Reinstalling macOS from a USB drive can be useful if you need to troubleshoot issues, upgrade to a newer version, or perform a clean installation. Here are the steps to reinstall macOS from a USB:
1. Prepare the USB drive: Firstly, you’ll need a USB drive with sufficient storage capacity (at least 16GB). Format the USB drive to Mac OS Extended (Journaled) using the Disk Utility application.
2. Download the macOS installer: Visit the Apple App Store and download the latest macOS installer. As of 2023, this would be macOS 12 Monterey. The installer will be saved in your Applications folder.
3. Create a bootable USB drive: Launch Terminal and enter the following command:
`sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia –volume /Volumes/MyUSB`
Replace `/Volumes/MyUSB` with the appropriate name of your USB drive. Enter your administrator password when prompted and wait for the process to complete. This creates a bootable installer on the USB drive.
4. Restart your Mac: Insert the USB drive and restart your Mac while holding down the Option (⌥) key. This will bring up the Startup Manager.
5. Choose the USB drive: Use the arrow keys to select the USB drive from the list of startup disks and press Enter. Your Mac will boot from the USB drive.
6. Reinstall macOS: The installer will launch automatically. Follow the on-screen instructions to reinstall macOS on your Mac. You might need to format your internal drive if you want to perform a clean installation.
7. Complete the installation: Once the installation is complete, your Mac will restart. Follow the setup prompts to finish the installation process, including signing in with your Apple ID, setting up user accounts, and performing other necessary configurations.
Remember to back up your important files before reinstalling macOS, as this process erases all data on your Mac’s internal drive. Additionally, ensure you have a stable internet connection during the reinstallation process to download any necessary updates.
Please note that the specific steps may vary depending on the version of macOS you are using, so it’s always a good idea to refer to official documentation or trusted sources tailored to your specific circumstances.
Video Tutorial:Can you reinstall macOS with a USB?
How to install macOS from USB?
Installing macOS from a USB drive is a straightforward process that can be performed by following a few simple steps. Here’s a step-by-step guide on how to install macOS from a USB drive:
1. Obtain a macOS installer: First, you need to download the macOS installer from the Mac App Store or any other trusted source. Make sure you have the appropriate installer for the version of macOS you want to install.
2. Prepare the USB drive: Connect a USB drive with sufficient storage capacity (at least 16GB) to your Mac. Before proceeding, remember to backup any important data on the USB drive, as the process will erase its contents. Open the Disk Utility app, select the USB drive, and choose the "Erase" option. Format the drive as Mac OS Extended (Journaled), give it a name, and click "Erase" to format the USB drive.
3. Create a bootable USB installer: Open Terminal, which you can find in the Utilities folder within the Applications folder. Enter the following command to create the bootable USB installer:
"`
sudo /Applications/Install\ macOS\ [version].app/Contents/Resources/createinstallmedia –volume /Volumes/[USB drive name]
"`
Replace `[version]` with the appropriate macOS version and `[USB drive name]` with the name you assigned to the USB drive in the previous step. Press Return and enter your admin password if prompted. The process may take some time, so be patient.
4. Install macOS from the USB drive: Once the bootable USB installer is created, restart your Mac and hold down the Option (⌥) key immediately after hearing the startup sound. This will bring up the Startup Manager, where you can choose the USB drive as the startup disk. Select the USB drive and press Return.
5. Follow the on-screen prompts: Your Mac will boot from the USB drive, and you’ll see the macOS installer screen. Follow the on-screen instructions to select the destination disk for installation, agree to the license terms, and proceed with the installation.
6. Wait for the installation to complete: The installation process may take some time, depending on your Mac’s hardware and the version of macOS being installed. Once the installation is finished, your Mac will automatically restart.
7. Set up macOS: After the restart, follow the initial setup prompts to customize your macOS settings, create a user account, and complete the setup process.
That’s it! You have successfully installed macOS from a USB drive. Now you can enjoy the latest features and enhancements of the macOS version you installed.
How do I wipe my Mac and reinstall OS?
To wipe your Mac and reinstall the operating system, follow these steps:
1. Backup your data: Before proceeding, it’s crucial to backup any important data you have on your Mac. This can be done using Time Machine or by manually transferring your files to an external storage device or cloud service.
2. Restart your Mac: Go to the Apple menu located in the top-left corner of the screen and choose "Restart."
3. Enter Recovery Mode: As your Mac restarts, hold down the Command (⌘) and R keys simultaneously until the Apple logo or a spinning globe appears. This will boot your Mac into Recovery Mode.
4. Disk Utility: In Recovery Mode, you’ll have access to Disk Utility. Select "Disk Utility" and click "Continue."
5. Erase the hard drive: Within Disk Utility, select your Mac’s startup disk and click on the "Erase" button. Choose a name for your disk and select the format, typically "APFS" or "Mac OS Extended (Journaled)". Finally, click "Erase" to wipe your Mac’s hard drive.
6. Reinstall macOS: Once the disk has been erased, close Disk Utility, and you will be back in the macOS Utilities window. Here, choose "Reinstall macOS" and follow the on-screen instructions. This will prompt your Mac to download and reinstall the latest version of macOS (in this case, macOS 16).
7. Set up your Mac: After the reinstallation process is complete, your Mac will restart and start the setup process. Follow the instructions on the screen to set up your Mac, including signing in with your Apple ID, setting up Wi-Fi, and migrating your data from the backup if needed.
That’s it! Following these steps should allow you to wipe your Mac and reinstall the latest version of macOS, ensuring a fresh start for your device. Remember to have a backup of your data before proceeding to avoid any loss.
How to restore MacBook with bootable USB?
Restoring a MacBook with a bootable USB can be useful in various scenarios, such as when you want to reinstall macOS, troubleshoot issues, or recover your system. Here is a step-by-step guide on how to accomplish this task:
1. Create a bootable USB drive: Obtain a USB drive (preferably at least 16GB) and format it to the appropriate file system, which for macOS should be Mac OS Extended (Journaled). Download the macOS installer from the App Store and follow the instructions to create a bootable USB using the Terminal or a third-party tool like DiskMaker X or UNetbootin.
2. Connect the bootable USB to your MacBook: Insert the bootable USB drive into one of the available USB ports on your MacBook.
3. Restart your MacBook: Go to the Apple menu in the top-left corner of your screen and select "Restart." Alternatively, click the power button and choose the "Restart" option from the pop-up menu.
4. Access the Startup Manager: Immediately press and hold the Option (or Alt) key as your MacBook restarts. Hold it until you see the Startup Manager window.
5. Select the bootable USB drive: Use the arrow keys to navigate to the bootable USB drive listed in the Startup Manager. It may appear with the name of the installer you used to create it or as "EFI Boot."
6. Start up from the bootable USB: Once you’ve selected the bootable USB, press the Return or Enter key.
7. Install or restore macOS: The Mac OS Utilities window will appear. From here, you can choose to restore your MacBook from a Time Machine backup, reinstall macOS, or use Disk Utility to repair or erase your disk.
8. Follow the on-screen instructions: Depending on the option you select, follow the prompts and instructions to complete the restoration process. This may involve selecting a destination disk, agreeing to terms and conditions, or setting up a new macOS installation.
Please note that the exact steps and options may vary slightly depending on the version of macOS and your specific MacBook model. It’s always a good idea to back up your data before attempting any restoration process to ensure you don’t lose any important files or settings.
How to install macOS from Disk Utility?
To install macOS from Disk Utility, follow these steps:
1. Start by ensuring you have a macOS installation disk or a bootable USB drive with the macOS installer.
2. Insert the macOS installation disk into your Mac’s optical drive or connect the bootable USB drive.
3. Restart your Mac and immediately press and hold the Option key until you see the Startup Manager screen.
4. On the Startup Manager screen, you will see all the available startup disks. Choose the macOS installation disk or the bootable USB drive containing the macOS installer by selecting it with the arrow keys. Then press the Return or Enter key.
5. Your Mac will now start booting up from the macOS installation disk or USB drive. After a few moments, you will see a macOS Utilities window appear.
6. In the macOS Utilities window, select the "Disk Utility" option and click Continue.
7. Disk Utility will open, displaying a list of available disks and volumes. Select the disk where you want to install macOS, usually your Mac’s internal startup disk, from the list of available disks on the left side.
8. Click on the "Erase" button at the top of the Disk Utility window. A dialog box will appear, asking you to provide a name, format, and scheme for the disk. Enter the desired information accordingly.
9. Once you’ve entered the necessary details, click on the Erase button to format the disk.
10. After the disk formatting is complete, close Disk Utility. You will return to the macOS Utilities window.
11. In the macOS Utilities window, select the "Install macOS" option and click Continue.
12. Follow the on-screen instructions to complete the installation process. This will involve selecting the disk you just formatted, agreeing to the license terms, and choosing a location for the installation.
13. Once you’ve completed the installation process, your Mac will restart, and you’ll be able to set up and use macOS.
Remember to back up any important data before installing macOS to avoid potential data loss during the formatting process.
How to clean install macOS Monterey with a bootable USB?
To clean install macOS Monterey with a bootable USB, you’ll need a few things: a USB drive with sufficient capacity, access to a Mac computer, and the macOS Monterey installer. Here’s a step-by-step guide on how to go about it:
1. Prepare the USB drive: Connect the USB drive to your Mac and ensure there’s no important data that needs to be saved, as the process will erase all existing data. Format the USB drive using Disk Utility and select the "Mac OS Extended (Journaled)" format.
2. Download the macOS Monterey installer: Visit the Mac App Store and download the macOS Monterey installer. It will be saved to the Applications folder by default.
3. Create a bootable USB installer: Open Terminal from the Utilities folder (found within the Applications folder). Type the following command, replacing "[USB Volume Name]" with the name of your USB drive: `sudo /Applications/Install macOS Monterey.app/Contents/Resources/createinstallmedia –volume /Volumes/[USB Volume Name] –nointeraction`. Press Enter and provide your admin password when prompted. Wait for the process to complete.
4. Restart your Mac and boot from USB: Connect the bootable USB drive to your Mac. Restart the computer and hold down the Option (⌥) key immediately upon hearing the startup chime. This will bring up the Startup Manager. Use the arrow keys to select the USB drive labeled "Install macOS Monterey" and press Enter.
5. Install macOS Monterey: Once booted from the USB, you’ll be presented with the macOS Monterey installer. Follow the on-screen instructions to select your language, agree to the terms, and choose the disk where you want to install the operating system. Select "Erase All Volumes and Install macOS" to perform a clean install. Continue with the installation process and wait for it to complete.
6. Set up macOS Monterey: After the installation is finished, your Mac will restart and boot into macOS Monterey. Follow the prompts to set up your user account, Apple ID, and other preferences. You can then restore your files and settings from a Time Machine backup or set up your Mac as new.
By following these steps, you should be able to perform a clean install of macOS Monterey using a bootable USB drive. It’s worth noting that this process erases all data on your Mac, so ensure you have a backup of any important files before proceeding.
How to install macOS step by step?
Installing macOS on a Mac computer is a straightforward process. Here is a step-by-step guide on how to install macOS on a Mac:
1. Check System Requirements: Ensure that your Mac meets the minimum system requirements mentioned by Apple for the version of macOS you intend to install. You can find this information on Apple’s official website or the product documentation.
2. Back Up your Data: Before proceeding with macOS installation, it’s crucial to back up your important data. You can use Time Machine or any other reliable backup method to create a backup of your files and settings.
3. Download macOS: Visit the Mac App Store or Apple’s website to download the latest version of macOS. The version available may vary based on the current releases. For instance, if it’s 2023, you may be downloading macOS 12 or a later version.
4. Prepare the USB Installer: Connect a USB flash drive with sufficient storage capacity to your Mac. Format it using the Disk Utility application, selecting the appropriate format (usually Mac OS Extended or APFS) and following the on-screen instructions. Then, create a bootable installer using the Terminal app and the macOS installation package you downloaded.
5. Restart the Mac: Restart your Mac while holding down the Option key until you see the Startup Manager. This will display the available startup disks.
6. Choose the USB Installer: Select the USB installer you created earlier from the available startup disks and press Enter. This will boot your Mac from the USB drive.
7. Install macOS: Once the macOS installer loads, follow the on-screen instructions. You may need to choose a language, agree to the license agreement, select the destination drive for the installation, and enter your Apple ID credentials.
8. Wait for the Installation: The installation process may take some time, depending on your Mac’s speed and the macOS version. Your Mac will restart automatically during this process.
9. Set up macOS: After the installation is complete and your Mac restarts, you’ll be guided through the initial setup process. This involves selecting your region, creating a user account, setting up iCloud and other preferences, and accepting the terms.
10. Update macOS: Once you’re in the macOS desktop, it’s recommended to update your Mac to the latest version of macOS available. Go to System Preferences > Software Update and follow the prompts to install any pending updates.
That’s it! You’ve successfully installed macOS on your Mac. Remember to restore your backed-up files and applications, and enjoy the features and improvements offered by the latest version of macOS.