macOS 10.13, 10.14, 10.15 and later macOS is using the new file system – Apple File System (APFS). It doesn’t allow any application to access to the system hard drive (the hard drive where the macOS is installed). So, no data recovery software can directly scan the system hard drive (also called startup hard drive, boot hard drive, Mac HD, etc) under macOS 10.13 High Sierra or later macOS. If you want to recover lost data from the system hard drive in APFS, you should disable System Integrity Protection (SIP) first and then run the data recovery software.
Do Your Data Recovery for Mac can help you directly recover lost data from other hard drive, USB flash drive, memory card or external device under macOS 10.13 High Sierra or later macOS. But, if you want to recover lost data from system hard drive under macOS 10.13 High Sierra or later macOS, just follow the steps below.
System Integrity Protection (SIP) is a security feature introduced in Mac Operating System to restrict the access of third-party applications to system disk and partition. This feature prevents any modification in protected system files and folders on your Mac.
Follow these steps to disable System Integrity Protection (SIP) and recover lost data from system hard drive in APFS (macOS 10.13, 10.14, 10.15 or later).
Please use your Phone to take pictures of the steps below before you restart your Mac.
Step 1: Click the menu on your Mac and then select Restart.
Step 2: Now your Mac will restart, press and hold 'Command + R' key until your Mac boots into Recovery Mode. (Press and hold the power button if you are using M1 Chip Mac.)
Step 3: Click on Utilities menu and launch Terminal.
Step 4: Type in csrutil disable in the window of command line and press Return.
Step 5: restart your Mac again, and then Run Do Your Data Recovery for Mac to recover lost data from system hard drive in APFS file system (macOS 10.13 and later macOS).
If you have any question, just send an email to [email protected]. You also can share this article to your facebook, twitter or mobile phone before restarting your Mac.