How to Retrieve Locked Drive Data After Reinstalling Mac OS?

“Hi, I wanted to install a fresh copy of Mavericks on my Mac machine. So I rebooted the system, pressed CMD+R, entered Disk Utility and tried to make hard drive for journaled. But in mid of the process, a failure error cropped up. And now, my hard drive is locked. Nearly all options are grayed-out and I have no line of attack to boot into OS X. I am worried because I don’t have any backup copy. So please help me to fix this issue and access my HDD”.

Errors emerged during focal point of any major processes like OS installation, reinstallation etc. may consequence unexpected results just like as mentioned above. And now to unlock the Mac drive, you can give a try for below mentioned methods one after the other until the locked drive becomes normal.

Method 1: Try to find Unlock option in File menu of Disk Utility > opt it > enter the Password of your user name

Method 2: At boot, press CMD+R > connect internet > wait until the recovery utility downloads and installs completely > now you will get a recovery window > launch Terminal from Utilities menu > type diskutil cs delete “Fusion Drive” (including quotes)

Even after above fixation if you fail to unlock Mac hard drive then it looks like the disk is corrupted and the best option would be is to erase the Mac drive and accomplish fresh OS X install.

But it is suggested to save your data before wiping the drive completely. Detach the drive and connect it to a healthy Mac machine externally. If you can access data present on the hard drive then copy files from it to the working Mac computer. In case if you can't access locked disk drive data or if you get stuck in the loop then you have to use the pertinent data retrieval software like Yodot Mac Data Recovery.

Way to recover data from locked drive during OS X reinstallation:

Yodot Mac Data Recovery is the reliable and most effective way to recover files and folders from hard drive, which is locked during OS X reinstallation process. The tool has smart as well as user-friendly GUI, robust in-built mechanism and excellent technical assistance, which all can aid you to restore data from locked Mac hard drive without any difficulty. The utility not only recovers locked drive data, also doubtlessly restores deleted, inaccessible and lost data from Mac internal drives, external disks, flash memory card, pen drive, USB drive, iPods, etc. on Mac platforms. The application is capable of retrieving files from corrupted, formatted, inaccessible etc storage spaces on Macintosh without any impact on your original data. The program is compatible with various brands of HDD like WD passport, Seagate, HP, Toshiba and more. The tool works flawlessly on almost all versions of Mac operating system and supports data recovery from HFS+, HFSX, FAT, NTFS and exFAT drives.

How to recover locked drive data with Yodot?

  • Connect the locked drive to working Mac machine
  • Setup and run Yodot Mac Data Recovery on Mac system
  • Click on Volumes Recovery
  • Pick your locked drive from displayed list
  • Specify files to recover if you wish; else go for Skip/Mark all option
  • Mark files from restorable list of data in File Type View or Data View
  • Preview media files and click on Save option
  • Mention destination to save retrieved data

Important measures:

  • Frequently backup your essential files and save them on various location including external storage spaces
  • Don't forget to enable Time Machine on your Mac system

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