How to go back to an older version of macOS

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How to return to the old version of mac and os

The specific method is as follows: Click the power button of the Macbook and hold down the Command R key combination at the same time. This operation will load the automatic version of the Apple notebook. Recovery function. After performing the above operations, the dialog box as shown in the figure will pop up. Select Disk Utility and click Continue.

Restart your Mac computer and hold down Command R or Command Option R to enter OS X Utilities. Select Disk Utility in the OS X utility interface to erase the storage records on the disk. Once the disk restore is successful, select the Reinstall OS X option. Then enter the installation interface, find the consent option, and click Select.

Drag the new item released from the MAC disc under the DMG file, "Mac OS X install DVD", to the "Source Disk" item. Click "Restore" in the lower right corner of the window to start the installation preparation in hard disk form.

First find and open the app store on the mobile desktop, and find the search bar of the app in the pop-up interface. Click the search bar option, and then enter the name of the app you want to downgrade back to the old version in the search bar. Click the search button on the right and wait for a while before the search results will be displayed on the interface.

Download the macOS Catalina system (do not install). Plug the U disk into the computer, open "Applications → Utilities → Disk Utility", and "erase" (format) the U disk into "Mac OS X Extended ( "Logged" format, GUID partition map, and name the USB disk "Catalina".

The specific operation steps are as follows: Tools/raw materials: Apple macbookpro, macOS BigSur12, Apple system 12. After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue.

How to restore an Apple laptop to be like a new machine?

If you want to restore your Apple laptop to factory settings and turn it into a new machine state again, you can follow the steps below:

1. Back up data: After restoring the computer to factory settings Before doing so, be sure to back up your important data. You can back up your data using tools like Time Machine or iCloud.

2. Turn off Find My Mac: If you have turned on the "Find My Mac" feature, please turn it off first. In Finder, go to System Preferences - iCloud and uncheck the Find My Mac option.

3. Enter recovery mode: Restart your Apple laptop and immediately hold down the Command and R keys until the Apple logo appears or enter recovery mode.

4. Select a recovery option: In recovery mode, select "Disk Utility" to erase all data on the hard drive, or select the "Reinstall macOS" option to install the latest version of the macOS operating system.

5. Complete the recovery: Follow the on-screen prompts to complete the operation. When the operating system is installed, you can follow the prompts to set up your Mac and restore your files and folders using previously backed up data.

Please note that restoring your computer to factory settings will delete all applications, personal files, and personal settings, restoring it to a new state. Therefore, before starting this process, make sure you have backed up your data.

How to restore macbookair to the original system?

1. Restart the computer, and then press the Command R key combination. The method is as follows: Restart the macbook air. When the system restarts, press the "command R" key at the same time to enter recovery mode; in the macos utility window, select "Disk Utility", then select "Continue"; click on the main hard drive, and then click "Erase" ".

2. After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue. Select the first disk and select Erase in the upper right corner.

3. Turn on the computer, click [System Preferences] in the upper left corner, then click to erase all content and settings, click [Continue], and follow the system prompts to restore factory settings.

How to restore the factory system of Apple Computer Mac

After backing up the computer data, press the command+R key while restarting the computer. Select the account for which you know the password and enter the password. After logging into your account, select "Disk Utility" and click Continue. Select the first disk and select "Erase" in the upper right corner.

How to restore the factory system of Apple computer Mac Restart Mac After restarting Mac, press the keyboard option command R, as shown below: Wait until the small earth is displayed on the monitor, and then a countdown will appear. Just wait patiently.

After backing up computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue. Select the first disk and select Erase in the upper right corner.

First, click the power button of the Macbook, and then press and hold the Command R key combination at the same time to load the automatic recovery function "MacOSX system" of Apple computers, as shown in the figure below. After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password.

How to restore the factory system of Apple computers

1. After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue. Select the first disk and select Erase in the upper right corner.

2. Click the power button of the Macbook and hold down the Command R key combination at the same time. This operation will load the automatic recovery function of Apple notebook. After performing the above operations, the dialog box as shown in the figure will pop up. Select DiskUtility and click Continue.

3. After restarting the Apple computer, press option command R on the keyboard, as shown in the picture. Wait for the monitor to display the small earth, and a countdown will appear. According to the picture below, select "Disk Utility" in the opened interface.

4. How to restore the factory system of Apple computers and Macs and restart the Mac. After restarting the Mac, press the keyboard option command R, as shown below: Wait until the small earth is displayed on the monitor, and then a countdown will appear. Just wait patiently. .

5. Click the power button of the Macbook and hold down the Command R key combination at the same time. This operation will load the automatic recovery function of Apple notebook. After performing the above operations, the dialog box as shown in the figure will pop up. Select Disk Utility and click Continue.

6. How to restore the factory settings of Apple computers can be achieved in just five simple steps. The specific steps are as follows: Tools/raw materials: Apple macbookpro, macOS BigSur12, Apple system 12. After backing up the computer data, restart the computer and press the command R key.

How to restore an Apple laptop to its original system

After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue. Select the first disk and select Erase in the upper right corner.

Restart the computer. After backing up the computer data, press the command R key while restarting the computer. login account. Select the account for which you know the password and enter the password. Select Disk Utility. After logging into your account, select Disk Utility and click Continue. Erase the disk. Select the first disk and select Erase in the upper right corner.

Apple laptop comes with a restore tool through Apple Computer. Steps to restore the factory settings of an Apple computer by opening the built-in restore tool: After restarting the Apple computer, press the keyboard option command R on the keyboard, as shown in the figure. After waiting for the monitor to display the small earth, a countdown will appear.

How to reset the system if my Apple laptop is formatted?

1. Connect the charger and press the Option key when turning on the phone.

2. Press the Command R key. Mac automatically restores the network and enters "MacOS X Utilities".

3. Open "Disk Utility".

4. Select the disk, select the "Partition" tab, and select "Partition Layout" (1 partition).

5. Change the "Name" and change the format to "MacOS Extended (Journaled)".

6. Click "Options..." and select "GUID Partition Table".

7. Click "Apply" and click "Partition" in the pop-up window.

8. Exit Disk Utility, return to MacOS X Utility, and select "Reinstall MacOS X".

9. Click "Continue" and it will prompt "To download and restore MacOS X, Apple will verify whether your computer is eligible."

10. Click "Agree".

11. Select the disk and click "Install".

12. Wait patiently for the computer to download and restore the system.

How to restore the original system of Apple notebook

1. Click the power button of the Macbook and hold down the Command R key combination at the same time. This operation will load the automatic recovery function of Apple notebook. After performing the above operations, the dialog box as shown in the figure will pop up. Select DiskUtility and click Continue.

2. After backing up the computer data, restart the computer and press the command R key. Select the account for which you know the password and enter the password. Once you're logged into your account, select Disk Utility and click Continue. Select the first disk and select Erase in the upper right corner.

3. Restart the computer. After backing up the computer data, press the command R key while restarting the computer. login account. Select the account for which you know the password and enter the password. Select Disk Utility. After logging into your account, select Disk Utility and click Continue. Erase the disk. Select the first disk and select Erase in the upper right corner.

4. After restarting the Apple computer, press option command R on the keyboard, as shown in the picture. Wait for the monitor to display the small earth, and a countdown will appear. According to the picture below, select "Disk Utility" in the opened interface.

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