How to reinstall the system on MacBook Air. Installing Mac OS on MacBook

Quite often, MAC users face the following problem - how to return the computer to factory settings by resetting all user information, and reinstall the operating system "FINAL". Instruction for this process Presented below.

Mac, like most of the other Apple devices, is designed for personal use. And this means that usually the owners of the computers finely set up the system under themselves and another user will not work quite comfortably with it. If there is a need to completely get rid of the available data and settings, it is necessary to perform the simple steps described below.

Net installation MacOS: Preliminary actions

IMPORTANT: Before clean installation (reinstalling, flashing, reset to factory settings) Mac, be sure to check:

Li Mac attached to your, and not any other
Do you remember the credentials (login and password) of your Apple ID. You can check, for example, logged on on this page (from a computer).

The fact is that if the function has been activated on Mac (located along the way: System settings → icloud. → ), then after reinstalling the system (reset to factory settings), the system will ask for an Apple ID to which the device is tied.

ON THIS TOPIC:

How to return the factory settings on MacBook, IMAC, Mac Mini, Mac Pro (how to reinstall MacOS)

Mac load in recovery mode

1. Make sure that you connect to the Internet (for the subsequent MacOS installation), as well as connecting to the power grid in the case of MacBook.

Attention! Further actions will lead to full removal All data on Mac - save in advance necessary information on the outer carrier;

2. Restart the computer (or enable if it was turned off), using the menu  → Reload;

3. In the reboot process, press and hold the key combination that the most suitable for you is most:

⌘Cmd + R. - Installing the version of MacOS, which worked on the computer before the occurrence of problems. Those. Your Mac will install exactly the version that before.

⌥Option (Alt) + ⌘cmd + r - Upgrading to the latest version of MacOS, which is compatible your Mac. For example, if "Mac" worked on High Sierra, and the breakdown occurred already after the release of the MacOS Mojave final assembly, the system will load from the network and installs Mojave.

⇧Shift + ⌥Option (Alt) + ⌘cmd + r - Installing the version of MacOS, which was installed on a computer initially (or the next version to it from available).

Note: MacOS Sierra is required 10.12.4 or a newer version of the OS.

4 . Then the window will appear MacOS utilities (On versions below, MacOS High Sierra can be called "MacOS service programs"). Here you need to choose " Disk utility " and click " Proceed";

1 . Choose B. Disc utility Your drive in the menu on the left (usually Macintosh HD is at the very top).

2 . Click on the inscription First aid.

3 . Click Run. The application will check boot disk on "health condition", i.e. For performance and correct the existing errors. This process may take some time.

4 . After checking, click Ready.

Erasing the boot disk

1. In the application Disk utility, Select a proven boot disk, go to the section "Erase" (at the top of the screen);

2. On the menu "Format" Select APFS (for computers with MacOS Sierra and more old version OS Select Mac Os Extended.) and press " Erase;

3. Upon completion of the disk formatting process, click " Complete" to exit out Disc utility.

Reinstalling the MacOS operating system (reset to factory settings)

Reinstall MacOS using the appropriate item (screenshot below) and follow the instructions. Latest version MacOS will be downloaded from the Internet after which the MacOS reinstall process will begin. During this time, the computer can reboot.

Note: When installing "from scratch" you have to configure the parameters of your Mac and programs again.

Despite the fact that MacBook is known for its stability, as in other operating systems, when working with Mac OS, malfunctions may occur. Before reinstalling the Mac OS system on McBook, determine whether the failure is critical - maybe save backup that does not hurt files operating system And save personal data. If the return to the recovery point did not help either the backup cannot be made, like any other operating system, Mac OS can be reinstalled.

What you need to reinstall

Without an Apple ID work with devices on MacOS is impossible

Reinstalling OS on McBook - a simple process with which each user will cope with personal computer. First of all, the following tools will be needed for this task:

Directly mac itself, with active connection to the network.
Internet access through another device (including to use the Reinstall Guide from this site).
Know information about macbuke and installed mAC version OS.
In some cases, an installation flash drive is necessary.

Know the login and password from the Apple ID must necessarily

In addition to the usual reinstallation of the OS, you can restore the system, transferring copies from another MacBook or software update. All this is done only with an active Internet connection and stable access to the network.

How to reinstall Mac OS Sierra from scratch

Most. simple way reinstallation is to use for this purpose standard utility MacOS.

Using service programs, you can work with OS any version.

To start it, you need to know certain combinations and use a special procedure. Before starting reinstallation you need to be ready to enter apple data ID.

So, reinstalling using Macintosh utilities is made as follows:

During the start of downloading MacBook, two "Command" + "R" buttons are clamped - this will allow from zero to reinstall the version of the operating system that was installed.
If you clamp after switching on the three "Command", "R" + "Option" buttons - reinstall the system to the last topical version of MacOS.
If necessary, reset the operating system to the version that was installed when you buy MacBook, you need to simultaneously clamp the following keys: "SHIFT", "Command", "R" + "Option". This option is suitable for the sale of MacBook.

After one of three options was selected, when the computer starts, the keys are clamped at the time start. After that, the Macos Utilities window will be released, in which you need to select "Disk Utility".

In the disk utility you need to select the disk and delete data from it.

After all the data from the disks erased, the computer will independently make a reboot and launches the MacOS Utilities program in which you want to select "Reinstall MacOS" (Reinstall OS Sierra or OS X, the name is determined automatically). The operating system on the MacBook will be reinstalled in the version that the user requires, choosing using one of three types of hot keys by pressing one of the three types of hotkeys.

After the reinstall button is pressed, you will need to confirm the action several times by pressing the "Next" button, read and accept the Terms of the Company's license agreement, then enter the password and login from the Apple ID profile to which McBuck is tied and wait for the completion of the operation. After the installation is completed, you need to spend final settings.

How to install the system without formatting an internal disk

If you need to reinstall MacOS without deleting data, then everything is performed as follows:

Turn on the computer.
Clear hot buttons: "Command" + "R" (or other, full list in the previous section of the article).
In the window that opens, you need to select "Reinstall OS" or "Reinstall MacOS" (the name depends on the selected option).
Agreeing by S. license Agreement, you need to choose which hDD It will be installed.
Enter data from Apple ID.

After that, the computer will independently load the firmware, it will restart and reset the operating system, while all data on the inner disk will be saved.

How to reinstall Mac OS with installation flash drive

Installation USB flash drive can be created for any operating system.

Installing the operating system on top previous version You can make not only with the help of a standard utility, but also using a flash drive. To do this, you first need to download MacOS and create an installation flash drive using a removable medium.

It is done step by step:

The installation image of Mac OS X is possible at the company's official store or other site on the Internet.
After downloading, you need to click on the downloaded file with the right key and select "Show Package Content".
After that, you need to go to the hard disk / contents / sharedsupport partition and copy the installesd.dmg to insert it into any folder on the media.
Installate the installesd.dmg file to the desktop.

After that, you can start creating a boot flash drive, for this you need to start the service application from MacOS - "disk utility" and make the following actions:

First you need to insert a removable media that will be an "installation flash drive"

In the Disk Utility program you need to start a component with the name of the flash drive.
Next opens the tab to "split disk".
The name assigned to the disk should be simple so that it can be easily found in the list of computer media.
Here you need to choose the location of the partitions - for example, the "current".
In the "Parameters" tab, you need to mark the "GUID partition scheme" and click the "OK" button.
Next, the Restore tab opens in which you want to make settings: the source role should be an image, in the destination removable medium, then click "Restore".
The disk utility will independently create an installation flash drive and notify the end of this action.

In order to start the installation, you need to reboot PC

When creating and copying an image on the MacOS installation flash drive will be completed, you can start installing the operating system. To do this, you do not need to remove the installation flash drive, and only restart the computer:

After the start of the reboot, you need to press and hold the "Option" button.
The media selection window appears.
You choose the disk to which the OS will be installed and erase the data from it (Erase).
Then go through the "Reinstall MacOS" button.

The operating system from the loading flash drive is installed from half an hour to two hours. After the installation is completed, it will be necessary to spend the final setting.

MacOS recovery from backup

In order to restore the operating system on the MacBook from the backup, you need to start the standard utility program "Utilities MacOS", using the "Command" and "R" buttons while downloading a personal computer. After this operation, the "Makos utilities" window will appear, here you need to select "Restore MacOS from the backup". Reinstalling such a system as Mac OS in this way, is possible only if there is a predetermined backup in Time Machine.

Time Machine - the only way to store backup MacOS

Transferring a copy of Operations and your data to another MacBook

Thanks to Apple technologies, it is possible to transfer not only the operating system, but also all user data using the MAC service application - "Migration Assistant". To work with the application, you need a MacBook donor and another computer on the operating room macintosh system or Windows.

First, both computers need to be connected to each other. help Wi-Fi or LAN cable using standard local network. Before starting the transfer of the OS, you need to close all programs on both computers, after which you need to open the "Utilities and Programs" section and select the Utilities Assistant Migration.

After the Migration Assistant is running on the PC recipient, you need to select import data from three options that determine which method information will be transferred. The same item must be selected on another computer. After that, the utility will request a security code that must match.

After all actions are confirmed, you need to choose which data will be transferred. If necessary precise copy Operating system and data on another McBook, then you should select all items.

You can transfer data and settings to another MacBook partially

Usually, data transfer and applications from one to another computer takes no more than two hours, but if the data is a bit, then the entire operation may take just half an hour.

Final setup before operating

After restoring, installing or reinstallation, you will need to initially configure the operating system. It will allow you to properly configure a personal computer and provide usability. Menu initial settings The functionality starts automatically, you need to specify the following data:

Region location.
Type and keyboard language.
Wi-Fi Connection Settings.
Method of transferring data from the old computer.
Verification data account Apple. ID.
Parameters of the future account.

Problems arising from reinstalling MacOS

Any problem with MacOS can be solved by recovering before the previous backup

Arriving problems when working with an operating system X OS or other MACOS versions may mean that components came to unsuitability or damaged any segments of a personal computer. Most often, users indicate the following errors:

In Time Machine, there are no fresh backup copies and it fails to restore the data - this happens because of the disconnected reserve copyTo have the ability to restore the operating system from the repository, you need to enable automatic backup.
If an error is constantly arising when you try to back up, reinstall, installing the operating system using Time Machine, it may mean that the external carrier is damaged or unsuitable for use, in this case the only solution to the Apple service center is the only solution to the problem.
MacOS update error - this problem It occurs if Apple no longer supports MacBook and update it, in this case the only way out is content installed version Macintosh.
After upgrading or installing a new version of OS, the computer began to work slower - it means that the minimum system requirements OS exceeded specifications Computer.
Personal computer began to freeze without updates and reinstallations - there was a need to replace the internal drive.

Other problems may occur when recovering, installing and reinstalling the operating macOS systems. All questions can be resolved by contacting the Apple service center, mostly not free.

Installing updates

In order to install latest updates from Apple for MacBook Pro. Or other models on the Makintosh operating system, you need to press and hold the keys when loading the computer: "Option", "Command", "R". After that, the update is being installed using the MacOS utilities.

Video instruction

Installing the MacOS operating system is as easy as reinstalling Windows. If the instruction in this article did not help, you can figure out this situation with the help of a video below.

If the article, photos or video about reinstalling the OS on MacBook did not help, then for help and tips you can contact the reference service service Center Apple companies. Usually the help of employees costs a certain amount, but there are exceptions. In order not to make difficulties in restoring the system, the user is recommended to follow to work backup to Time Machine.

Mac OS X Yosemite is a system represented by Apple in 2014. This is the most relevant and perfect Mac OS from the systems proposed by the manufacturer of "apple" techniques. We offer to find out how it is performed Installation from scratch. We also analyze the question of reinstalling the Yosemite system itself to restore the factory settings.

How to better install the system?

Mac OS X Yosemite is available in the AppStore. There are two options for its installation:

Over old system;
Pure setting from scratch.

You have the ability to install Mac OS X Yosemite right on top of the old OS X Mavericks. It is advisable if you value the current state of the file system, installed programs and their settings. All data will remain in the same place, changes will affect only the operating system. But the performance of many programs can be broken. Compatibility and updates can deliver many inconveniences.

Installation from scratch eliminates many system problems. Factory settings will be fully restored. This will help get rid of extra installed applications, unnecessary data, etc. We will examine more this process.

Installing Mac OS X Yosemite from scratch

With a clean installation, the system is entered in formatted section hard disk. Another option is to use a new drive. The key step is to back up the most important data from the hard disk. You are offered instructions for installing a system from scratch.

Loading system

Download OS X Yosemite in AppStore. Do not run anything and do not try to install. We need a system image. Installation is carried out using a boot flash drive.

Creating a USB flash drive

By downloading the update from the AppStore, we act as follows:

Run the disk utility;
In the left panel, select the drive, right - go to the "Disk section" tab;
In the section "Section Scheme" menu, select "Section 1". The name of the disk is "Yosemite", the "Mac OS Extended" format must be selected.
Go to "Parameters", select the GUID section scheme. Click "Apply".
The disk utility starts formatting a flash drive.
From the "Utilities" folder, run "Terminal".
To create a flash drive, perform the following command:

We enter the administrator password.
To create a loading flash drive, it will take 10-15 minutes.
After successfully completing the procedure, reboot Mac. When loading, hold ALT.
You can start installing Mac OS X Yosemite.

Installing Yosemite.

By creating a USB flash drive and restarting Mac - follow the instructions:

We go to the "Downloads" menu and select the Mac OS X Installer.
You need to open the "disk utility" and select a disk with the formatting system. Go to the "Erase" tab.
In the "Format" menu, "Mac OS Extended" must be selected, the disk name is written.
Click "Erase", thereby running the disk formatting process.
Close the "disk utility" and open the "Install Mac OS X" section.
Specify the Yosemite boot disk and run the installation process.

Starting the installation process involves following the instructions of the installer. Select the necessary parameters, soon the system will be ready for use. After installing Mac 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, it may be necessary to reinstall its following cases:

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

So, answer the question how to reinstall Mac OS X Yosemite. To do this, you need to erase the Mac data and reinstall the system. Do not forget to create a backup copy of valuable files. To restore the 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.

The Mac OS X operating system is considered one of the most reliable and stable, but unfortunately, it is completely insured completely from trouble. That is why the MAC user needs to know how to reinstall Mac OS X via Recovery alone. Such a reinstall is possible in all OS for computers applestarting with Mac OS X 10.7 Lion. Recovery mode allows you to download when connecting to the Internet actual version operating system and install it without resorting to record files on media. Reinstalling Mac OS X via Recovery is very convenient for MacBook owners, as most new laptops are available without an optical drive, and the creation of the loading flash drive can be quite troublesome, especially for a beginner.

Apple developers have provided the ability to not only download the operating system from the network, but also restore from a backup using Time Machine, as well as to correct files using a special "disk utility". If you notice that your Mac operating system does not work as before, it is necessary to start troubleshooting the problem from checking the disk "disk utility". If the elimination of errors did not help, then it is worth thinking about restoring Mac OS X through Time Machine or downloading the operating system files from the network. We will look at how to reinstall Mac OS X from the Internet.

How to enter B. recovery mode

First, make sure your Mac is connected to the Internet
In the usual way, turn off your computer. Sometimes, with the "hang", it is impossible to do with the menu - in this case the device turns off using the POWER button
Wait 30-40 seconds (this is done in order not to damage the hard drive of the device) and turn on the MAC power button. Immediately after turning on, hush ⌘cmd and r on the keyboard.
After executing the actions described above, the Mac OS X utility selection will appear on the computer screen.

Connect to the Internet via Wi-Fi
Select from the "Reinstall Mac OS X" list
Best patience, since the volume of the OS files is sufficiently impressive and much depends on the speed of the connection to the network

Sooner or later the day comes when you need to reinstall the Mac OS operating system on the MacBook PC. This task is not more difficult than reinstalling Windows. This will be discussed.

Why and how to reinstall the operating system on McBook

The reasons for reinstalling the Mac OS operating system on the MAC computer are as follows:

damage or wear of the built-in drive (HDD);
sale or donation of MacBook to another person;
"Moving" to another MacBook (more new modelbut with the preservation of the former version mAC systemsOS);
transferring data to Apple gadgets or another computer.

What happens to reinstall MacOS:

Purification of the boot volume if necessary

Then check the articles from this article. A request for the choice of boot volume will appear, select Tom and click Install. . Thus, you can restore your system from the recovery section, if something goes wrong. Some users may be useful to pay attention to the contents of the application folder for the subsequent link. The screen snapshot can be sufficient, but if not, the following steps describe an easy way to create a list of applications.

To complete the process, you will need a few minutes, so leave it in working condition. And it is especially useful that the new user has a good clean car that returned to its factory condition. Most people have this feature is not included.

"From scratch", including the formatting of the built-in disk;
reinstalling "over", with preservation of personal data and applications (MacOS update).

For example, using MacAppstore, you can update the version of OS X Lion and OS X Mountain Lion to a newer one - OS X Mavericks.

Procedure for the sale or transfer of a computer Mac to another user next. It should be mentioned on it.

But it is always better to check. But you are allowed to resolve up to 5 computers. Do not worry, you do not lose content, and nothing is deleted from your computer. When you deactivate your computer, you prohibit it access to protected content. And if necessary, you can authorize your computer later.

Do not save this step later. If you sell or give a computer that still has one of your five authorizations, you need to cancel the authorization of all your computers, and then re-allow all you still use. It is damn a lot of trouble and time for something that you can do now before giving or selling.

Backing up personal data with MacBook for a separate medium or "cloud" service.
Disable special services and functional controlling and data transfer functional.
Erasing all personal information from the disk.

Attention! Before you begin reinstalling MacOS on a PC MacBook - Break out to save all your data on the outer carrier! This is at first and will be speech.

Here you see the number of computers that you allowed in the past. Unfortunately, it does not list the names of these computers. Therefore, if this number does not agree with you, try to cancel the authorization of your computer several times until it is permanent.

Deactivate programs and delete other powers

In addition, select "Devutorize all computers" to clean five permissions. Then re-authorize all your computers one by one. Many third-party applications include authorization and activation of the machine, in particular programs for editing images, sound and video. Activation of the application is the process of connecting a specific application to a valid user license.

Backing up data using Time Machine

The Time Machine application is created to back up personal files with MacBook and their reverse restoration on it. But it requires external USB disks (HDD, SDD drives) formatted in MacOS Extended or XSAN - file Systems FAT / NTFS, designed for Windows and Android, are not supported. If the disk was first formatted in FAT / NTFS - MacBook formats, it will not accept it in case of refusal to reformatting "for itself."

You must activate your application before you can use it. On the other hand, deactivation disables the application from the actual user license. After deactivation, you can re-activate this license at any time on any computer.

Therefore, check the list of applications, look for programs that require key activation. After you are, go to the program menu bar and find the deactivation reference or deavitory. Its utilities allow you to completely erase the inner hard disk.

Reinstalling Mac OS X and Apple programs

After placing, download and install it from this product page. We set many applications, updates and, possibly, even think about the software of the operating system using the terminals or third-party applications.

The Time Machine application starts from the MacOS system settings in the Apple menu. When connected external hard disk The appropriate notification will appear.

Really want to destroy all the data recorded on this drive in other format?

If a external disk It was already formatted, the Time Machine app will give "good" to its use. Confirm the request.

This is a real and expected use. This is the value and price of experience. And the new owner starts a new start - without interference remaining from all your previous applications, preferences, etc. Important! We have a bypass process, which should allow you to create backup copies and restore the history of messages on your desktop, however, we cannot guarantee that it will work. Enter the "Terminal" and open the application.

Copy and paste the folder with the phone number to another place. Follow the cleaning instructions below, reinstall. Do not forget to clean the basket after. Are you still experiencing the same problems? Until now, the malicious program was well described quite well and did not wear a viral character, so for any particular option it is installed in one place and runs from there to affect the system. As a result, when the option was characterized, you must remove it from your system, following detailed instructions.

Do you really want to copy your data to this disk?

If Time Machine does not show a disk selection - do the following.

How to reinstall Mac OS with installation flash drive

Preliminary actions are as follows.

Update from the App Store

This is a recommended approach; However, he relies on the definitions malicious programswhich were determined for malicious software, which can fall behind the initial results of malware. If you decide that it would be better if you played it safely and wipe your system and started again, following this procedure, you should be able to do this by saving your data.

Synchronization and backups First make sure your system is properly synchronized with your cloud services to ensure the preservation of elements such as contacts and calendars. Such actions will allow you to restore some of these items without relying on the synchronization service to manage them for you. When you finish backup, unconfigure and disconnect outdoor hard The disc that you used for backup. Do not choose the recovery option from the backup. Restore data from backup. The next step is to copy data into the system from backups. If your contacts and calendars are missing, you can re-import them from previously created backup copies manually. When you installed your applications, be sure to fully update them, and then open and configure them according to your preferences. At this stage, your system should be back to the working condition, and you should be able to continue your workflow, as it was before reinstallation. In addition to synchronization, make sure your backup system. . The last step in this process is to protect against further infection.

Load the installation image of the Mac OS X operating system from the Mac App Store or third-party sites.
At the end of the download, right-click on the downloaded file and select "Show Content Package".
Switch to the / Contents / SharedSupport / folder, copy the installesd.dmg file to a secure disk space and mount it to the MacOS desktop.

We will need the application "Disc utility", which is part of MacOS. Further steps are.

Install the reverse firewall to help detect and block programs from home call on remote servers And consider installing the anti-virus utility. Although you do not need to customize the anti-virus tool for thorough scanning of all files on demand, you can configure it to scan only shared folders to download, and then once a week or perhaps once a month so that he browsing the entire system. So far, despite the latest malware news, this should be enough to prevent malicious software and provide you with sufficient protection.

Click on the Installation button