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How do I do a clean install of macOS 10 13 High Sierra?

Can I delete macOS High Sierra installer?

It is safe to delete, you will just be unable to install macOS Sierra until you re-download the installer from the Mac AppStore. Nothing at all except you would have to download it again if you ever need it. After install, the file would usually be deleted anyway, unless you move it to another location.

How do I wipe my Mac High Sierra?

Hold down the Command and R keys as soon as you hear the Mac tone indicating a reboot. Wait for the macOS Utilities screen to appear, then click Disk Utility. Choose your Mac’s system drive, usually named Macintosh HD, then click Erase. Select the Format option Mac Extended (Journaled) or APFS.

How do I wipe my Mac and reinstall it?

Select your startup disk on the left, then click Erase. Click the Format pop-up menu (APFS should be selected), enter a name, then click Erase. After the disk is erased, choose Disk Utility > Quit Disk Utility. In the Recovery app window, select “Reinstall macOS,” click Continue, then follow the onscreen instructions.

How do I do a clean install of High Sierra USB?

Create a bootable macOS installer

  1. Download macOS High Sierra from the App Store. …
  2. When it’s finished, the installer will launch. …
  3. Plug in the USB stick and launch Disk Utilities. …
  4. Click the Erase tab and make sure Mac OS Extended (Journaled) is selected in the format tab.
  5. Give the USB stick a name, then click Erase.

25 сент. 2017 г.

Does installing Mac OS Sierra delete everything?

Please note that if you need to remove the data and reset your Mac to factory settings, go for clean install macOS High Sierra. A clean install will delete everything associated with your profile, all your files, and documents, while the reinstall will not.

Can you reverse a Mac update?

If you use Time Machine to back up your Mac, you can easily revert to a previous version of macOS if you experience trouble after installing an update. … After your Mac restarts (some Mac computers play a startup sound), press and hold the Command and R keys until the Apple logo appears, then release the keys.

How do I completely wipe my macbook pro?

How to wipe a Mac computer with a factory reset

  1. Turn your Mac computer off.
  2. Press the power button to turn it on, then immediately press and hold Command (⌘) + R. …
  3. After a few moments, the macOS Utilities window should appear — this is known as Recovery Mode.
  4. Select “Disk Utility” and click “Continue.”

18 окт. 2019 г.

What’s the difference between Apfs and Mac OS Extended?

APFS, or “Apple File System,” is one of the new features in macOS High Sierra. … Mac OS Extended, also known as HFS Plus or HFS+, is the file system used on all Macs from 1998 until now. On macOS High Sierra, it’s used on all mechanical and hybrid drives, and older versions of macOS used it by default for all drives.

How do I wipe my Mac base system?

Hold command-option-r at boot to start in Internet recovery mode. Select your wifi then you should see a spinning globe while the recovery utility downloads. Once the recovery screen comes up start Disk Utility and go to the erase tab.

How do I set up my Mac as new?

How to set up a new Mac or MacBook

  1. Step 1: Make sure that there is an internet connection. You will need to be able to connect to the internet during the set up process so make sure that there is a web connection and that you know the password.
  2. Step 2: Switch on your new Mac. …
  3. Step 3: Run Setup Assistant. …
  4. Step 4: Go to the App Store.

17 дек. 2019 г.

How do I wipe and reinstall my High Sierra?

How to Perform a Clean Install of macOS High Sierra

  1. Reasons to Perform a Clean Install. …
  2. Step 1: Backup Your Mac. …
  3. Step 2: Create a Bootable macOS High Sierra Installer. …
  4. Step 3: Erase and Reformat the Mac’s Boot Drive. …
  5. Step 4: Install macOS High Sierra. …
  6. Step 5: Restore Data, Files and Apps.

4 окт. 2017 г.

How do I install macOS High Sierra without App Store?

Download macOS High Sierra 10.13 full installer without the app store

  1. Download macOS High Sierra Patcher from this link.
  2. Open the app and find Tools from the menu. Now, press on the option to download macOS High Sierra.
  3. Choose a suitable location to save the macOS High Sierra as an offline installer.

19 февр. 2021 г.

How long does it take to reinstall macOS High Sierra?

Here’s How Long the macOS High Sierra Update Takes

Task Time
Backup to Time Machine (Optional) 5 minutes to a day
macOS High Sierra Download 20 minutes to an 1 hour
macOS High Sierra Installation Time 20 to 50 minutes
Total macOS High Sierra Update Time 45 minutes to an hour and 50 minutes

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