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Data Loss After Using Recovery Mode to Reinstall Mac OS X

Updated on Dec 14, 2017 by Jean to Mac File Recovery


99% of Apple Mac users experienced severe data loss after using Recovery Mode (restore Time Machine backup & Internet Recovery) to reinstall Mac OS X. This page offers the solution for Mac data recovery after reinstalling OS X.

Overview of Mac OS X Recovery

In a rare chance that your Mac may fail. Don't worry, Apple Mac computers are reliable machines that they allow users to reinstall the operating system on any Mac running OS X 10.7 Lion or later by using Mac OS X Recovery. By accessing to Mac OS X Recovery mode, you can do the following rescuing jobs:

  • Restore your Mac from a Time Machine backup.
  • Verify and repair connected drives using Disk Utility.
  • Check your internet connection or get help online using Safari.
  • Install or reinstall OS X.

Most of the time, Mac users tend to use Internet Recovery mode to reinstall the operating system. It's easy and little IT knowledge is required. By pressing both Command and R keys, they can easily access to the Internet Recovery mode, connect Mac to the internet and then download OS X and reinstall it on the Mac.

However, any zero knowledge-based operation easily causes damage. Mac users are likely to encounter issues during or after the reinstalling process by using OS X Recovery mode, among which mostly are data loss. The problems usually result from human errors, such as not backup important data beforehand, mistakenly format Mac drive, delete partitions or files, etc. 

How to recover data on Mac after OS X re-installation

No matter which mode of OS X Recovery you choose, let it be the Internet Recovery or Recovery System stored on your startup drive, you can use EaseUS Mac data recovery software to recover the data lost from the reinstalling process. Here are some useful tips for a successful Mac data recovery.

1. Stop using the disk at once where you lost the data;
2. Install EaseUS Data Recovery Wizard for Mac on a different location from where you lost the data;
3. Once the program has found the lost data, save it to some other places instead of the place the data was kept.

Now take a look at how to recover lost data after using Recovery mode to reinstall 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.

select the location where data lost and click scan

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

scan the selected disk to find lost data on your Mac

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

click recover now button to recover lost data on your Mac