iMac hard drive failure data recovery, recover lost data from failed iMac hard drive

By Katrina | Posted to Mac Data Recovery Tips on January 15th, 2019 |

"I bought iMac in 2011 and worked perfectly fine until 4 days ago. The first sign was everything became so slow. Every task took about 2 minutes to finish or the mouse cursor spinning forever. Then I started rebooting the system. The problem remained. Then I realized, since I bought iMac, I never used time machine or external drive to set up the backup files. I wonder if anyone could tell me a solution to recover all my files in iMac."

When you suffer from a sudden crash, low speed or strange errors on iMac, you should consider that the hard drive may be failing. The iMac hard drive failure occurs when catalog files/journal files or other important system files become corrupted, or if the boot records or partition tables become severely damaged, etc. It can be so frustrating since you will be blocked out from the system and all files on the computer turn to be inaccessible.

iMac failed and won't boot or startup properly? In this post, you will learn about how to recover lost data from failed iMac hard drives in a feasible and effective way.

Free iMac hard drive failure data recovery software

iBoysoft Data Recovery for Mac is the best free iMac hard drive failure data recovery software which is designed to recover lost data from dead, crashed or failed MacBook Pro, Air, iMac or Mac Mini, recover lost data from failed internal Mac hard drives, etc. on macOS Catalina 10.15/Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.

There is no need to take out the internal hard drive from Mac computers, this powerful software can scan and bring back all lost data without booting into macOS. Whether you can find a working Mac computer or not, it can solve the problem of data recovery as well.

Tutorial to recover lost data from failed iMac hard drive

Solution 1: If you have only one Mac

If you have only one computer at your hand, please click to see how to run iBoysoft Data Recovery for Mac bootable media through iBoysoft Server.

Note: To perform the steps below, please make sure you can boot your problematic Mac into Internet Recovery Mode. That's to say, you need to connect it to a network, such as a WIFI network.

Step 1: Click the Power button to turn on the Mac, and immediately press COMMAND+OPTION+R keys until you see the spinning globe. This will boot your Mac into macOS Recovery mode.

Step 2: Choose a network for your Mac. You need to make your Mac connected to the Internet all the time.

Step 3: Go to Utilities > Terminal from the menu bar to open Terminal.

Step 4: Type: sh <(curl http://boot.iboysoft.com/boot.sh) and press Enter. This will launch iBoysoft Data Recovery for Mac through iBoysoft Server.

sh <(curl http://boot.iboysoft.com/boot.sh)

Step 5: Once you launch iBoysoft Data Recovery for Mac, you need to choose the failed iMac hard drive and click the "Next" button. This program will start scanning for lost files on the drive.

Step 6: Preview the scanning results, and choose the files you want to get back.

Step 7: Click the "Recover" button. You need to specify a different location to store the recovered files.

Solution 2: If you have two Macs

step 1: Download iBoysoft Data Recovery for Mac on another Mac computer.

Step 2: Install and launch iBoysoft Data Recovery for Mac on the healthy Mac computer.

Step 3: Click iBoysoft Data Recovery on the menu bar and then select "Create Boot Drive".

iBoysoft Data Recovery create bootable drive

Step 4: Insert a USB drive into the healthy Mac computer and choose it as the media to create a bootable drive on.

iBoysoft Data Recovery create bootable drive

Step 5: Click "Make bootable" and the creation process will start immediately.

Note: This process will erase all data on the USB drive. So please be sure to make a backup if there're important files.

iBoysoft Data Recovery create bootable drive

iBoysoft Data Recovery create bootable drive

Step 6: When the creation process completes, you can insert the USB drive into the unbootable Mac computer, and then press the Power button and Option key (⌥) to start the Mac.

iBoysoft Data Recovery create bootable drive

Step 7: Select iBoysoft Data Recovery for Mac from the boot options.

If you're running macOS Mojave or earlier, iBoysoft Data Recovery for Mac will launch immevdiately when your Mac boots up. But, if your Mac is running macOS Catalina, you need two additional steps to launch this program.

Step 8: Wait for your Mac to boot up, open "Terminal" application from "Utilities" drop-down menu.

Open Terminal

Step 9: Run the following command:

'Volumes/Image Volume/boot.sh'

Launch iBoysoft Data Recovery for Mac Command

Then follow the wizard to scan for the lost data on the failed iMac hard drive easily.

In addition to iMac hard drive data recovery, iBoysoft Mac Data Reovery can also recover lost data from formatted, unmountable, unreadable, inaccessible hard drives, external hard drives, USB flash drives, SD card, memory cards, etc.

How to fix iMac hard drive failure?

After retrieving files from iMac hard drives, you can erase the iMac hard drive and reinstall the macOS to fix iMac hard drive failure.

Step 1: Boot your iMac to macOS Recovery mode: hold down Command + R keys immediately after pressing the power button to turn on your Mac, release the keys until you see the Apple logo.

Step 2: Select Disk Utility from the macOS Utilities menu.

Step 3: Select the failed iMac hard drive from the side bar.

Step 4: Click on Erase from the top.

Step 5: Setup the required information to reformat the disk and click Done when finished.

Step 6: Go back to macOS Utilities screen and select Reinstall macOS.