Frequent question: How do you perform a clean install of macOS?

How do you do a clean install of OS on Mac?

Restart your Mac. Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.

Is it worth doing a clean install of macOS?

It gives you the opportunity to rid your Mac of unnecessary bloat. … So, even though your apps may not be on your cleanly-installed Mac, you can usually get them back without much effort. You’ll need a level of patience and some extra time if you do a clean install of macOS Big Sur.

How do I reinstall my Mac to factory settings?

How to Factory Reset a Mac or MacBook (macOS Monterey)

  1. Click the Apple icon in the menu bar (top-left corner).
  2. Select System Preferences from the drop-down menu.
  3. Select ‘Erase All Contents and Settings. ‘
  4. Enter your password, select ‘OK. ‘
  5. Select the ‘Erase All Content & Settings’ button.

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

How to Perform a Clean Install of macOS High Sierra

  1. Step 1: Backup Your Mac. As noted, we’re going to completely erase everything on the Mac. …
  2. Step 2: Create a Bootable macOS High Sierra Installer. …
  3. Step 3: Erase and Reformat the Mac’s Boot Drive. …
  4. Step 4: Install macOS High Sierra. …
  5. Step 5: Restore Data, Files and Apps.
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How do I do a clean install of Mac without USB?

Tutorial

  1. Restart your Mac, or power it on, while holding down the Command + R key combination.
  2. Release the Command + R key combination once you see the Apple logo on display. …
  3. Once you see a window like the one below, click on Disk Utility and Erase your main Mac HDD (or SSD).

Is reinstalling macOS bad?

The main reason most people would reinstall macOS is because their system is completely messed up. Maybe error messages pop up constantly, software won’t run correctly, and other usability issues prevent you from working normally. … If these don’t fix your problem, proceeding with a macOS reinstall is a good idea.

Does reinstall macOS wipe data?

Reinstalling macOS from the recovery menu does not erase your data. However, if there is a corruption issue, your data may be corrupted as well, its really hard to tell.

Will a clean install speed up my Mac?

Do a clean install of macOS. While the tips in the CNet article are useful, I’ve found that doing a clean install of macOS is a great way to speed up a Mac that has gotten too slow. … My Mac was so much better that I’ve become a big fan of doing a clean install of macOS each time Apple releases a major version update.

How do I do a factory reset?

How to perform Factory Reset on Android smartphone?

  1. 1 Tap Settings
  2. 2 Tap General Management.
  3. 3 Tap Reset.
  4. 4 Tap Factory data reset.
  5. 5 Tap RESET.
  6. 6 Tap DELETE ALL. Please be patient as phone resetting takes some time.
  7. 1 Tap Apps > Settings > Backup and reset.
  8. 2 Tap Factory data reset > Reset Device > Erase Everything.
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How do you hard reset a MacBook pro?

How to Hard Reset MacBook, MacBook Air, or MacBook Pro

  1. To force a restart your MacBook, you need to press and hold down the Command (⌘) button, the Control (Ctrl) key, and the power button at the same time.
  2. Hold these keys down until your MacBook’s screen goes blank and the computer restarts itself.
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