How to reinstall macOS on a MacBook. How to reinstall Mac OS on a MacBook

Any user may need to update the system on their Mac. However, hardly 25% of the population can boast of the ability to do this. But there are many ways that won’t be difficult to learn. This method very simple and fast. The OS can be “refreshed” in just three steps. The first step is to make sure that this system Fits your Mac model. To do this, at the top of the screen on the left side, click on the “Apple” icon, select “About this Mac”, and then “More details”. Next, personal information must be indicated. Models that are suitable for OS X Mavericks – iMac (from 2007), MacBook (2008-2009 or later), MacBook Pro (from 2007), MacBook Air (2008 and later), Mac mini(from 2009), Mac Pro(from 2008), Xserve (from 2009).

Step two - in the “About this Mac” item you can also find out what version of the OS is installed. Mavericks will only replace - Snow Leopard(10.6.8), Lion (10.7) or Mountain Lion(10.8), however, if you have more than old version, updating to the latest will allow you to use this service. Step Three – Open Mac App Store, “Download” the desired OS. Next, installation will be very simple using the built-in instructions. If for some reason you can’t handle it yourself, don’t take your device to dubious technicians. Contact consultants from stores or user support centers.

Updating MacBook OS

The second step mentioned updating the operating system to more new version. How to do this? The Mac App Store provides notifications about programs and the system itself when they are ready to be updated. On the notification, click “More details”, after which, if the “Update/Install” buttons are available, download the program or OS.

The “Reboot” button may also be active; this usually happens when installed software/OS requires a reboot to be “assimilated” by the computer.

Reinstalling OS X Sometimes it becomes necessary to reinstall the operating system on a MacBook. Important factor reinstallations - access to the Internet. Restart your Mac by holding down the (⌘) and R keys. Make sure the Internet is connected. Select the reinstallation option, and then “Continue”. Detailed instructions will fully describe further actions , when selecting a disk, select the current one Mac disk

Mac OS X Lion has a built-in recovery disc that can be used to both reinstall the OS and restore hard data disk or Time Machine. In order to call this disk, you need to restart your Mac by holding down the keys (⌘) + R, as before. You also have the opportunity to create an external recovery disk, but this will be discussed in detail in another article.

This article examined in detail the most simple ways reinstalling the operating system. But it is worth recalling that if non-compliance simple rules, You may damage your MacBook. If you are not confident in your abilities, it is better to entrust the matter to professionals.

Reinstalling mac OS (OS X) can be run completely various reasons(computer sale, solution software problems or those with iron). In any case, this is quite simple (especially with respect to computers on Windows based) a process that does not require creation bootable flash drive.

There are three main types of macOS reinstallation - with complete cleaning data (if, for example, you sell a Mac), without deleting personal data and restoring from backup copy.

Attention!

  1. Both types of installation require an active Internet connection (the operating system is directly downloaded from Apple servers). If there is none, then you will need to create a bootable USB flash drive on another Mac or PC.
  2. If data safety is important to you, do not forget to make a backup copy (if you have a second drive on your Mac or an external hard drive, use the Time Machine utility).
    3.

Reinstalling macOS (OS X) with full data formatting

Step 1 Do launch macOS in recovery mode, for which, when turning on or restarting the computer, hold down Command keys(⌘) + R or Option (⎇) + Command (⌘) + R (if booting from macOS Recovery fails, this keyboard shortcut will launch macOS Online Recovery) until the Apple logo appears on display

Step 2 Once the download is complete, the utilities window will appear ( Utilities macOS/OS X Uliliths). Open Disk Utility and format the system hard drive


For this:

  • select the volume or disk on the left side menu and click on the Erase button
  • Format select "Mac OS Extended (Journaled)"
  • enter a new volume or disk name
  • if you want to completely protect yourself and exclude further recovery erased data by third parties, click “Security Settings”, use the slider to specify the number of overwrite cycles over the old data and click OK. Overwrite feature is not available for SSD drives
  • click Erase and Done

Step 3 From the utilities window, select Reinstall macOS or Reinstall OS X


Step 4 After downloading and installing macOS, the computer will restart and the setup assistant will launch. If the computer is for sale, then press the keyboard shortcut Command (⌘) + Q and select Shut down to New user configured the Mac to your requirements

Reinstalling macOS (OS X) while maintaining personal data

Possible on Mac reinstalling macOS to the current or older version operating system without deleting personal data. The entire process is almost identical to the previous chapter, except that you do not need to perform Step 2 (opt-out of Disk Utility and do not format the hard drive). After selecting the item Reinstall macOS or Reinstall OS X in Disk Utility, macOS will be reinstalled to the version that was last installed on the Mac.

Recovering macOS (OS X) via Time Machine

If you have a macOS backup created using the Time Machine utility, you can perform a system restore. During such recovery hard The disk is cleared and all its contents are replaced with data from the latest macOS and information from the Time Machine backup.

To restore macOS via Time Machine, follow these steps:

Step 1 Start macOS in recovery mode by holding down the Command (⌘) + R or Option (⎇) + Command (⌘) + R keys when you turn on or restart your computer (if booting from the macOS recovery partition fails, then thanks to this keyboard shortcut you will launch macOS recovery over the Internet) until the Apple logo appears on the display

Step 2 Once the download is complete, a utility window will appear (Utilities macOS programs/ Uliliths OS X). From the utilities window, select Restore from Time Machine backup and click Continue. Next, follow the instructions of the utility


Do you want to receive more useful information? Subscribe to our pages on social networks.

To fix bugs and improve your computer's performance, you need to periodically reinstall OS X. The reinstallation process only takes a few minutes and is a fairly simple process. If you have a backup of all important files, then there should be no problems during installation. See Step 1 to learn how to reinstall OS X 10.5 (Leopard) and 10.4 (Tiger).

Steps

Part 1

Preparing for installation

    Back up your data. Reinstalling OS X will delete all data on your computer. Therefore, you need to copy all important documents, photos, videos and other files to at least one third-party storage media.

    • You can burn backup files to DVD, copy them to external hard disk or even upload them to an online data storage.
    • Make sure you back up everything necessary files. After installation, you will not be able to recover files deleted during the installation process.
    • During the installation process you can export all your custom settings and files, but for best performance It is recommended to install the system from scratch.

  1. Start the installation process from your work computer. If your computer can boot OS X, you can start the installation process from within the operating system itself. Paste the installation DVD disc into your computer and wait until the icon appears on your desktop. Double-click the "Install Mac OS X" icon and then click Restart.

    Start the installation process from a non-working computer. If your computer won't boot into OS X, you can start the installation process by booting from the DVD. Restart your computer while holding down the key Option. The Download Manager will launch, which will list all possible sources downloads.

    • Once the Boot Manager starts, insert the OS X installation DVD. After a while, the DVD will appear in the list of download sources. Select it to restart your computer and boot from the DVD.

  2. Select your installation type. Click on the button Options... in the "Select installation path" window. When installing OS X, you have two options: Backup and Install and Uninstall and Install. Select suitable type process and click on the button OK.

    • "Backup and Install" creates a copy system files and then performs the installation. If you choose this type, you can also save user data and network settings. This option is not recommended if you are experiencing problems with your current installed version OS X. With this installation method, you will have to manually reinstall all existing programs, otherwise they may not work properly.
    • Uninstall and Install removes the entire contents of the disk and installs OS X from scratch. This deletes all data, so make sure you back up all important data. This is the preferred option as it solves the majority possible problems and improves system performance.

  3. Select the installation path. If your computer has several hard drives or disk partitions, you can choose where to install OS X. The number of free space disk space and the amount of space required to install OS X. Select HDD on which you want to install OS X and click on Continue.

    • Use the "Format Disk As" drop-down menu to select the "Mac OS X Extended (Journaled)" formatting option.
    • Make sure you are not attempting to install to a Recovery disk or Storage disk.

  4. Select the software you want to install. The installer will show a list of all additional packages programs that will be installed with OS X. If you don't have a lot of hard drive space, you can discard the least important files by clicking Customize....

    • Expand the "Printer Drivers" section and uncheck any drivers you don't need.
    • Expand the "Translation from other languages" section and uncheck those languages ​​that you will not use.

  5. Start the installation process. Once you have chosen additional programs, you can begin the operating system installation process. To start installation, click on the button Install.

    • The installation status indicator will allow you to determine how much time remains until the installation is completed. The installation process is completely automatic. Once the installation is complete, your computer will restart.

Part 3

Setting up OS X

  1. Customize your keyboard. The first thing you will be asked to do after restarting your computer is to configure the keyboard. Follow the onscreen instructions to discover and set up your keyboard.

    Install home region and keyboard layout. After that. Once the keyboard is detected, you will be prompted to select a region and keyboard layout. If you often take your computer on trips, set the region to your home region.

    Decide if you want to transfer any data. Since you are doing a fresh installation, you have no data to import. Later, you can copy the previously saved backup files. Select "Don't share any information now" and click Continue.

    Enter your Apple ID. If you have an Apple ID, you can use it to sign in. This way you can sync your settings with your other Apple devices. You can read about how to create an Apple ID in the corresponding article. Entering your Apple ID is optional.

    • You can also choose whether you want to register your software with Apple. This may help you obtain official support.

  2. Create an administrator account. The administrator account is Account with rights to change system settings and software installation. If this is your computer, enter your name in the "Name" field and a nickname in the " Short name". Often, users enter their name with a small letter in the "Short name" field.

    • The short name is used to create a home directory label.
    • It will be very difficult to change the Short Name later, so make sure you are happy with it.
    • The administrator account requires a password. If you want, you can add a password hint.

  3. Start using OS X. Once the Installation Assistant has completed its work, you can begin using the newly installed operating system. You will need to reinstall programs that you previously used and copy previously saved backup copies of files to user directories.

  4. Install all available updates. After installing OS X is complete, you should install any available updates as soon as possible. This will help secure the system and increase performance. You will need to download updates from Apple, so your computer must have an Internet connection.

    • To download Latest updates, go to the Apple menu and select "Software Update...". The program will check for availability available updates and will show you a list of them. Select all the updates you want to install and click the button Install. Updates will be downloaded from Apple servers and installed. Once the installation is complete, you will need to restart your computer.
    • Repeat the process. Some updates are only available when previous ones are installed. Repeat the process of checking for and installing updates until the list of available updates is empty.
  • After reinstalling the operating system, always install all official Apple Software Updates.

Warnings

  • Before any system reinstallation, always make a backup copy of your files. Even when doing Archiving and Installation errors during the installation process may result in data loss.
  • By doing Archiving and Installation use installation CD with the same version of the operating system that is installed on your computer. For example: if your computer originally had Mac OS X 10.4 (Tiger), but you upgraded it to Mac OS X 10.5 (Leopard), then do Archiving and installation using the Leopard CD.

Mac OS X Yosemite - the system presented by Apple in 2014. This is the most current and advanced Mac OS among the systems offered by the manufacturer of Apple technology. We invite you to find out how it is done installation from scratch. We will also look at the issue of reinstalling the Yosemite system itself to restore factory settings.

What is the best way to install the system?

Mac OS X Yosemite is available in the Appstore. There are two options for installing it:

  • On top of the old system;
  • Clean installation from scratch.

You have the option to install Mac OS X Yosemite directly on top of the old OS X Mavericks. This is advisable if you value current state file system, installed programs and their settings. All data will remain on same place, the changes will only affect the operating system. But the performance of many programs may be impaired. Compatibility and update issues can cause a lot of inconvenience.

Installing from scratch eliminates a lot of systemic problems. Factory settings will be completely restored. This will help get rid of excess installed applications, unnecessary data, etc. Let's look at this process in more detail.

Installing Mac OS X Yosemite from scratch

At clean install the system is entered into the formatted partition hard drive. Another option is to use a new drive. The key step is backup critical data from your hard drive. You are invited instructions for installing the system from scratch.

System boot

Download OS X Yosemite from the AppStore. We don’t launch anything or try to install anything. We need a system image. Installation is carried out using a bootable USB flash drive.

Creating a USB flash drive

After downloading the update from the Appstore, proceed as follows:

  1. Launch Disk Utility;
  2. In the left panel, select the drive, on the right, go to the “Disk Partition” tab;
  3. In the "Partition Scheme" menu, select "Section 1". The disk name is "Yosemite", the format must be "Mac OS Extended (Journaled)".
  4. Go to "Options", select the GUID partition scheme. Click "Apply".
  5. Disk Utility begins formatting the flash drive.
  6. From the "Utilities" folder, launch "Terminal".
  7. To create a flash drive, run the following command:
  1. Enter the administrator password.
  2. It will take 10-15 minutes to create a bootable USB flash drive.
  3. After the procedure is successfully completed, reboot the Mac. When loading, hold down Alt.
  4. You are ready to install Mac OS X Yosemite.

Installing Yosemite

After creating a flash drive and rebooting the Mac, follow the instructions:

  1. Go to the "Downloads" menu and select " Mac Installer OS X".
  2. You need to open Disk Utility and select the disk with the system to format. Go to the "Erase" tab.
  3. In the "Format" menu, "Mac OS Extended (Journaled)" must be selected, and the name of the disk is written.
  4. Click "Erase", thereby starting the disk formatting process.
  5. Close Disk Utility and open the Install Mac OS X section.
  6. Specify boot Yosemite drive and start the installation process.

Starting the installation process involves following the installer's instructions. Select the necessary parameters, the system will soon be ready for use. After Mac installations OS Yosemite You can start using the system from scratch or transfer files from Time Machine.

Reinstalling Mac OS X Yosemite

If OS X Yosemite is already installed, you may need to reinstall it in the following cases:

  • System failures;
  • Errors when installing updates;
  • Disk cleaning;
  • The need to restore factory settings.

So, let's answer the question, how to reinstall Mac OS X Yosemite. To do this you need to erase Mac data and reinstall the system. Don't forget to create a backup copy valuable files. To restore factory settings, you need to use the built-in recovery disk. To reinstall the system, an Internet connection is required, as well as a connected power adapter.

Modern technology is constantly evolving. At the same time as technology is developing, software? under which it operates. But despite continuous improvement, does the software still crash at times? and it needs to be reinstalled. There are several ways to reinstall: recovery, or the so-called installation from scratch.

In a special hard section Macbook drive Air stores utilities that allow you to restore the system. To start recovery mode during boot, hold down the “Command” and “R” buttons until the Apple logo. The appearance of the logo indicates the start of the recovery process. Once the recovery is complete, you should load into a clean desktop with the operating system menu bar as well as the application window “ Mac Utilities OS". If your desktop boots, it means something is wrong. Restart OS recovery. It is also possible to reinstall the system via the Internet. This is used in case it is impossible to recover from the hard drive when, for example, the recovery partition has been damaged or erased. As in the first case, to start the recovery, hold down the “Command” and “R” keys. Restoration occurs via WiFi directly from remote servers Apple. Since the recovery process is completely automated, the user's options are significantly limited. You will be able to select a communication channel or enter a password for WiFi connections


. After the recovery is complete, the MacBook will reboot and you will see the desktop. You can reinstall your MacBook using remote drive . To do this, enable this function in the settings. Run remote installation system from the “Utilities” item, which is located in “Applications”. To provide quality installation


system, follow all instructions displayed on the screen.


The most modern MacBooks support the ability to reinstall from a USB drive that comes with the device. To do this, connect the flash card to the device and start it. In the window that appears, select “Reinstall MacBook”. Wait for the process to complete and restart your device. By following these instructions, you can always reinstall the system on macbook air