Sep 29, 2015 Restart your Mac. Immediately hold down the Command (⌘) and R keys after you hear the startup sound to start up in OS X Recovery. When the Recovery window appears, select Disk Utility then click Continue. Select the indented volume name of your startup disk from the left side of the Disk Utility window, then click the Erase tab. Dec 26, 2017 Step Three: Reinstall macOS. With your information wipe complete, you are now ready to reinstall macOS. If you booted from a functioning recovery partition, click the “Reinstall macOS” button. The installation process will begin. If you booted from an USB disk, click “Continue” to advance to the installer.
Jul 18, 2013 How to install OS X on a new or faulty HD without Internet recovery. Corrupt and new disks might not have a working Recovery partition, but there are still ways to access one and reinstall OS X. At this point, the Mac should start to download the recovery files from the internet and show a status bar. When complete, it should reinstall macOS Recovery and reinstall macOS on the main partition.
Usually, there are no chances of losing data while using Mac Recovery Mode. Mac Recovery Mode is the built-in recovery option offered with your Mac that provides various tools to fix issues. You can start your Mac, reinstall it or recover its certain software related issues or repair disks using macOS Recovery utilities. When you use Recovery Mode tools there is no chances of losing data unless you reinstalling Mac or using disk utility without backup. So, here is how to make use of this Recovery mode.
If this is a brand-new Mac or you’re installing OS X El Capitan on a Mac and have another Mac or Time Machine backup disk nearby, you can transfer all of your important files and settings by following the onscreen instructions and connecting the new and old Macs via FireWire or Ethernet cable.
#1: Launching Mac Recovery Mode
To launch Mac Recovery Mode, reboot the Mac, hold Command and R keys together at startup window. Release the keys when you see the macOS Recovery window.
Mac OS recovery mode offers various utilities like - restore from Time Machine backup, reinstall Mac OS X, get help online and Disk utility. You can select your specific option among them and proceed father.
#2:Reinstall OS X UsingMac Recovery Mode
Here is how to reinstall macOS in Recovery mode:
Select the Reinstall macOS option
Click Continue button
Again opt Continue and select Agree twice
Select the disk driveon which you want to reinstall the macOS
Provide your Apple ID and passwordif you are prompted
Click the Install button
Now, your Mac machine will undergo normal macOS installation, then restart.
The key combinations you choose, determine the version of macOS you like to install on the Mac system when you select the Reinstall macOS option. App needs to be updated mac catalina.
Here are the 3 different key combinations available:
Command + R -> Installs the latest macOS version that was installed on your Mac system
Options + Command + R-> Upgrades your OS to the latest compatible macOS version
Shift + Option + Command + R-> Installs the same version of OS X that your Mac got 1st or the closest version
Sometimes a user may encounter data loss when using Mac Recovery mode to reinstall OS X, due to various reasons like improper actions, error messages, unavailability of data/files while creating a backup, etc. So, when you might come across such data loss crisis check your Time Machine backup and restore your lost data from it. Audio editing software for mac free.
#3: How to Restore from Time Machine Backup Using macOS Recovery Mode?
Click Restore from Time Machine Backup in macOS Recovery mode
Carefully go through the Restore Your Systempage and Continue
Connect and select your Time Machine backup drive and hit the Continue button
Select the most recent backup of your hard disk among the showed backups and proceed
Now, your Mac will restore the hard drive from the Time Machine backup. Once the process gets completed, your Mac will be rebooted.
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In case, Time Machine backup is not available then make use of an effective data recovery tool like Remo Recover(Mac) which is available online and restore your lost data immediately.
How to Recover Lost Data Using Remo Recover?
Step 1: Download Remo Recovery software & install it on your computer and launch it to begin the data recovery process.
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Step 2: Launch Remo Recover (Mac) wizard and click on the Recover Volumes/Drives button. Select the hard disk drive/volume from where you want to recover data and click Next.
Step 3: The software deep scans the drive and displays all recovered data from it. Go through the list of recovered files and Preview them.
#4: How to Check Startup Disk in Mac Recovery Mode?
Select Disk Utilityfrom macOS Recovery mode and click Continue
Select on your startup drivefrom the Disk Utility menu
Select First Aid and click the Run button
First Aid will check and verify the health of your Mac startup drive
When the process gets completed, click Done
Select Disk Utilityfrom the menu and choose Quit Disk Utility
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These are some of the easy options provided Mac to help its users fix any sort of issues thy face while working on Mac. However, ether while reinstalling Mac or while using disk utility to fix issues, keep a backup copy of your data. In case, no backup then Remo Hard drive recovery tool will help you recover all your files in simple steps.