The EFI system partition (ESP) usually has a FAT32 file system. It contains the EFI boot loaders and applications used by the firmware at startup. In case, your hard drive has GUID Partition table (GPT) partition style, then it will create an EFI system partition after Installation of OS. It has no drive letter, hence, it will not appear in file explorer. In case, EFI system partition gets corrupted, your system turns non-bootable due to which you will lose all the data stored on your system. If your EFI file system gets corrupted, then follow the methods mentioned here to rescue data.
Method #1: Run Disk Utility
- Search for “Disk Utility” and run it
- Select “check file system” checkbox
- Wait until scanning process gets completed
Method #2: Using Bootable Drive
- Turn on your system by inserting bootable CD/Flash drive
- When you see “Install Mac OS X” click it and hold down C from keyboard
- Accept the license agreement and choose desired language, destination
- Pick the destination drive which has problem and clicks on “Macintosh HD”
- Select the installation method by clicking on “options” icon. Hit “Archive to Install” for saving your personal file folders, networking accounts and user accounts
- And, then select “Preserve Users and Network Settings
- Restart your Mac system to replay for configuration prompt
Method #3: Use Hi5 Partition Recovery software
If above method fails to help you in recovering data from EFI file system, then use Hi5 Partition Recovery software to get back all your data.
Hi5 Partition Recovery software- Data Recovery from EFI File System: –
Hi5 Partition Recovery software helps to restore data from EFI file system that has been damaged due to any reasons. Not just EFI, the tool can be used to restore data from FAT, NTFS, exFAT and HFS file systems. One can use this tool recover data from drive without formatting when it is severely corrupted or damaged.
Steps to Rescue Data after EFI File System Corruption: –
- Download Hi5 Partition Recovery Software and install it on your system. Launch the application.
- From the main screen, select “Partition Recovery” option and click on “Next”
- Pick the drive from where you want to recover data and click on “Next” option
- Once the recovery process is completed, it will display all the retrieved data.
- View them using “Preview” option and store the recovered data to your desired location using “Save” button
