- Erase And Reinstall Macbook Pro Hard Drive
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- Erase And Reinstall Mac Os X 10.11 Failed
- Erase And Reinstall Mac Os Sierra
- Erase And Reinstall Mac Os On Macbook
- Erase And Reinstall Mac Os
Boot your Mac from an Installer or Recovery Mode. Recovery Mode in Mac is a heap of beneficial tools and the best way to erase and start reinstalling from starch. To boot into the recovery partition, turn off your Mac and start it by holding Command + R keys. If your Mac is older than 2010, then you may not be able to use Recovery Mode. This wikiHow teaches you how to delete all the data, files, applications, and settings on your Mac computer. Back up any data you want to save. Wiping your Mac will erase everything, including your operating system, so keeping a backup on. A reader preparing their Mac for sale has a well-meaning friend erase the startup volume. That allows you to run Disk Utility, reinstall or wipe and install the system, access Terminal for. While the vast majority of Mac users should simply prepare for and update to macOS Mojave as usual from a prior MacOS system software release, thereby preserving their apps, customizations, personal files, and all else, this walkthrough is intended for users who want to erase a Mac completely and start over fresh to perform a clean install of macOS Mojave 10.14. Reinstalling macOS of macOS Recovery can help you replace the current problematic OS with a clean version quickly and easily. Technically speaking, simply reinstalling macOS won't erase your disk either delete files. You probably don't need to erase, unless you're selling or giving away your Mac or having an issue that requires you to wipe.
Dec 21, 2020 • Filed to: Solve Mac Problems • Proven solutions
'Is it possible to reinstall macOS without losing data?'
If you have a similar question in mind, then we have got you covered. Just like any other computer, Mac systems can also suffer from unwanted issues at times.
In this guide, we will teach you how to boot Mac into recovery mode and reinstall macOS without losing your data. Let's explore this macOS solution in detail.
When to reinstall macOS?
There are all kinds of reasons for us to reinstall macOS on the system. The following are some of the common problems that force a complete reset on a Mac.
- Firmware issues – Mostly, a firmware issue related to macOS demands a reinstallation of the operating system. It can happen when macOS seems to malfunction and can't complete the needed operations.
- Startup issues – Apart from the firmware, there would be a problem with your Mac's startup or bootstrap program as well. Mostly, the issue is resolved by visiting the Mac recovery mode.
- Corrupt OS – Ideally, your macOS can get corrupt or compromised due to different reasons. In order to fix it or run troubleshooting, you would need to reinstall the OS.
- Malware attack – A virus or malware can also infect the core function of macOS and would demand a complete reinstallation of the tool.
- Other issues – There could be numerous other issues with your Mac as well that would demand a reinstallation. For instance, if your system has been upgraded to a corrupt macOS version or the update was halted in between, then you need to reinstall OS X.
Preparations before reinstalling macOS
Before we teach you how to reinstall macOS X, there are certain vital things that you need to consider. Lovemore game review.
- Mostly, it takes 30 minutes to 3 hours to reinstall macOS (the exact time would vary among different OS and system models). Therefore, your Mac should be charged enough to complete the installation.
- During the reinstallation process, your Mac might be overheated or restart multiple times. It is recommended to not keep it in direct sunlight or a hot place during the process.
- Chances are that your existing data on Mac might be deleted after the reinstallation. Thus, you can consider taking its backup if you don't want to lose it.
- Disconnect all the attached units like USB drive, SD card, etc. from your Mac beforehand. Also, if you think your system has been infected by malware, then consider formatting it as well.
- Your system might download the needed patches and updates during the process. Keep your Mac connected to a stable internet connection for a seamless updating.
Once you are ready, simply take the following steps to reinstall macOS without losing its data. Msn casino games free.
How to Reinstall Mac OS?
Step 1: Backup Files on Mac
If you don't want to suffer from an unexpected loss of your important files during the reinstallation, then you should take a backup of your data beforehand. There are different ways to backup data on Mac.
1. Backup files Using Time Machine
Time Machine is the inbuilt solution to backup data on Mac and restores it afterward. If you do not want to let go of your important files during the reinstallation process, then consider taking their backup beforehand. You can use an external data source so that Mac can create a Time Machine on it. Mostly, Time Machine will detect a connected unit and would ask you to take its backup automatically. If not, then follow these steps to back up your Mac data using Time Machine.
- Simply connect a secure data storage to your Mac and launch Time Machine by visiting Menu > System Preferences > Time Machine.
- Here, click on the 'Select Backup Disk' so that you can manually choose a location to save the backup content.
- As a pop-up screen would appear, just select the available drive and confirm your choice. If you want, you can choose to encrypt your data as well.
- To further customize things, you can visit its 'Options' and even enable the automatic backup feature.
- As a pop-up screen would appear, just select the available drive and confirm your choice. If you want, you can choose to encrypt your data as well.
2. Backup files Using Cloud Storage
As you know, Time Machine will only take a manual backup of your Mac data to a dedicated storage unit. If you want to save your data on the cloud, then take the assistance of iCloud, Google Drive, Dropbox, OneDrive, or any other cloud-based service. Since iCloud is the native cloud storage solution from Apple and an inbuilt Mac app, it is widely recommended. You can easily backup files to iCloud from Mac by following these steps.
- Firstly, go to System Preferences and launch the iCloud app. If you are not logged in, then enter your Apple account details to sign-in.
- The iCloud app has options to sync various data types. Simply enable the features (by checking it) and turn on the backup feature.
- There is an 'Option' button adjacent to some data types (like Photos) that you can visit to customize your backup.
- You can go to the 'Manage' section from here to view how much space is left on iCloud. Since only 5 GB of space is provided for a free (basic) account, you can also upgrade your account as well to get more space on iCloud.
3. Backup files Using External Hard Drive
If you are running short on time, then you can also take a manual backup using an external hard disk as well. Just connect the hard disk to your Mac and make sure that you are using a hard drive that is compatible with your macOS. Now, simply copy the content from your Mac's storage that you wish to save and paste it to the external hard disk. In this way, you would be able to maintain a second copy of all the important data at a dedicated source.
In contrast, you need to know how to recover files from external hard drives.
Step 2: Boot Mac in the Recovery Mode
Once you have taken a backup of your Mac data, you need to restart in the recovery mode. The Mac Recovery Mode is a dedicated module in the operating system that provides all kinds of firmware and disk-related options. You can run disk utilities via the Recovery Mode on MacBook, reinstall macOS, recover Time Machine backup, and do so much more. In order to learn how to restore Mac in recovery mode, follow these steps:
- Firstly, go to the main menu by clicking on the Apple icon and choose to restart your system.
- While the system is restarting, press the Command and R keys at the same time till your Mac enters the Recovery mode.
- When you get the utility window on the screen, just click on the 'Reinstall macOS' option and continue the process.
Please note that if you wish to upgrade your Mac instead, then press the Option + R keys instead of the Command + R key combination.
Step 3: Erase the Mac Hard Disk
This is an optional step during the reinstall macOS process as a lot of people would like to delete the existing data on their system. If you are reselling your Mac or your system has been infected by malware, then you can consider this option as well.
- When you get the macOS utility window, click on the 'Disk Utility' option instead of reinstalling it. You can also go to the 'Utilities' menu to get this option.
- As the Disk utility window will open, you can just select the drive that you wish to erase from the left panel.
- On the right, you will get detailed information with numerous other tools. Just click on the Erase icon and confirm your choice (by entering the firmware password).
This will start the erasing process on the selected drive. You can also go to the Security Options here to further customize things.
Step 4: Reinstall Mac OS X without Losing Data
When you get the macOS utility window on the screen, you can just click on the 'Reinstall macOS' option to proceed. Afterward, you simply need to follow this basic drill to reinstall macOS on your system.
- A confirmation message will appear, informing you about the reinstallation details. Just click on the 'Continue' button to proceed.
- Subsequently, you will be asked on which disk you wish to install macOS. Simply select the inbuilt disk on your Mac to start the process.
- That's it! Your system will reinstall macOS on it by performing all the needed tasks. You can just sit back and wait for the process to be completed and make sure that you don't turn off Mac in between.
- In the end, you can just choose to restore data from the Time Machine backup. You can get this option from the macOS Utilities or just launch the Time Machine application on your system as well.
Recover Erased Files after Reinstalling Mac OS
A lot of times, users are not able to maintain the backup of their data and end up losing their important files during the macOS reinstallation. If you have also lost your data on Mac due to this, then don't worry – simply take the assistance of Recoverit Mac Data Recovery software. A highly advanced data recovery tool can retrieve all kinds of lost, deleted, and inaccessible content from your Mac storage. It is known to b yield positive results under all scenarios, including data loss caused by macOS reinstallation.
After installing Recoverit Data Recovery on your Mac, simply follow these basic steps to get your data back.
Step 1: Select a Location
Firstly, you need to install Recoverit Data Recovery on your Mac by downloading the application from its website. Launch it whenever you want to restore notes on Mac and select a source location to scan. That is, select the native source drive of Mac and click on the 'Start' button.
Step 2: Scan the Location
As the application would start scanning your Mac for the lost notes, you can just wait for a while for the process to be completed. The interface will also display the progress of the entire process for your convenience.
![Erase And Reinstall Mac Erase And Reinstall Mac](https://sm.pcmag.com/t/pcmag_in/photo/o/open-in-re/open-in-recovery-mode_j1f8.1024.jpg)
Step 3: Preview and Recover
When the extraction process is completed, the application will notify you. Now, you can just preview and select the files you wish to get back. Click on the 'Recover' button and make sure that you save your notes to a trusted location.
I'm sure that after following this guide, you would be able to reinstall macOS without losing data. Since working on Mac can be a bit tricky at times, it is recommended to always maintain a backup beforehand. Also, consider using a data recovery tool like Recoverit Data Recovery as well. In this way, you can take immediate measures as soon as you lose any information and get it back without much trouble. Recoverit also provides a data recovery solution for Windows as well and is considered a must-have application for both Mac and Windows users. Geforce now cloud gaming for mac nvidia.
What's Wrong with Mac
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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.
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. How much is mac lipstick. 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. American keyboard mac.
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.
There are lots of great backup solutions on the market to suit every need. Jurassic park online slot. 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:
- Connect an external USB or WiFi hard drive to your Mac
- Go System Preferences ➙ Time Machine
- Click on Select Backup Disk…
- 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:
Erase And Reinstall Macbook Pro Hard Drive
- Download a free version of CleanMyMac X.
- Open the app and navigate to System Junk in the left-side panel.
- Click Scan and wait for the process to complete.
- When done, press Review Details.
- Uncheck anything you’d like to keep and click Clean.
Erase And Reinstall Macbook
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:
- Restart your Mac and then hold down ⌘ + R to activate Recovery Mode.
- In the first window, select Reinstall macOS ➙ Continue.
- Agree to the Terms & Conditions.
- Select the hard drive you’d like to reinstall mac OS Catalina to and click Install.
![Mac Mac](https://www.igeeksblog.com/wp-content/uploads/2016/07/Click-on-Reinstall-Mac-OS-X-on-Mac.jpg)
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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:
- Launch CleanMyMac X.
- In the left-side panel, navigate to Updater.
- 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.
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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:
- Launch Time Machine from Applications.
- Simply scroll all backup versions to find the file you’re looking for.
- Click Restore.
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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.
Erase And Reinstall Mac Os
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