Hard Drive Data Recovery on Mac: Recommended Solutions – Rene.E Laboratory Support Center

2024-08-22 John Weaver Senior Program Developer

Summary

Learn effective solutions for Mac hard drive recovery from accidental deletions, disk failures, or disruptions in our comprehensive guide.

Table of contents

I. How to recover hard disk data on a Mac computer?

1. What is Renee Undeleter?
2. How to use Renee Undeleter to recover lost/deleted hard disk data?

II. How to repair damaged hard drive on Mac computer?

1. Repair the external hard drive
2. Repair the internal hard disk installed with the Mac system

I. How to recover hard disk data on a Mac computer?

When a file is accidentally deleted from the hard disk, its storage space is marked as available for new data . To recover the deleted data , immediately stop using the drive to prevent overwriting the lost file, and use data recovery software . A highly practical tool is Renee Undeleter , compatible with both Mac and Windows systems.

1. What is Renee Undeleter?

Renee Undeleter is engineered to retrieve a diverse array of data files . If you’ve inadvertently deleted files , emptied the recycle bin , or formatted your disk/storage , this utility can assist in restoring your missing data. It encompasses four principal functionalities : file recovery , format recovery , partition recovery , and image creation , providing an all-encompassing answer to various data loss predicaments.

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Multiple scan modes Fast partition scan, whole partition scan and whole disk scan;

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Image creation Create a partition image to read and back up data;

Supported devices SD card, SDHC, SDXC, USB flash drive, hard disk and computer.

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2. How to use Renee Undeleter to recover lost/deleted hard disk data?

As a professional data recovery software, Renee Undeleter not only has comprehensive functions but also has a very simple operation process. The specific steps are as follows:

Step 1: Download, install and run Renee Undeleter on a Mac computer, and select the ( Whole Partition Scan ) option on the main interface.

Note : To avoid data overwriting, it is not recommended to install Renee Undeleter on the disk with lost data. If the hard disk you need to recover data from is an internal hard disk and is the only hard disk in the Mac computer, please download the software to an external USB disk or external hard disk. If the hard disk you need to recover data is an external hard disk, you can download the software Install to the internal hard drive of the Mac computer.

select whole partition scan in renee undeleter on mac

Data recovery function:

Fast Partition Scan – Quickly retrieve files lost due to accidental deletion or emptying the recycle bin.
Whole Partition Scan – Quickly recover files lost due to inaccessible or formatted partitions.
Whole Disk Scan – Analyze and get partition information and perform a full scan of the entire partition.
Image Creation – You can create a mirror image for a partition to back up the current partition state.

Step 2: Select the hard drive partition where you want to recover data. After the selection is complete, click ( Next ).

click to select a target drive in whole partition scan in renee undeleter on mac

Step 3: Wait for the scan to complete, which may take time depending on the hard disk partition size. During the scan, preview files by double-clicking them. If you find the file you’re looking for, select it and press Recover to stop the scan and start the recovery process. If you prefer, allow the scan to conclude, select the necessary files from the scan results, and then press Recover . Remember to save recovered files to a different partition to avoid data overwriting.

click to recover files in whole partition in renee undeleter on mac

If you still cannot recover the data through the above steps, the lost data may be overwritten by other data, or the hard disk is damaged, please refer to the following hard disk repair methods to repair it.

Tips If the external hard drive cannot be displayed or used normally on the Mac computer, please check the reasons and solutions for the Mac computer not recognizing the external hard drive .

II. How to repair damaged hard drive on Mac computer?

1. Repair the external hard drive

For repairing an external hard drive, Mac computer users can try to use Disk Utility to repair the damaged hard drive. The specific steps are as follows:

Step 1: Find and click ( Disk Utility ) in the launchpad; you can also click (Finder) > ( Applications ) > ( Utilities ) to find and open ( Disk Utility ).

Step 2: Select your hard disk in the list on the left, and then select the ( First Aid ) function above.

Step 3: Click First Aid and a confirmation window appears, stating “First Aid” will check and repair the volume. Click Run to start the disk checking and repair process.

2. Repair the internal hard disk installed with the Mac system

If you want to repair the internal hard disk partition installed with the Mac operating system, you need to enter the macOS utility menu to operate. Proceed as follows:

Step 1: Restart your Mac computer, then press Command + R while restarting.

Step 2: Choose ( Disk Utility ) from the macOS menu.

Step 3: After loading Disk Utility, select the disk to repair, the default name of the system partition is usually “Macintosh HD”, then select ( Repair Disk Permissions ) or ( Repair Disk ), if (Repair Disk) is not available, click ( Verify disk ).

● To repair disk permissions , the system will reset file and folder permissions to their default settings, aligning them with the requirements of the operating system and installed applications. This process involves updating the flags that control the read , write , and execute permissions for each item in the filesystem.

● Repair Disk function: It can make minor repairs to the file system of a volume/partition, and it can make most repairs to the directory structure of a drive.