Mac returns to the old version system (how to return mac to the old system)

php editor Strawberry brings you an article on how to return Mac to the old version of the system. In the process of using Mac, sometimes we may encounter some software or system compatibility issues, or we may not adapt to the interface and operation methods of the new version of the system. At this point, going back to the old version of the system is a good choice. This article will introduce how to return to the old version of the system, as well as some things to pay attention to. Let’s take a look!

How to return to the previous system after updating the mac system

After installing the Windows system on the Apple MacBook Pro, if you need to restore the original MacOS X system, you can follow the steps below: First, Restart the computer. During the startup process, press and hold the "Command key and R key" at the same time, or the "Command key, Option key and R key" to enter the MacOS X utility interface.

Method 1 of restoring Mac system on Mac: In the X system, hold down the Shift key after restarting. This will put the system into safe mode, close third-party startup items, and fix disk errors.

Hold down the alt (option) key and release it until the system selection interface appears. Then, click window directly to enter the window system. If you want to set the Windows system as the default startup item, press Enter to enter Windows. Similarly, if you want to set the Mac OS X system as the default startup item, select Macintosh HD and press Enter.

The following is the specific operation method: Press the power button of the Macbook and hold down the Command R key combination at the same time. This will enable the automatic recovery function of the Apple notebook. A dialog box will pop up on the screen, select Disk Utility, and then click Next.

The following article will share with you how to return the Apple system to the previous version. Before downgrading the iPhone system, we can query the downgradable system version by opening ipsw.me. First, confirm which system version your iPhone can be downgraded to.

How can Mac return to the old version of the system without formatting the disk?

1. The specific operations are as follows: Erase the first version of the system in Disk Utility. A main disk (select Erase, Erase in the lower right corner), then select "Disk Utility" next to the little apple in the upper left corner of the screen, click "Exit Disk Utility", and then select "Reinstall OSX System" to reinstall. If No, you need Internet recovery.

The operation method is as follows: First, press the power button of the Macbook. Then, press and hold the Command R key combination at the same time. Doing so will enable the automatic recovery function of the Apple notebook. Once the above is completed Step 1, you will see a dialog box pop up on the screen, which will display the options as shown in the figure. Here, you need to select Disk Utility (Disk Utility) and click on the Continue (Next) button. In this way, you can Continue with the subsequent operations.

In EaseUS Data Recovery Wizard for Mac Pro, you can follow the steps below to select the location where important data and files were deleted, and scan: 1. Open the software and select the location where important data and files were deleted. 2. Click the "Scan" button in the software interface. 3. The software will start to perform two scanning modes, quick scan and deep scan, and try to find as many deleted files as possible.

Step one: Insert the USB flash drive into the computer, open Disk Utility, and select the format option. In the formatting interface, select macOS extended journal format and rename the USB drive to Mojave. Step 2: Before downloading the installation image of macOS 14, please make sure you have decided which version of the system you want to install. Based on your choice, go to the corresponding official website or trusted software download platform and download the installation image file of the version you need.

5. Apple computer Mac restores the factory system method to 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. .

Restore Mac high version to low version

1. As we know from the above introduction, Mac downgrade refers to the process of rolling back the currently running high version operating system to a lower version, so Mac The system will be reinstalled and the data on the Mac will be cleared. At this time, we can only restore the data through Time Machine or cloud storage, and it is almost impossible to use third-party data software to restore it.

2. Yes, if you have a backup of the version, you can restore it to version d.

3. Open it with Notepad. 4. After opening, hold down Ctrl F on the keyboard, search for Product Version, and change the number in the following X.X.X to your downgraded version number. For example, if my backup is for iOS 12 and I want to downgrade to iOS 3, I just need to change the number in it to 3.

4. Shut down the computer first, then turn it on and then Shift-Option-Command-R. Your Mac will start from the recovery function of the lower version of macOS. This is still very simple. First, I make a startup disk. It is recommended to install macOS Catalina 15. It is not too high or too low, just right.

5. Next, release the power button and keep pressing the Home button until the screen prompts you to connect to iTunes and restore. Then hold down the Shift (PC) or Option (Mac) key on the computer, click Restore to select the previously downloaded iOS 1 version IPSW firmware, and then just hand over everything to iTunes for recovery.

6. First, insert the USB flash drive into the computer, open "Disk Utility", select "Erase", select macOS Extended Log Format, then rename the USB flash drive to Mojave, as shown in the figure below, and then proceed to the next step. Second, download the macOS system installation image, and then download the version you want to install.

Apple Computer Recovery System

The steps to restore the factory settings of Apple computers with one click are as follows: Computer: MacBook System: OSX 9 After restarting the Mac, press the keyboard option command R. Select the fourth Disk Utility item as shown below.

After the disk restore is successful, select the Reinstall OS X option. Then enter the installation interface, find the consent option, and click Select. Then enter the recovery interface, and after the waiting time is over, the Apple system can be successfully restored.

Restore the system: Shut down the computer, restart and hold down the Command R key until the Apple logo and progress bar appear. Once in recovery mode, you can choose to restore a Time Machine backup, reinstall macOS, or repair the disk from Disk Utility.

How to restore the original system of Apple system on computer

1. 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.

2. 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.

3. How to restore the factory system of Apple computer and Mac. 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. .

4. Connect the charger and press the Option key when turning on the phone. Press the Command R key. Mac automatically restores the network and enters "MacOS X Utilities". Open Disk Utility. Select the disk, select the "Partition" tab, and select "Partition Layout" (1 partition).

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 DiskUtility and click Continue.

How to install a lower version system on MAC in a higher version system

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

Insert the boot disk into the USB interface of the computer, download the win7 system, and put it into the prepared U disk boot disk.

Step one: Format the USB flash drive. Plug the USB flash drive into the computer, open Disk Utility, select Erase, select macOS Extended Journaled as the format, and rename the USB flash drive to Mojave. Step 2: Download the installation image of macOS 14. This is just an example. Download which version of the system you want to install.

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