- In this are four options: Restore from Time Machine Backup, Reinstall macOS, Get Help Online and Disk Utility.Click on the last one and then select Continue. Next, you'll see a list of all the.
- You can do an Archive & Install which will reinstall OS X but keep your files. Don't forget to make a backup before you reinstall in case something goes wrong.
Reinstall from macOS Recovery
macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery. See all open apps running on mac.
1. Start up from macOS Recovery
A very small price to pay to be able to reinstall Mac OS without losing data at any time. How to recover any Mac files quickly You might not think about it right now, but it’s likely that at some points you’re going to lose some of your files.
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
Command (⌘)-R
Reinstall the latest macOS that was installed on your Mac (recommended).
![Mac os how to reset Mac os how to reset](/uploads/1/3/3/9/133933951/519178703.jpg)
Option-⌘-R
Upgrade to the latest macOS that is compatible with your Mac.
Shift-Option-⌘-R
Reinstall the macOS that came with your Mac, or the closest version still available.
You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
When you see the utilities window, you have started up from macOS Recovery.
2. Decide whether to erase (format) your disk
You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.
3. Install macOS
When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.
- If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
- If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
- If the installer is for a different version of macOS than you expected, learn about macOS Recovery exceptions.
- If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
macOS Recovery exceptions
The version of macOS offered by macOS Recovery might vary in some cases:
- If macOS Sierra 10.12.4 or later has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
- If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward.
- If your Mac has the Apple T2 Security Chip and you never installed a macOS update, Option-Command-R installs the latest macOS that was installed on your Mac.
- If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.
If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.
![How To Restore Mac Os Without Losing Apps How To Restore Mac Os Without Losing Apps](/uploads/1/3/3/9/133933951/350366922.png)
Other ways to install macOS
- You can also install macOS from the App Store or Software Update preferences. If you can't install macOS Catalina, you might be able to install an earlier macOS, such as macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
- Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac.
When a new iteration of operating systems comes out for Mac computers, they often come with new, exciting, and impressive features, which causes a lot of us to want to upgrade. While macOS systems generally do not require many reboots or reinstallations, upgrading or downgrading to a new macOS version may cause you to lose data due to formatting, accidental deletion, or overwritten files. So, the question remains, can you reinstall Mac OS without losing data? The answer to this is yes, but let’s first look at the reasons why you may want to reinstall macOS.
- Part 4: Lost Data? How to Recover Files After Reinstalling macOS
While macOS is an excellent operating system that doesn’t often require a reboot or a complete reinstallation, sometimes there are errors that may cause the need for a complete reset. Some of those include the following.
- You are having startup issues or problems with the bootstrap program. Most of these issues can be fixed in the Mac recovery mode, but if that does not work, a reinstall will be warranted.
- If your macOS system cannot complete the needed operations to fix a malfunction that has to do with firmware, you will be required to do a complete reinstallation of the operating system.
- Somehow, your macOS operating system has become corrupted. Rather than troubleshooting the reason why, it is sometimes easier to just do a reinstall of Mac OS without losing data.
- If you have been targeted by malware or a virus, the core function of the macOS will be impacted. A reinstallation is required to remove the malware or virus completely.
What Preparations Are Needed Before Reinstalling macOS?
For your reinstallation to go as smoothly as possible, there are a few things that you need to keep mind and a few things that your Mac will be required to have. First, make sure that you set aside enough time to reinstall the macOS and make sure your computer is plugged into a wall socket or has a battery charge that will last over three hours. Second, make sure to place your Mac in a cool, dry area, and understand that your existing data will need to be backed up as it will be deleted with the reinstallation. Third, detach all extra devices such as USB drives and SD cards. Finally, make sure your Mac has the following.
- 1. How to open locked apps on mac. It is connected to your internet and the connection is stable.
- 2. Make sure your Mac has at least 2 GB of memory and 8.8 GB of storage space free.
- 3. Make sure your Mac battery has over 50% charge; ideally it is 100% and plugged in.
- 4. Make sure your Mac Apps are updated to their latest versions.
How To Restore Mac Os Without Losing Apps Without
Finally, backup all your personal data and create backups for your documents, applications, and photos/music as this information will be deleted with the reinstallation.
The easiest way to reinstall your macOS without losing data is to do it through the macOS utilities program and start your Mac in recovery mode. To do this, complete the following steps.
Step 1: Start your Mac in Recovery mode by turning it on and immediately pressing and holding the Command + R, the Shift + Option + Command + R, or the Option + Command + R buttons.
Step 2: Only release these keys when the Apple logo pops up or you are asked for a firmware password.
Step 3: The macOS Utilities box will pop up and you will want to select the Reinstall macOS option and hit the continue button.
Step 4: Use the on-screen instructions to select which hard drive you would like to install the operating system on and hit the start button.
Do not close the lid on your Mac during the reinstallation process and do not put your Mac into sleep mode. If your Mac restarts during the process, leave it alone.
Lost Data? How to Recover Files After Reinstalling macOS
If you went ahead and made a backup of your data before the reinstallation process, you can retrieve it via the Time Machine application or from your storage medium device. However, if you did not make a backup before reinstalling, your data will have been lost in the process and you will need to use a Mac data recovery program, like iMyFone AnyRecover, to get it back.
Features of iMyFone AnyRecover:
AnyRecover is a downloadable, third-party program that you can use to recovery and retrieve data from numerous kinds of data loss scenarios.
The program has a 98% recoverability rate and it is stress-free to use as it does not overwrite any files during the recovery process.
You can recover files from third-party storage mediums like USB sticks, flash drives, SSDs, and more as well as recover over 1,000+ file types.
Regardless of how the data is lost, AnyRecover can get it back!
Steps to Recover Lost Files with AnyRecover
Step 1. Head on over to the AnyRecover website and download the program to your MacBook. Launch the program and choose the proper recovery option. Choose the 'All-Round Recovery' option.
Step 2. Next, select the hard drive you want to grab the lost data from and then click Next.
Step 3. Choose which file types you want recovered. Yes, you can choose them all. Hit scan, when ready.
Step 4. Once the scanning is complete, go through the list and preview each file. Select the files that you want to recovery and hit the recover button to start the process.
Restore Mac To Original Os
If you are unable to find your lost files this way, do a deep scan of your Mac computer and find all lost or deleted data.