Quick Answer: How To 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)

MacOSX Lion – Reinstall your OS without installation disc

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

How to reset your Dock to its default

  • Open Terminal (located in the Utilities folder).
  • Type (or copy and paste) defaults delete com.apple.dock; killall Dock.
  • Hit return.

Apple Safari:

  • Click on “Safari” located in the menu bar in the top left hand corner of the screen.
  • Click on “Reset Safari”
  • Place a checkmark beside all available options.
  • Press the “Reset” button.
  • Click on the Hard Drive icon located on the desktop.
  • Browse to “Users > (Users Home) > Library > Safari folder”

How to reset Launchpad on Mac

  • Click on your desktop.
  • Click on the Go menu.
  • Press and hold the Option key.
  • Click on Library.
  • Double click on the Application Support folder.
  • Double click on the Dock folder.
  • Drag all files ending in .db into the trash.
  • Click on the Apple icon in the top left corner of your screen.

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.

Does reinstalling Mac delete everything?

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.

How do I factory reset my MacBook Pro 2010?

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 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 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.’

How do I reinstall OSX 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.

How do I do a clean install of OSX Mojave?

How to Clean Install MacOS Mojave

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

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.

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 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)

Does installing Mac OS Mojave delete everything?

The simplest is to run the macOS Mojave installer, which will install the new files over your existing operating system. It won’t alter your data, but only those files that are part of the system, as well as bundled Apple apps. Launch Disk Utility (in /Applications/Utilities) and erase the drive on your Mac.

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.

How do I factory reset my MacBook Pro 2012 without a disk?

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.”
  3. Click the “Mac OS Extended (Journaled)” option in the new dialog.
  4. Choose “Reinstall OS X” and click “Continue.”

How do I restore my MacBook pro to factory settings without Apple ID?

1 Answer

  • With Mac off Hold CMD + R and tap power button to turn on computer.
  • Still holding CMD + R wait for recovery screen to appear that gives reinstall option.
  • Before clicking reinstall click ‘disk utility’
  • On disk utility click the ‘Macintosh HD’ then the erase tab on the right.

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 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.

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 reinstall OSX?

Step 4: Reinstall a clean Mac operating system

  • Restart your Mac.
  • While the startup disc is waking up, hold down the Command+R keys simultaneously.
  • Click on Reinstall macOS (or Reinstall OS X where applicable) to reinstall the operating system that came with your Mac.
  • Click on Continue.

How do I reinstall Mojave on Mac without disc?

How to Reinstall MacOS Mojave

  1. Backup the Mac before going any further, do not skip making a full backup.
  2. Restart the Mac, then immediately hold down the COMMAND + R keys together immediately to boot into macOS Recovery Mode (alternatively, you can also hold down OPTION during boot and select Recovery from the boot menu)

How do I reinstall Mac from recovery partition?

Reinstall Mac Operating System From The Recovery Partition

  • Turn on the Mac and immediately press and hold down both the Command key and the R key.
  • Once you see the Apple logo appear in the middle of the screen you can release the Command and R keys.
  • When the Mac has completed its startup, you should see a window similar this one:

How do I reformat my Mac High Sierra?

Click the Erase button or tab, then complete these fields:

  1. Name: Enter a name for the disk or volume, such as “Macintosh HD”.
  2. Format: Choose either APFS or Mac OS Extended (Journaled) to format as a Mac volume. Disk Utility shows a compatible format by default.
  3. Scheme (if shown): Choose GUID Partition Map.

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.

Should I install macOS High Sierra?

Apple’s macOS High Sierra update is free to all users and there is no expiration on the free upgrade, so you don’t need to be in a rush to install it. Most apps and services will work on macOS Sierra for at least another year. While some are already updated for macOS High Sierra, others are still not quite ready.

Do you lose data when updating Mac OS?

Why simply updating MacOS can lose your data. As usual, before each update, the time machine utility on Mac creates a backup of your existing environment. A quick side note: on Mac, updates from Mac OS 10.6 are not supposed to generate data loss issues; an update keeps the desktop and all personal files intact.

Will I lose data if I upgrade Mac OS?

To reinstall macOS, including the latest Mojave, without losing data, you can follow the professional guide to update the OS, which will not cause data loss in most of the case. However, you know what “Slim” means – it’s not 100% safe and is still at the risk of losing some data.

How do I wipe a Mojave Mac?

Step 3: Erase your hard drive

  1. Connect your Mac to the internet via Wi-Fi or Ethernet.
  2. Click on the Apple icon.
  3. Select Restart from the drop-down menu.
  4. Hold down Command-R when you hear the startup chime (or the screen turns black on newer Macs) and keep holding the keys until your computer reboots.

Photo in the article by “Wikimedia Commons” https://commons.wikimedia.org/wiki/File:Mac_OS_X_Firefox_3.6b3_PL.png

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