How to start mac os recovery. Restoring your iMac system. How to reset an iMac or restore Mac OS X from a backup

Monoblocks Mac are customized individually for each user. If you sell or transfer your device to someone else, you will need to reset it to factory settings or reinstall the operating system. Before doing these procedures, be sure to remember your account information. apple records ID. Otherwise, you risk not going through Mac activation.

You can reset the settings in three ways: reset data to factory settings, restore and reinstall the system. In all cases, check that Find iMac is active before starting the reset or reinstallation process. If the function is activated, make sure that the authorization is passed under your ID, and you know the data (login, password) from it.

Find the function along the path: "system settings", then "iCloud". If there is a checkbox in the "Mac search" field, the function is active. To uncheck the box, you will need to enter the password from the ID. If you forgot your password, reset your password. After resetting, restoring and reinstalling, a password is also requested.

How to factory reset iMac?

Connect your device to the internet with good level signal. To format user data, make a copy of the data on a flash drive in advance. Use the reboot command in the menu. When loading, press the "Cmd" and "R" keys simultaneously. This is the exit to the "bios". The computer will boot through recovery mode.

The next window displays “ Utilities mac OS "on the iMac. Click " disk utility", Then" continue ". Specify the disk located on the left side. Click "erase" in upper area display. Click "Format" in the menu section and select "Mac OS Extended". Click "erase". The data formatting process starts. When it finishes, click Finish to go to the Disk Utility section.Now you need to reinstall macOS. Open the "recovery" section.

How do I reinstall the system?

In the "OS recovery" section, click "reinstall". Continue, specify the boot volume, install. Upon completion, the PC will reboot. If you have cleared the boot volume for sale, hold down Command + Q to exit the assistant. Turn off your computer.

An easy way to reinstall is to reinstall OS X from App Store. Mac installation The OS begins by disabling Find My Device and all company services. If you know the details from your authorized Apple ID, you don't have to. Open the store and go to the shopping section. Find the OS name in the list and download / install it.

Further in the recovery section using various key combinations, swipe the right way OS installation. Command + R puts the latest OS on the iMac without updates. Option + Command + R »OS is updated to latest versioncompatible with PC. "Shift" + "Option" + "Command" + "R" to install the OS from the package and those close to it.

Reset NVRAM

To restore your iMac to its original settings, reset the NVRAM. This is a special non-volatile memory that stores the startup parameters of the device. Resetting these settings will restart your computer and reset the all-in-one to initial settings... If there is a problem with the battery powering the NVRAM board, you need to reset the SMC. Diagnostics is needed to identify such problems.

You need to go to the "apple" menu and reboot. A window will open showing a one-minute countdown in the opposite direction. After a minute, the computer will automatically reboot the system. Press and hold the Option, Command and P, R keys at the same time. Press them until the gray display appears. Keep the buttons held down until the command is executed and the download starts. Then release the buttons, the system should boot.

How do I restore the system?

Connect your device to the internet with a high signal. When we restore the system, the user data is deleted, a fresh OS X copy is installed and the settings are reset to the factory settings. Go to the "apple" menu and click "restart computer". A window will be displayed with a timer for one minute, after the time has elapsed, the device will reboot. Hold down the Command and R buttons at the same time (while the gray display is lit). When "apple" is displayed, wring it out.

When the next window loads, select "disk utility". At the bottom of the display, click "continue". A notification appears that the device will send system information to the company's server to verify that the iMac is compatible with the version of OS that will be installed.

Click "continue". Specify "Disk Utility" in the set of options that appears after confirmation. Select the boot disk from the list. Click the "Erase" tab. Specify an extended upload form Extended. Change the disc title if necessary. Click "delete" to start the process. Enter your Apple ID login and password. Updating your iMac doesn't delete user data, but restoring it. Updating the OS means adding existing version functions modified by developers.

Reset personal settings a laptop or candy bar from Apple is possible in many cases. If your system starts to load for a long time, slows down during operation, the programs you need stopped opening and much more, then a reset is simply necessary. To find out how to reset your MacBook to factory settings, read our instructions.

Possible methods

First, you need to determine the extent of the problem that you are having. There are two ways to reset the system:

  1. full;
  2. reset system parameters to factory defaults.

In many cases (for example, a system or program freeze) is sufficient. Before resetting your Macbook Air, Pro, or iMac to factory settings using a reinstallation, please back up all important files and programs as this method involves cleaning hard disk.

The second option is simpler and more loyal - to fold only system parameters, but leave all the information on the disk intact. Let's consider both options step by step.

How to restore Macbook Air, Pro, iMac to factory settings?

This method is suitable if the problem with the computer is not serious and not critical. For example, long turn on, malfunctioning of any program, etc. In any case, we recommend that you use this method first before proceeding to reinstallation. To reset to factory defaults, follow these steps:

  • turn off your MacBook by any in a convenient way... You can also read about them in the next section of our site;
  • hold down the key combination Command + Option + P + R + power button;
  • wait for the power-on sound to be played twice, then release the keys;
  • after turning on the computer will be reset to factory settings. This way you can set up your MacBook like new.

How to restore a macbook air, Pro, iMac to factory settings: reinstalling the OS

Before this process, you need to do the following:

  • connect the internet to your computer;
  • copy all valuable information to external storage;

  • connect the device to a power source so that it does not turn off during OS installation;
  • Now let's move on to the installation process:
  • restart your Macbook in a convenient way;
  • during loading press the combination Command + R;

  • wait for the computer to start recovery mode;
  • in the window that opens, select the "Disk utility" item;
  • select boot disk;
  • go to the "Erase" section;
  • select the installed OS and click the "Erase" button;

  • then return from the menu with a choice of programs for recovery;
  • click the "reinstall OS" button;
  • after that, the computer will connect to the Internet and start downloading the distribution.

Restore macbook air, pro or iMac to factory settings, this method will not work without an Internet connection.

After the download is complete, the device will unzip all files and reboot. Next will appear main screen with settings. Login with apple account ID, select system language and so on.

If you do not have the ability to connect to the Internet, then you will need a bootable USB flash drive with the distribution kit. However, without the OS installer downloaded from the network, nothing will work. Now you know how to reset settings on a MacBook with two different ways and you can put them into practice.

Reinstallation of macOS (OS X) can be done for completely different reasons (selling a computer, solving software problems or those with iron). In any case, this is fairly straightforward (especially regarding computers on windows based) process not requiring creation bootable USB drive.

There are three main ways to reinstall macOS - from complete cleaning data (if you, for example, will sell a Mac), without deleting personal data and restoring from backup.

Attention!

  1. Both types of installation require an active Internet connection (the operating system is directly downloaded from Apple servers). If not, then you will need to create a bootable USB flash drive on another Mac or PC.
  2. If you care about the safety of your data, do not forget to make a backup (if you have a second drive on your Mac or an external hard drive, use the Time Machine utility).

Reinstall macOS (OS X) with full data formatting

Step 1 Start macOS in Recovery Mode by holding down Command (⌘) + R or Option (⎇) + Command (⌘) + R when you turn on or restart your computer (if you cannot boot from macOS Recovery, then thanks to this keyboard shortcut you will run macOS recovery over the Internet) until the Apple logo appears on the display

Step 2 When the download is complete, the utility window (macOS Utilities / OS X Utilities) appears. Open "Disk Utility" and format the system hard drive


For this:

  • select the volume or disk in the left side menu and click the Erase button
  • select "Mac OS Extended (Journaled)" as the format
  • enter a new name for the volume or disk
  • if you want to completely protect yourself and exclude further recovery of erased data by third parties, click "Security Options", by moving the slider, specify the number of overwriting cycles over the old data and click OK. Overwrite function is not available for SSDs
  • 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 start. If the computer is on sale, press Command (⌘) + Q and select Shut Down to new user customized the Mac to your requirements

Reinstall macOS (OS X) while preserving personal data

On Mac, you can reinstall macOS to the current version or an older version operating system without deleting personal data. The whole process is almost identical to the previous chapter, except that you do not need to complete Step 2 (refuse the Disk Utility service and do not format the hard disk). After selecting an item Reinstall macOS or Reinstall OS X Disk Utility will reinstall macOS to the version that was last installed on your Mac.

MacOS (OS X) Recovery with Time Machine

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

To restore macOS using 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 you cannot boot from macOS Recovery, then thanks to this keyboard shortcut you will run macOS recovery over the Internet) until the Apple logo appears on the display

Step 2 When the download is complete, the utility window (macOS Utilities / OS X Utilities) appears. From the utilities window, select Restore from Time Machine backup and click the Continue button. Then follow the instructions of the utility


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Apple specialists have developed the most advanced system restore mechanism, in which this function is practically not in demand - the iMac is well protected and works smoothly. But even advanced users can experience crashes. There are several ways to restore your iMac.

If your iMac detects an error, the Mac OS X Utilities menu opens automatically. You have the option to run it yourself. Before that, check the health of the Internet and the ability to access the App Store. Restart your iMac and hold down the Command and R buttons at the same time. From the Mac OS X Utilities menu, open the Disk Utility section. Then open “First Aid” and “Fix Disk”. The program will find the problem itself and quickly fix it. If the application fails to detect and fix the error, you will have to reinstall the system completely. In the Mac OS X Utilities menu, there is an item called Restore from Time Machine Backup. This option allows you to restore all data a certain date past tense. The system will prompt you to select the drive containing the saved copy. Do this and follow all subsequent prompts. You can only transfer a backup to the iMac from which it was created. If you want to install files on a new device, use the Migration Assistant. There is another way to restore your iMac. Enter the Mac OS X Utilities panel again. This time, select Reinstall Mac OS X. The system will ask you to choose required disk... Most likely it will be the only option offered. You can either clear it first or perform a reinstallation while saving the data. Make a choice. If you want to customize other programs, select "Customize" and follow the further prompts. You can restore standard settings iMac. To do this, you will have to delete all information. Therefore, before this procedure, save the necessary data to an external drive. Go to the Mac OS X Utilities menu. Go to the "Disk Utility" section and open "Erase". A new menu will be displayed. Open the “Mac OS Extended” option. Provide a name for the list and select “Erase”. After this procedure, in the “Disk Utility” tab, select “End Disk Utility”. Then, from the Mac OS X Utilities menu, open Reinstall Mac OS X. Follow all further prompts. After this procedure, you can copy all data from the saved copy of Time Machine.


If your iMac has Mac OS X Lion, you can reinstall it using the built-in recovery disc. It allows you to reinstall Mac OS X, recover hard drive and data from a copy of Time Machine. To start it recovery disk, restart your iMac and press the Command and R buttons at the same time. The rest you can do with the help of hints. You also have the option to create an external recovery disk. To do this, download the Lion Recovery Disk Assistant software. Insert a blank disc and run the program. Follow further prompts. After creating a recovery disk, the partition containing it will no longer appear in the Mac OS X Utilities menu. To recover, you need to insert the recovery disc, restart your iMac, and press the Option button. In the boot manager select “Recovery HD”. The system will tell you what to do next.

Now you know that restoring your iMac is very easy. Additional information You can read about system recovery in the Mac OS X Utilities menu in the Online Help section.

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Warranty and liability

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The reputation of professionals consists of several points

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Reliable and experienced service has been known for a long time.
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How many masters in directions

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They will try to solve the problem. In most cases, the description tells you what happened and how to fix the problem.

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