Reinstall from macOS Recovery
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.
- How to create an OS X flash drive installer. Step 1: Disk Utility. Plug in the flash drive and, once it has mounted, open Disk Utility (/Applications/Utilities). In Disk Utility, highlight. Step 2: Partition. Step 3: GUID Partition Table. Step 4: Apply settings. Step 5: Disk Utility Restore.
- The only official way is to download the Mac system on a Mac computer. Apple doesn't let you download Mac OS on a non-Apple computer. First, try to see if you can do an Internet recovery. This lets you download the Mac system over the Internet; you won't have to deal with the whole flash drive thing.
- Installing the Mac operating system on an external drive is the safest way to get a good look at a new OS without changing anything on your Mac. It'll leave your current configuration intact.
1. Start up from macOS Recovery
![Drive Drive](/uploads/1/3/3/8/133897503/643115927.jpg)
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.
Sep 06, 2019 You can boot your Mac from the USB flash drive to install the software on your Mac’s hard drive, Your USB drive will be erased and needs to have at least 12 GB of storage. To create a bootable USB installer, you need a working Mac and you need to be comfortable using simple Terminal commands.
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.
Shift-Option-⌘-R
Reinstall the macOS that came with your Mac, or the closest version still available.
OS X – Mavericks, Mountain Lion, and Lion can be downloaded through Torrent method:Firstly, Get or Folx Pro , then use following torrent file to download the OS X version you desire. After downloading, OS X Yosemite Installer will appear in /Applications. An USB – at least 8Gb or higher. Install mac os x from usb drive. A MacBook to run Disk Utility in OS X.How to create USB installer for Mac OS X Step 1: Download installer of OS X Yosemite, Mavericks, Mountain Lion, and Lion We are still able to download Yosemite from Apple store:Go to Mac Apple Store use your Apple ID and login Find and download OS X Yosemite. To get the InstallESD.DMG, go to Application right mouse on OS X Yosemite select “ Show Package Contents“.
Use product model name: - Examples: laserjet pro p1102, DeskJet 2130. Ensure correct spelling and spacing - Examples: 'paper jam'. Uninstall printer driver mac os x 10.10. Tips for better search results.
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.
Dec 26, 2017 We’ve shown you how to securely wipe a hard drive with your Mac, and doing so in Recovery Mode isn’t really different from doing so within macOS. To get started, click the Disk Utility option. Depending on how you started Recovery Mode, you may be presented with the option to start Disk Utility right away, as seen above. Wipe and Reinstall macOS Step One: Boot into Mac Recovery. So macOS Recovery is one of the most clutch tools that Apple has created. It’s so smart they’ve made it pretty much built-in to all Macs. The utilities allow you to; restore from Time Machine, reinstall macOS, and repair or erase hard drives. Clean hard drive reinstall mac os x 10.10. Reinstall macOS. When you need to reinstall macOS on your Mac, you can install it from Apple using the internet or you can install it from the recovery partition included on the hard drive or flash storage of every Mac. Both ways of reinstalling keep your files and user settings intact. Jun 01, 2020 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.
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.
Install Mac Os On Flash Drive
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.
- If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
- If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
- If the installer is for a different version of macOS than you expected, learn about macOS Recovery exceptions.
- If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.
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
Mac Os 9 Install
The version of macOS offered by macOS Recovery might vary in some cases:
- If macOS Sierra 10.12.4 or later has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
- If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward.
- If your Mac has the Apple T2 Security Chip and you never installed a macOS update, Option-Command-R installs the latest macOS that was installed on your Mac.
- If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.
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.
Mac Os On Usb Drive
Other ways to install macOS
Install Mac Os From Usb
- You can also install macOS from the App Store or Software Update preferences. If you can't install macOS Catalina, you might be able to install an earlier macOS, such as macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
- Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac.