monterey on a Mac that won't turn on. Table of Contents Reinstall macOS You can use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. If this happens, you may need to reinstall macOS Monterey to resolve those problems. Go back to the main Utilities menu and choose Install macOS. Typically, when youre offered an operating system upgrade from the Apple App Store, youre encouraged to simply download the new version and to overwrite your existing setup, without wiping the entire disk and erasing your data. When Should You Reinstall Your macOS You might wish to reinstall macOS for a few reasons. In the settings where you select a volume, select your current macOS volume (in most cases, its the only one available). How do I reinstall macOS Big Sur from Monterey? When you purchase through links on our site, we may earn an affiliate commission. I do this with every Major OS update and seem to never get those unique quirky issues that others complain about Bluetooth, display sleep/connection, audio, etc. Incorrect date and time settings can interfere with macOS verification. You can find it in the System Preferences menu in the System Preferences app. Note that with regard to backups, you probably wont want to recover a Time Machine backup if you dont want to copy over all the setting and preferences associated with your old system. Heres the official list of supported devices: As youre going to completely clean install macOS Monterey, your computers drive and all of the files stored on it will be completely wiped and replaced by the new operating system. After installing the new macOS, things can slow down on your Mac. Wait while macOS is reinstalled. If the message recommends a solution, such as to redownload the installer and try again, please try that first. Every Mac has a power button. Navigate to System Settings > General > Date & Time and ensure your settings are correct . Not only does this effectively erase all user data and user-installed apps from your Mac without reinstalling macOS, it also signs out your Apple ID, removes your Touch ID fingerprints, purchases, and all Apple Wallet items, and turns off Find My and Activation Lock, making it far easier to restore your Mac to like-new factory settings. Visit our corporate site. ask a new question. Install macOS Monterey by following the installation wizard. Maybe your Mac is acting wrongly, or you want to remove any possible mistake due to previous installation updates. Make sure the computer on which you're installing a fresh copy of macOS Monterey can be connected to the internet, either via Wi-Fi or Ethernet. Features described in this article refer to the MacPaw site version of CleanMyMacX. macOS 12 Monterey is Apples next macOS after Big Sur. If you are happy to take the risk and still want to wipe your Mac and reinstall macOS which you should definitely do if you are selling or passing on your Mac read on! Press the Power button and hold Command-R. Next select Restart. (Image credit: iMore) Hold down Command and R ( + R) at the same time. You can also click the button at the top right of the . By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. Or you can connect the reserved USB drive and install your old system that weve backed up using Time Machine. Start up or restart your Mac while holding down the Option key (also known as Alt). Internet connection will be required to reactivate M1 Mac after erasing. If you want to downgrade to a previous version of macOS, like Big Sur from Monterey, youll have to make sure to specifically download that version from the official repository, and then follow the above steps for installing from a flash drive. To start the conversation again, simply You can still clean install macOS Monterey on an older Intel machine, but its worth noting that most computers over 5-6 years old probably wont be compatible. You can use Disk Utility to format the drive you have at your hand. Big Sur is 12.6GB, for example, so expect downloading to take a while. To begin to clean install macOS Monterey, youll need to shut down your machine, then boot again from the USB stick that you created, rather than the main drive. Be sure to take a look at the latest list of Macs that Apple sells. Thats how you clean install macOS Monterey on a wiped drive. Step 1: Launch the Mac App Store, and download macOS Monterey. However, things have changed in recent years that mean that a clean install may not be necessary, so we will start by explaining why you might not need to do a clean install on your Mac. This process is really simple, but it does vary slightly depending on the age of your machine. It will not boot if it has been modified in any way. There are several reasons why you may want to reinstall macOS Monterey. Nov 22, 2021 4:20 PM in response to miroslavwu, Nov 22, 2021 5:42 PM in response to P. Phillips, Thank you for trying to help. You can use macOS Recovery, the built-in recovery system on your Mac, to reinstall macOS. Use macOS Recovery to reinstall macOS the web. Click the Get button. 4) Hit Continue to start the reinstall. Your disk is erased now. When the installer has finished downloading, it will prompt you to continue the installation. Terminal will warn that it is about to erase the drive. Scan down the list of apps youve purchased or download for free (which is in order of when you downloaded them) and find the name of your chosen version: El Capitan, Yosemite or whatever. Heeeelllppp. If you have an Intel-powered Mac heres how to install macOS from a bootable installer: Macworld editor since 2008, Karen has worked on both sides of the Apple divide, clocking up a number of years at Apple's PR agency prior to joining Macworld almost two decades ago. Finally you will need to log out of your Mac and all related services using your Apple ID. In the Recovery app window, select Reinstall for your macOS release, then click Continue. Click the gear icon labeled, Completely new install of macOS Monterey: Recovery Mode >. Important: Your computer must be connected to the internet to reinstall macOS. Future US, Inc. Full 7th Floor, 130 West 42nd Street, We want to boot your Mac from USB. Select Install macOS Monterey and click Continue. determine whether you're using a Mac with Apple silicon, Use Disk Utility to repair your startup disk, Learn more about using macOS Recovery to reinstall, Turn on your Mac and continue to press and hold thepower buttonuntil you see the, Select your startup disk, then press and hold theShift keywhile clicking Continue in Safe Mode..