Reinstall Mac Os Catalina Without Losing Data

  • How to Reinstall mac OS Without Losing Personal Data. Reinstalling macOS (sometimes also called a “factory reset”) is usually a rare event, and you shouldn’t have to worry about it too much. But there are specific issues, self-inflicted or not, that are much quicker resolved with a clean installation of the OS.
  • Reinstall macOS. Select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions. Follow these guidelines during installation: 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.
  1. How To Downgrade Macos Catalina Without Losing Data
  2. Reinstall Mac Os Catalina Without Losing Data Screen

Then how to reinstall macOS without any data loss? To provide a double guarantee to the precious data on your Mac, you can make a copy of the files on your Mac before you perform the reinstallation, or equip your Mac with a data recovery tool that can rescue your data after the reinstallation. In this video, you will see:How to Reinstall macOS Without Losing any Data.(Applies to macOS sierra, high sierra, Mojave, Catalina & later on).In this tutori. Reinstall a previous version of the Mac OS using the appropriate Mac OS Installer. Use Time Machine to restore from a date when your Mac was using a previous version of the o perating system. With any of the downgrade methods, you’re going to lose all the data currently on your Mac.

macOS Catalina is slightly outdated since the release of macOS Big Sur in November of 2020. Nevertheless, many users prefer to stick with it because it's much more familiar visually. And it offers a bunch of expanded features, such as a screen extension with an iPad or the new Apple Podcasts app.
The problem is that it might not always work as intended. Glitches in macOS Catalina are commonplace: in fact, all existing operating systems like Mojave or High Sierra could freeze and crash from time to time. No software is immune.

But what do you do in this case? The surefire way to deal with jaded performance is to reinstall macOS Catalina altogether. Read through our guide below to learn how.

How To Reinstall Mac OS Catalina

It’s important to note that when you reinstall macOS Catalina the process simply updates the operating system and doesn’t affect any files on your hard drive or user files or even settings. That makes reinstalling principally different from performing a clean install, which erases everything.

Here are the proper steps to follow to reinstall mac OS Catalina.

1. Back up your Mac first

By default, the best thing you could do before making any significant changes to how your Mac works is to back it up. Backups are just like saves before encountering challenges in video games — represent the point you can always come back to. Nvivo 10 free crack for windows.

There are lots of great backup solutions on the market to suit every need. If you don’t have the time to search for something specific, your Mac features a decent native option — Time Machine.

To get Time Machine started:

  1. Connect an external USB or WiFi hard drive to your Mac
  2. Go System Preferences ➙ Time Machine
  3. Click on Select Backup Disk…
  4. Press Use Disk

2. Delete junk off your Mac to speed it up

There’s nothing better than the feeling of a brand new Mac with a brand new macOS. If only the latter is new, the experience could be subpar. Trying to get the most out of macOS Catalina on your older machine might be a challenge. But don’t hurry to your local Apple Store just yet — not all is lost.

Just like the dust behind your couch or on the top of your kitchen cupboards, small bits of system files, caches, and hidden libraries tend to aggregate over the years and never get deleted, eventually slowing down everyday processes. While it’s possible to clear out some of them manually, others require specific technical knowledge and lots of time.

Luckily, there’s a professional automatic solution available — CleanMyMac X. Optimizing behind-the-curtain processes on your Mac with CleanMyMac X is no more difficult than clicking a single button:

  1. Download a free version of CleanMyMac X.
  2. Open the app and navigate to System Junk in the left-side panel.
  3. Click Scan and wait for the process to complete.
  4. When done, press Review Details.
  5. Uncheck anything you’d like to keep and click Clean.

Now your Mac is free of all the pointless log files, user caches, language files, old updates, and more. Which directly translates into improved processing power, memory usage, and response time. At last, your Mac is ready to take full advantage of macOS Catalina.

3. Reinstall macOS Catalina in Recovery Mode

With your Mac in top shape, it’s time to get that macOS Catalina download link. Surprisingly, you won’t find it in Software Update or even App Store (where it used to be in macOS High Sierra).

The correct way to reinstall macOS Catalina is to use your Mac’s Recovery Mode:

  1. Restart your Mac and then hold down ⌘ + R to activate Recovery Mode.
  2. In the first window, select Reinstall macOS ➙ Continue.
  3. Agree to the Terms & Conditions.
  4. Select the hard drive you’d like to reinstall mac OS Catalina to and click Install.

Automatically update all your software for Catalina

The reinstallation process will start shortly and roughly take 30 minutes. When complete, your Mac will start up as usual. No files should be lost, but it’s always a good idea to check CleanMyMac X’s Applications Updater to see if you can improve compatibility of the new macOS with any of your existing apps:

  1. Launch CleanMyMac X.
  2. In the left-side panel, navigate to Updater.
  3. View any available updates and their notes and click on Update.

This Updater tool in CleanMyMac X automatically searches for latest available versions of ALL your apps. One or two clicks and everything feels fresh. It even updates the macOS file itself.

Trust in your backup

Finally, in case you notice any files or apps missing, or settings misconfigured, you could open up Time Machine to restore a specific folder or the whole backup from the step one:

  1. Launch Time Machine from Applications.
  2. Simply scroll all backup versions to find the file you’re looking for.
  3. Click Restore.

If you decide to restore the whole backup, make sure to then repeat the whole process to optimize your Mac and reinstall macOS Catalina as detailed above. The good thing is that more often than not the reinstallation works wonders right from the first time.

On this page, you will uncover practical solutions to undelete and restore Mac files after factory reset and an extra guide on how to reset MacBook Pro without losing any data.

Applies to: MacBook Pro, MacBook, MacBook Air, iMac, iMacPro, etc.

How Do I Recover Files from My MacBook after Factory Reset?

'Recently, I reinstalled my whole macOS on my crashed MacBook, and then I found some files such as photos and documents are gone after reinstalling macOS.

Is there a way that I can apply to recover files after reinstalling macOS?'

According to most Mac users, reinstalling macOS, Mac OS X, or factory resetting Mac always follows a system crash, computer slowdown, or even when Mac users need to erase their old Mac computer for sale.

Can You Recover Files after Factory Reset Mac or Reinstall macOS? Yes!

Usually, you may lose some of your files on your Mac after the macOS or Mac OS X reinstallation. When you are facing data loss problem, you may wonder whether you can recover files lost due to reinstalling macOS or Mac OS X. The answer is YES!

macOS reinstallation or factory resetting Mac only executes a quick erase of the volume. As a result, it will erase the file directory but does not write any data to the drive, so the original data will not be overwritten.

This fact makes it possible to recover files after reinstalling Mac operating system as long as you take quick action.

Note that you should stop using your computer once your data get lost in case of data overwriting. Follow and learn how to bring your lost Mac files back after reinstalling macOS/Mac OS X on your own.

How to Recover Files After Reinstalling macOS/Mac OS X [3 Fixes]

Accordingly, the viable ways to recover Mac files duet o factory resetting or macOS re-installation depend on whether you have created a backup. And we collected 3 practical ways here for you to try:

  1. #1. Run Mac File Recovery Software for Help
  2. #2. Restore from Time Machine Backup from External Disk
  3. #3. Restore from iCloud Backup

The former the file recovery method is presented, the bigger chance you will have in restoring lost Mac data. Based on your situation, pick up the right solution with the tutorial to restore your lost files immediately.

#1. Restore Mac Files after Factory Reset using Mac File Recovery Software

Applies to: Find and retrieve all the files lost after reinstalling macOS or Mac OS X without backup.

When you lost data after factory resetting Mac, reinstalling the latest macOS or earlier Mac OS X, you can eliminate your worries of by using a reliable Mac data recovery software.

Among the numerous Mac data recovery tools, we recommend you try EaseUS Data Recovery Wizard. When it comes to restoring files after reinstalling macOS or Mac OS X, EaseUS Data Recovery Wizard is 100% sure to get your data back.

It can help you scan the Mac hard drive or external storage device to find and retrieve all the files lost after reinstalling macOS or Mac OS X with ease, even you never back up your files. The effectiveness of this method has been proven by its users. Don't hesitate to give it a try.

Steps to Recover Files After Reinstalling macOS/Mac OS X

Step 1. Select the disk location (it can be an internal HDD/SSD or a removable storage device) where you lost data and files. Click the 'Scan' button.

Step 2. EaseUS Data Recovery Wizard for Mac will immediately scan your selected disk volume and display the scanning results on the left pane.

Step 3. In the scan results, select the file(s) and click the 'Recover Now' button to have them back.

Being powerful, secure, and easy-to-use, EaseUS Data Recovery Wizard for Mac is recommended as the best Mac data recovery solution.

You can also apply it to restore more files from the following cases:

  • Recover files lost due to deletion, formatting, system crash, virus attack, and other data loss situations.
  • Retrieve data from internal/external hard drive, USB, memory SD card, cameras, and other storage devices.
  • Recover lost/deleted Microsoft files, photos, videos, music, Adobe files, and other types of files (over 200+).

#2. Restore from Time Machine Backup on External Disk

Applies to: Retrieve lost files due to factory reset Mac from Time Machine backup on an external disk.

The other practical method that you may apply to bring lost Mac files back after factory resetting is to perform Time Machine backup. If you've created a Time Machine on an external hard drive, congratulations.

You'll perform a full recovery of your lost files on Mac with a 100% success rate. Let's see how to bring your lost Mac files back after reinstalling macOS or Mac OS X.

How To Downgrade Macos Catalina Without Losing Data

Restore Factory Resetting Deleted Files from Time Machine Backup

Step 1.Make sure your Time Machine backup external disk is connected to Mac and turned on.

Step 2. Open up Launchpad on Mac, click 'Others'. Find and click the Time Machine icon to enter Time Machine.

Step 3. Use the Up and Down arrows to scroll the timeline, browse the backups which contain your lost files.

Step 4. Find the lost Mac files that you want to recover, and click 'Restore'.

It will automatically recover those lost data from Time Machine on macOS Big Sur/Catalina/Mojave.

After this, you can restart your Mac computer, then you can view and reuse these files where were lost due to reinstalling macOS/Mac OS X again.

#3. Recover Files after Factory Reset Mac from iCloud Backup

Applies to: Sync and restore Mac data from iCloud backup, free.

If you have synced or uploaded important Mac data into iCloud before committing factory reset or macOS reinstallation, you are such a lucky bird. You can easily restore your lost files from iCloud backup.

Steps to Recover Files due to Factory Reset on Mac

Step 1. Visit iCloud.com via your Mac browser, and sign with your Apple ID.

Step 2. Go to Setting and scroll down to the bottom. Click on 'Restore Files' under Advanced.

Data

Tips: To restore contacts, bookmarks, calendars, and reminders from iCloud, click the corresponding option under Advanced.

Radio jingle player for mac. Step 3. Check the backup files or click 'Select All' if you really need to restore everything. Click the Restore button to recover them.

When you are done with the above tutorial steps, most of your files lost due to factory reset or macOS reinstallation will show up on your computer again.

Bonus Guide: Factory Reset Mac or Reinstall macOS/Mac OS X without Losing Data

Although when you performed a factory reset on Mac, you can restore the lost files when the recommended fixes above. However, it's indeed complex and time-consuming.

Follow the tips in the below, we will guide you through the brief process below to factory reset Mac or reinstall macOS without losing any data.

#1. Back-Up Your Mac Data to an External Device First

It's vital to back up all your data in advance. You can use Time Machine to copy your files to an external disk, or using reliable Mac file backup software for help.

Or you can even manually copy files to an external hard drive one by one.

Reinstall Mac Os Catalina Without Losing Data Screen

To save your time and energy, we would like to recommend you try Time Machine or EaseUS Todo Backup.

- Using Time Machine

  • Pros: ①. Free; ②. Easy to Use;
  • Cons: You need to select files one by one for back up.

- Using EaseUS Todo Backup

  • Pros: ①. Easy to Use; ②. 3-step to back up Mac to external disk.
  • Cons: Not free.

#2. Prepare Mac for Factory Resetting or macOS Reinstallation

Before you start reinstalling macOS or Mac OS X, here are some preparations for you to do in advance:

  1. 1. Deauthorize iTunes
  2. 2. Turn off FileVault
  3. 3. Disable iCloud
  4. 4. Sign out of iMessage
  5. 5. Erase Touch Bar Data

When you are done with the preparations, you may now start factory resetting or reinstall your Mac OS X or macOS with the next tip.

#3. How to Reset or Factory Reset MacBook Pro, MacBook, MacBook Air, iMac/iMac Pro

Now, you can follow steps here to start reset your Mac:

Step 1: Reboot Mac in Recovery Mode

Restart Mac and simultaneously hold 'Command and R' keys together to bring up the macOS Utilities window.

Step 2: Erase Mac hard drive

Open Disk Utility and click 'Continue' > Select your startup disk (Macintosh HD) and click 'Erase' > Choose 'Mac OS Extended (Journaled)' and click 'Erase'. Street racing syndicate download.

Step 3: Reinstall macOS on your Mac computer

Repeat Step 1 to bring up macOS Utilities > Click 'Reinstall macOS' > Confirm to reinstall macOS and follow the onscreen instructions to complete the process.

When you finish the process, congratulations. You have successfully reinstalled your macOS and the Mac now works like a brand new computer.

#4. Restore Files from Backup

As for the data that you backed up in advance, you can apply Time Machine or EaseUS Todo Backup to bring them back on your Mac with your back up immediately.

Conclusion

This page covers 3 practical solutions to help you effectively restore files after factory reset Mac or reinstalling macOS/Mac OS X.

If you didn't create a backup before resetting Mac, take EaseUS Data Recovery Wizard for Mac as emergency rescue. It will fully scan and bring your lost files immediately.

If you are looking for a complete tutorial to reset MacBook Pro, check and follow the guide in the last part on this page. For more data recovery tips, please refer to Mac File Recovery on our site for help.