- CLEAN INSTALL MAC OS X SIERRA HOW TO
- CLEAN INSTALL MAC OS X SIERRA MAC OS
- CLEAN INSTALL MAC OS X SIERRA INSTALL
- CLEAN INSTALL MAC OS X SIERRA UPGRADE
- CLEAN INSTALL MAC OS X SIERRA PASSWORD
CLEAN INSTALL MAC OS X SIERRA INSTALL
Then choose the startup drive to install the macOS High Sierra. This time, select Install macOS > Continue. Once the startup drive has been formatted, close Disk Utility and go back to the macOS Utilities window. This will delete all contents of your startup, including the current version of the OS, photos, videos, music and other files. Once the Mac starts up, you will see the following macOS Utilities window.Ĭlick Disk Utility, select your startup drive (usually named as Macintosh HD) and choose Erase. Wait for the process to complete and you will have a bootable USB install drive for High Sierra.įirstly, you need to boot up your Mac from the USB flash drive: restart your Mac while holding down the option button, when all of the bootable drives are displayed, select the macOS Sierra installer on the USB drive.
CLEAN INSTALL MAC OS X SIERRA PASSWORD
Hit Enter key and enter the password of your Mac. Open the Terminal app and enter the following command: sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/UNTITLED & say Boot Installer Complete.If your USB drive has a name, replace “UNTITLED” with your USB drive name.
CLEAN INSTALL MAC OS X SIERRA MAC OS
Plug the USB drive into Mac and format the drive as Mac OS Extended (Journaled) volume with a GUID Partition Table: click Applications > Utilities > Disk Utility > the USB drive > Erase. Get a 16GB or larger USB drive(to make a bootable flash installer of macOS Sierra or OS X El Capitan, an 8GB flash drive is enough.) If the installer automatically begins to install High Sierra once the download completes, quit the installer. Next, you need to create a bootable macOS High Sierra USB drive.ĭownload macOS High Sierra installer from Mac App Store. Step 2: Make a bootable flash installer of macOS You can make a backup of your Mac to iCloud drive or you have to make a Time Machine backup. Therefore, it is important for you to back up files, apps and other needed data on your Mac before the install of the new OS. To clean install a Mac OS, you have to first erase everything on the drive.
CLEAN INSTALL MAC OS X SIERRA HOW TO
We will cover the first one - how to clean install macOS High Sierra on Startup drive first. The methods to perform these two types of clean install are different. Fresh install on the non-startup, on the other hand, requires you to have a second drive on the Mac. To perform a clean install on the startup drive, you need to make a bootable USB install drive of macOS, such as macOS High Sierra. There are two types of clean install of macOS: installing Mac OS on the startup drive and installing the OS on non-startup drive. Part 2: Clean Install Mac OS from USB on Startup Drive Tip: If you need to recover deleted photos, files, videos, audio from Mac after clean installation, you can use FonePaw Data Recovery (opens new window). Comparing to upgrading to macOS High Sierra, a clean install is more likely to give your Mac a better performance and it is often used to fix Mac system problems, such as speeding up a slow Mac.
CLEAN INSTALL MAC OS X SIERRA UPGRADE
By upgrading to macOS Sierra from Sierra, El Capitan, etc., current data on the Mac are preserved and you can use your apps, files, photos and other data right away once the upgrade is completed.Ĭlean install of Mac OS, on the other hand, will delete all current data on Mac's drive and install on the drive a with a fresh copy of macOS High Sierra. For example, as macOS High Sierra is released, we download the new operating system from App Store and run the installer to get it on our Mac. Usually we install a new version of Mac OS by upgrading to the new version. Part 1: Clean Install Mac OS vs Upgrade Mac OS You can also apply these steps to clean install macOS Sierra, OS X El Capitan, or the older OS X version on your Mac. This tutorial will explain to you how to clean install macOS High Sierra step by step. A clean install of Mac OS will restore your Mac to factory settings and reinstall new Mac OS on the computer, which is right for you if you want to give your Mac/iMac/MacBook a fresh restart. Other than downloading and installing macOS from App Store, you can also upgrade your Mac to macOS High Sierra with a clean install.
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