Data Recovery When El Capitan Upgrade Shows Error

For users who have recently upgraded to El Capitan, and may think that El Capitan is not working and there is an upgradation errors, read this article completely to know the exact solution.

Let us see some scenarios displaying El Capitan upgradation error:

Scenario1: “Today I tried to upgrade my Mac computer to El Capitan, but while extracting files from the package 'Essentials.pkg', I got ‘Quit installer to restart your computer and try again' error message repeatedly. I am blank about this issue. How to recover data from my Mac now? Please help me out!”

Scenario2: “I was using Yosemite OS for past few months. This morning I tried to update my MacBook to El Capitan, but unfortunately it displayed 'Unknown error has occurred'. Is there any possible way to fix this error? Waiting for your suggestions...”

Scenario3: “I downloaded and started upgrading El Capitan OS on my iMac. After upgradation, I turned off Mac. Later when I turned on again, my entire system was crashed by showing some error statements. I don't know what went wrong. Is there any way to retrieve data from my Mac? I really appreciate for any help...”

If you face any of the above mentioned situation, no need to panic. Here is how you can solve the problem: first of all, shut down your Mac computer. Boot into safe mode. The screen will have Apple logo and progress bar, nothing looks different; but the login screen should have 'Safe Boot' on top right corner of the window. This confirms that you are in safe mode. This time it should work, if it doesn't work, use some trustworthy tool.

Notable features to recover data from El Capitan upgrade error:

Yodot Mac Data Recovery program can restore lost data when Mac El Capitan shows upgrade error within simple ways. Along with upgraded error, frozen, reformatted, inaccessible or damaged drives, it can recover formatted Mac partition easily. Its scanning algorithm helps you to regain files from external storage media drive deleted or formatted with FAT16, FAT32, HFS+, HFSX and HFS file system. This tool supports data recovery from internal hard drive, memory card, flash drives, SSD, portable hard drives, etc. It can restore data with its original directory structure, path, date and file names. In demo version of Yodot Mac Data Recovery, one can know each and every steps that have to be followed to retrieve files. This utility is compatible to run with El Capitan, Leopard, Snow Leopard, Lion, Mountain Lion, Mavericks and Yosemite operating systems obtaining 100% safe data recovery. Windows user can recover files after Windows upgrade on various versions of Windows operating system by using Yodot Hard Drive Recovery.

How to use the software:

  • Visit here to download Yodot Mac Data Recovery utility on El Capitan Mac OS X
  • Install and run the tool by following on screen steps
  • On main window you will get two options 'Volumes Recovery' and 'Formatted / Reformatted Recovery'
  • Hit on 'Volumes Recovery' option to retrieve data from Macintosh
  • Now the tool will display all volumes present on it
  • Select the drive from where data has to be restored and click 'Next' button
  • Software scans selected partition and shows entire list of files from that partition
  • Mark required files which you want to restore
  • At last, choose destination location to save retrieved data from Mac using Save option


  • Do not interrupt while upgrading older version of Mac to El Capitan to avoid data loss
  • Take back up of important files in separate external device on regular basis
  • After losing files from Mac computer do not save any new information on it