Question: How To Install Mac Os X?

How to install a fresh copy of OS X on your Mac

  • Shut down your Mac.
  • Press the Power button (the button marked with a O with a 1 through it)
  • Immediately press the command (cloverleaf) key and R together.
  • Make sure you’re connected to the internet through Wi-Fi.
  • Select Install Mac OS X, then click Continue.
  • Wait.

To fix that do the following:

  • Go to menu Install OS X Mountain Lion -> Quit Instal OS X.
  • Select Disk Utility.
  • Select your disk on the left side.
  • Select erase tab on the right side.
  • Format: Mac OS Extended (Journaled)
  • Name: Give it a name.
  • Click erase.
  • Quit Disk Utility and continue with installation as you did.

Plug in your bootable USB drive and Restart your Mac while holding the Option key. Make sure to keep it pressed down! 2. When it restarts, you’ll have a few options.Then follow these steps to use the bootable installer:

  • Make sure the OS X bootable installer (USB flash drive) is connected.
  • Shut down your Mac.
  • Hold down Option and press the Power button.
  • The startup device list window should appear displaying a yellow drive with Install OS X El Capitan below it.

Follow the steps below:

  • Create a bootable drive using a USB containing Mac OS X of your choice.
  • Plug in your bootable USB drive and Restart your Mac while holding the Option key.
  • When it restarts, you’ll have a few options.
  • Next, select the Disk Utility option.

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.

Remote Install Mac OS X is a remote installer for use with MacBook Air laptops over the network. It works by having it run on a Macintosh or a Windows-based PC with an optical drive and then connecting over the network to a client MacBook Air (lacking an optical drive) to perform system software installs.Open the App Store app on your Mac. Search the App Store for macOS High Sierra, or go directly to the macOS High Sierra page. Click the Download button on the High Sierra page. If your Mac is compatible with High Sierra, a file named Install macOS High Sierra downloads to your Applications folder.Navigate to this page to download Ubuntu 14.04 (trusty) AMD64 VirtualBox for Linux.

  • Then, in the download box, choose “Open with Ubuntu Software Center (default)” and click the “OK” button.
  • In Ubuntu Software Center, click on the “Install” button.

Use Disk Utility’s Restore Feature to Clone the OS X Install ESD Image

  • Launch Disk Utility, located at /Applications/Utilities.
  • Make sure the target USB flash drive is connected to your Mac.
  • Select the BaseSystem.dmg item listed in the left-hand pane of the Disk Utility window.
  • Click the Restore tab.
Contents
  1. How do I do a clean install of OSX?
  2. How do I reinstall Mac OS X?
  3. How do I install Mac OS on a new SSD?
  4. How do you do a clean install of macOS High Sierra?
  5. How do I do a clean install of OSX Mojave?
  6. How do I reinstall Mojave on Mac?
  7. How do I reinstall OSX without losing data?
  8. How do I reinstall Mac OS without recovery mode?
  9. How do you start a Mac in recovery mode?
  10. How do I install Windows on a new SSD?
  11. How do I install OSX on an external hard drive?
  12. How do I wipe my SSD Mac?
  13. Should I install macOS High Sierra?
  14. How do I reinstall my High Sierra from Mojave?
  15. How do I install OSX High Sierra?
  16. How do I do a clean install of OSX Mojave with USB?
  17. Does installing Mac OS Mojave delete everything?
  18. Can I delete install macOS Mojave?
  19. How do I reinstall Mojave on Mac without disc?
  20. Could not find installation information for this machine?
  21. How do you reset a Mac Mojave?
  22. Will reinstall macOS erase data?
  23. How do I reinstall Mac from recovery partition?
  24. How do I restore my Mac to factory settings?
  25. How do I wipe and reinstall my Mac?
  26. What happens when you start a Mac in Safe Mode?
  27. What is recovery mode Mac?
  28. How do I put Mac on USB?
  29. How do I make an external drive bootable?
  30. How do I make a bootable Mac installer for an external hard drive?
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How do I do a clean install of OSX?

To erase your Mac’s main drive:

  1. Go to System Preferences.
  2. Сlick Startup disk and choose the installer you just created.
  3. Restart your Mac and hold down Command-R to boot into recovery mode.
  4. Take your bootable USB and connect it to your Mac.

How do I reinstall Mac OS X?

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 install Mac OS on a new SSD?

With the SSD plugged in to your system you’ll need to run Disk Utility to partition the drive with GUID and format it with Mac OS Extended (Journaled) partition. The next step is to download from the Apps Store the OS installer. Run the installer selecting the SSD drive it will install a fresh OS onto your SSD.

How do you 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.

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 I reinstall Mojave on Mac?

How to install a new copy of macOS Mojave in Recovery Mode

  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 reinstall OSX without losing data?

How to Update & Reinstall macOS Without Losing Data

  • Start up your Mac from macOS Recovery.
  • Select “Reinstall macOS” from the Utilities Window and click “Continue”.
  • Follow the onscreen instructions to select the hard drive you want to install the OS on and start the installation.
  • Don’t put your Mac to sleep mode or close its lid during the installation.

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 you start a 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 install Windows on a new SSD?

How to Install Windows 10 on SSD

  1. Step 1: Run EaseUS Partition Master, select “Migrate OS” from the top menu.
  2. Step 2: Select the SSD or HDD as the destination disk and click “Next”.
  3. Step 3: Preview the layout of your target disk.
  4. Step 4: A pending operation of migrating OS to SSD or HDD will be added.
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How do I install OSX on an external hard drive?

Steps

  • Download Mac OS X Lion from the Mac App Store.
  • Connect the external hard drive you want to install OS X Lion on to your Mac.
  • Navigate to Applications>Utilities> and double-click Disk Utility.
  • Select the hard drive you connected from the pane on the left within Disk Utility.

How do I wipe my SSD Mac?

Secure Format an SSD (or the OS X Boot Disk) via Recovery Mode

  1. Reboot the MacBook and hold down the OPTION key, then select the Recovery partition.
  2. At the OS X Utilities menu, choose “Disk Utility”
  3. Select the hard drives primary partition (usually called Macintosh HD) from the left, then choose the “Erase” tab.

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.

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 install OSX High Sierra?

Plug in your macOS High Sierra bootable flash drive. Hold down the [option] or [alt] (⌥) key on the keyboard and power on the device. When you see the boot selection screen as shown, release the [option] key. Use either the keyboard’s arrow keys or the mouse to select “Install MacOS High Sierra.”

How do I do a clean install of OSX Mojave with USB?

3: Create a bootable macOS Mojave installer

  1. Download new macOS 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.

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.

Can I delete install macOS Mojave?

2 Answers. It should be in Applications, as “Install macOS Mojave” – just in case you were looking for it under “M”. The installer is simply an app, so like app apps, just put it in the trash and empty the trash.

How do I reinstall Mojave on Mac without disc?

How to Reinstall MacOS Mojave

  • Backup the Mac before going any further, do not skip making a full backup.
  • 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)

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 you reset a Mac Mojave?

Step 3: Erase Mojave

  1. Make sure your Mac is connected to the internet.
  2. Click on the Apple menu and choose Restart.
  3. Hold down Command+Option+Shift+R to boot into recovery mode.
  4. Click on Disk Utility in the macOS Utilities window.
  5. Select the disk with Mojave on it.
  6. Choose Erase.
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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.

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 restore my Mac to factory settings?

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

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

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.

What happens when you start a Mac in Safe Mode?

Safe mode (sometimes called safe boot) is a way to start up your Mac so that it performs certain checks and prevents some software from automatically loading or opening. Starting your Mac in safe mode does the following: Verifies your startup disk and attempts to repair directory issues, if needed.

What is recovery mode Mac?

To use Recovery Mode, reboot or start your Mac and hold the Command and R keys simultaneously on your keyboard as soon as you hear the familiar startup chime. Keep holding as your Mac boots, which may take a few moments depending on its specific configuration.

How do I put Mac on USB?

Create a bootable macOS installer

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

How do I make an external drive bootable?

Make a Bootable External Hard Drive and Install Windows 7/8

  1. Step 1: Format the Drive. Just place the flash drive in the USB port of your computer.
  2. Step 2: Mount The Windows 8 ISO Image Into A Virtual Drive.
  3. Step 3: Make The External Hard Disk Bootable.
  4. Step 5: Boot Off The External Hard Drive or USB Flash Drive.

How do I make a bootable Mac installer for an external hard drive?

How to make a bootable macOS installer

  • Plug in an external drive with at least 8GB space (preferably 12GB) as that’s how much the installer will require.
  • Launch Disk Utility (press Cmd + spacebar and start to type Disk Utility).

Photo in the article by “Wikimedia Commons” https://commons.wikimedia.org/wiki/File:Mac_OS_X_Leopard_Install_Disc_in_a_Mac_Pro_(2485906184).jpg

SVadmin/ author of the article
OS Today