How do I reinstall Mac OS X?

How do I completely reinstall Mac OS X?

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 reinstall Mac OS X without disc?

Reinstall Your Mac’s OS Without an Installation Disc

  1. Turn your Mac on, while holding the CMD + R keys down.
  2. Select “Disk Utility” and click on Continue.
  3. Select the startup disk and go to the Erase Tab.
  4. Select the Mac OS Extended (Journaled), give a name to your disk and click on Erase.
  5. Disk Utility > Quit Disk Utility.

21 апр. 2020 г.

What do I do if I can’t reinstall OS X?

Here is how to boot into Recovery Drive on an Intel Mac:

  1. Shut down your Mac. …
  2. Hold down the Command and R keys down and press the Power button.
  3. Keep holding Command and R until the Apple logo appears on the screen. …
  4. You should see a screen saying macOS Utilities (or if your Mac is older, OS X Utilities).

1 февр. 2021 г.

How do I wipe my Mac and start over?

The best way to restore your Mac to factory settings is to erase your hard drive and reinstall macOS. After macOS installation is complete, the Mac restarts to a setup assistant that asks you to choose a country or region. To leave the Mac in an out-of-box state, don’t continue setup.

How do I reinstall Mac OSX recovery?

Start up from macOS Recovery

Select Options, then click Continue. Intel processor: Make sure that your Mac has a connection to the internet. Then turn on your Mac and immediately press and hold Command (⌘)-R until you see an Apple logo or other image.

How do I reinstall OSX without recovery mode?

The spinning globe of hope. Start up your Mac from a shut down state or restart it, then immediately hold down Command-R. The Mac should recognize that there’s no macOS Recovery partition installed, show a spinning globe. You should then be prompted to connect to a Wi-Fi network, and you enter a password.

How do I reinstall OSX without Internet?

Installing a fresh copy of macOS via Recovery Mode

  1. Restart your Mac while holding down the ‘Command+R’ buttons.
  2. Release these buttons as soon as you see the Apple logo. Your Mac should now boot into Recovery Mode.
  3. Select ‘Reinstall macOS,’ and then click ‘Continue. ‘
  4. If prompted, enter your Apple ID.

Can I reinstall macOS without Apple ID?

If you install the OS from a USB stick, you don’t have to use your Apple ID. Boot from the USB stick, use the Disk Utility before installing, erase your computer’s disk partitions, and then install.

Can’t reinstall macOS because disk is locked?

Boot to the Recovery Volume (command – R on a restart or hold down the option/alt key during a restart and select Recovery Volume). Run Disk Utility Verify/Repair Disk and Repair Permissions until you get no errors. Then re-install the OS.

How do I wipe my imac?

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.

How do I restore my MacBook Air 2011 to factory settings?

Boot from the Recovery HD by restarting the computer and after the chime press and hold down the COMMAND and “R” keys until the computer starts from the Recovery HD. Select Disk Utility from the main menu and click on the Continue button.

How do I restore my MacBook Air to factory settings without CD?

How to Reset a MacBook Pro to Factory Settings Without a Disc

  1. Set the MacBook Pro to restart. Hold down the “Command” and “R” keys when the gray screen appears during the boot process. …
  2. Select “Disk Utility” from the next screen and click “Continue.” Choose your hard drive in the list and click “Erase.”
  3. Click the “Mac OS Extended (Journaled)” option in the new dialog.
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