How To Factory Reset Mac Os X?

Step-by-step Guide to Reset Mac to Factory Settings

  • Restart in Recovery Mode.
  • Erase Data from Mac Hard Drive.
  • a. In the macOS Utilities window, choose Disk Utility and click Continue.
  • b. Choose your startup disk and click Erase.
  • c. Choose Mac OS Extended (Journaled) as the format.
  • d. Click Erase.
  • e. Wait until the process is finished.
  • Reinstall macOS (optional)

Press and Hold the Command + R keys at the same time and Turn your Macbook on while holding down the Command + R keys. Step 03. Release all keys when the Apple logo appears on the screen. Step 04.Important: To reinstall macOS, you must be connected to the Internet.

  • In the menu bar, choose Apple menu > Restart.
  • Select Disk Utility, then click Continue.
  • Select your startup disk on the left, then click Erase.
  • Click the Format pop-up menu, choose Mac OS Extended, enter a name, then click Erase.

3. Restore Mac Back To Factory

  • Restart your Mac and hold down the “Command” and “R” keys during startup until you Mac is in Recovery Mode.
  • Select “Disk Utility” and click “Continue”
  • Choose your main startup disc (named “Macintosh HD” by default) and click “Unmount”

How do I wipe my Mac and reinstall?

Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.

How do I do a clean install of OSX?

So, let us begin.

  1. Step 1: Clean up your Mac.
  2. Step 2: Back up your data.
  3. Step 3: Clean Install macOS Sierra on your startup disk.
  4. Step 1: Erase your non-startup drive.
  5. Step 2: Download the macOS Sierra Installer from the Mac App Store.
  6. Step 3: Start the Installation of macOS Sierra on the Non-startup drive.

How do I restore my Mac to factory settings without password?

Press the Command and R keys at the same time when the grey screen appears and hold them until you see the Apple logo. A small loading bar will appear under the logo. Sit tight as your system boots into Recovery Mode. Click the Utilities tab in the top menu bar, select Terminal, type resetpassword and press Enter.

How can I reset my MacBook?

Here’s how to reset a MacBook (or any Mac computer):

  • Hold down the Command and R keys on the keyboard and turn on the Mac.
  • Select your language and continue.
  • Choose Disk Utility and click continue.
  • Choose your startup disk (named Macintosh HD by default) from the sidebar and click the Erase button.

Will reinstall macOS erase data?

Technically speaking, simple reinstalling macOS won’t erase your disk either delete files. You probably don’t need to erase, unless you’re selling or giving away your Mac or having an issue that requires you to wipe.

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How do I start my Mac in recovery mode?

How to enter Recovery Mode. 1) In the Apple menu choose Restart, or power on your Mac. 2) As your Mac restarts, hold down the Command (⌘) – R combination immediately upon hearing the startup chime. Hold the keys until the Apple logo appears.

How do I do a clean install of OSX Mojave?

How to Clean Install MacOS Mojave

  1. Complete a full Time Machine backup before starting this process.
  2. Connect the bootable macOS Mojave installer drive to the Mac via a USB port.
  3. Reboot the Mac, then immediately start holding the OPTION key on the keyboard.

How do I restore my Mac to factory settings?

Step-by-step Guide to Reset Mac to Factory Settings

  • Restart in Recovery Mode.
  • Erase Data from Mac Hard Drive.
  • a. In the macOS Utilities window, choose Disk Utility and click Continue.
  • b. Choose your startup disk and click Erase.
  • c. Choose Mac OS Extended (Journaled) as the format.
  • d. Click Erase.
  • e. Wait until the process is finished.
  • Reinstall macOS (optional)

How do you run 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.

How do I restore my IMAC to factory settings without CD?

How to Factory Reset an iMac Via the Recovery Partition. Restart the iMac and hold the “Command-R” keys while the computer reboots. Select and connect to a Wi-Fi network from the list if the iMac prompts you to do so. Choose the “Disk Utility” option from the list and click “Continue.”

How can I get admin access to a Mac without knowing the current password?

2 Answers

  • Hold ⌘ + S on startup.
  • mount -uw / ( fsck -fy is not needed)
  • launchctl load /System/Library/LaunchDaemons/com.apple.opendirectoryd.plist (or /System/Library/LaunchDaemons/com.apple.DirectoryServices.plist in 10.6)
  • dscl . passwd /Users/username (without a trailing slash) and enter a new password.
  • reboot.

Could not find installation information for this machine?

If you are installing mac os on a fresh Hard Drive then rather pressing cmd + R on startup, you need to press and hold only alt/opt key on system startup. In Recovery Mode you have to format your Disk using Disk Utility and Choose OS X Extended (Journaled) as drive format before you click Reinstall OS X.

How do I reboot a Mac?

To restart a Mac computer, you have three choices:

  1. Press the power button (or press Control+Eject) and, when a dialog box appears, click the Restart button.
  2. Choose the Apple key and then click Restart.
  3. Press Control+Command+Eject (or Control+Command+Power button).

How do you restore a Mac?

How to restore your Mac from a local backup

  • Restart your Mac.
  • While the startup disc is waking up, hold down the Command and R keys simultaneously.
  • Click on Disk Utility.
  • Click Continue.
  • Select your Mac’s hard drive.
  • Click the Restore tab at the top of the Disk Utility window.
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How do you erase a disk on a Mac?

For most reasons to erase, you should erase the disk, which also erases all volumes on that disk. Click the Erase button or tab, then complete these fields: Name: Enter a name for the disk or volume, such as “Macintosh HD”. Format: Choose either APFS or Mac OS Extended (Journaled) to format as a Mac volume.

Will reinstalling Sierra delete everything?

Don’t worry, it won’t affect your files, data, apps, user settings, etc. Only a fresh copy of macOS High Sierra will be installed on your Mac again. A clean install will delete everything associated with your profile, all your files and documents, while the reinstall will not.

How do I reinstall Mac OS without recovery mode?

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

Does installing a new OS delete everything Mac?

“Generally you don’t need to erase your startup disk to reinstall macOS,” explains Apple. 5) In the Format pop-up menu, choose Mac OS Extended (Journaled), type a new name for your disk and click Erase. This will erase all the information from the disk, including your personal data.

How do you wipe a Mac?

How to Wipe a Mac Hard Disk Drive (HDD)

  1. Make sure your Mac is turned off.
  2. Press the power button.
  3. Immediately hold down the command and R keys.
  4. Wait until the Apple logo appears.
  5. Select “Disk Utility” from the OS X Utilities list.
  6. Select the disk you’d like to erase by clicking on it in the sidebar.

Why is my Mac stuck on the startup screen?

Booting up your Mac in Safe Mode is beneficial to fix the problem that MacBook is stuck on loading screen. Boot up or reboot your MacBook. Step 2. Press and hold the Shift key until you see Apple logo on the screen.

How do I backup my Mac in recovery mode?

Make sure this drive has enough spare disk space to store your backup files. 2-Boot your Mac into Recovery Mode. Follow the steps to do this: Shut down your Mac.

  • Select your external drive.
  • Choose “compressed”
  • Select Save.
  • Your backup process will start. It may take some time.

How do I reformat my Mac High Sierra?

3: Format & Erase the Mac Hard Drive. With the MacOS High Sierra boot drive connected to the Mac, reboot the computer and hold down the OPTION / ALT key until you see the Startup Manager screen.

How do I reinstall OSX High Sierra?

It is the easiest way to install a fresh copy of an operating system.

  1. Connect your Mac to the internet via Wi-Fi or Ethernet.
  2. Click on the Apple icon in the upper left corner of your screen.
  3. Select Restart from the drop-down menu.
  4. Hold down Command and R (⌘ + R) at the same time.
  5. Click on Reinstall a new copy of macOS.
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How do I reinstall my High Sierra from Mojave?

Now, follow the steps to downgrade Mojave to High Sierra.

  • Boot your macOS into Recovery Mode and erase your macOS Mojave as mentioned in Method 1.
  • Choose, ‘Restore from Time Machine Backup’ from the ‘macOS Utilities’
  • Select Time Machine Backup external drive or Time Capsule and choose Connect to Remote Disk.

How do I boot a Mac in Safe Mode?

Start the system in Safe Boot mode

  1. Restart the Macintosh. Press and hold the Shift key immediately after you hear the startup tone.
  2. Release the Shift key when the Apple logo appears. Safe Boot appears on the Mac OS X startup screen.

How do I fix a Mac installation error?

What to do if your Mac freezes during software installation

  • Shut down, wait a few seconds, then restart your Mac.
  • Go to the Mac App Store and open Updates.
  • Check the Log screen to see if files are being installed.
  • Try installing the Combo update.
  • Install in Safe Mode.
  • 6. Make some room.
  • Reset the NVRAM.

Why won’t Mojave install on my Mac?

Another common macOS Mojave download problem shows the error message: “Installation of macOS could not continue. To make sure you do, open up the Apple menu and click on ‘About This Mac.’ Select ‘Storage’ and then check to make sure you have enough space on your hard drive. You need at least 12.5GB free.

How do I wipe and reinstall my Mac?

Select your startup drive on the left (typically Macintosh HD), switch to the Erase tab and choose Mac OS Extended (Journaled) from the Format drop-down menu. Select Erase and then confirm your choice. Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.

How do I reset my MacBook pro without password?

Press the Command and R keys at the same time when the grey screen appears and hold them until you see the Apple logo. A small loading bar will appear under the logo. Sit tight as your system boots into Recovery Mode. Click the Utilities tab in the top menu bar, select Terminal, type resetpassword and press Enter.

Photo in the article by “Flickr” https://www.flickr.com/photos/brownpau/11177045036

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