Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13 through Bitwar Data Recovery for Mac, please take the solutions below to get lost macOS 10.13 data back from system drive.

Solution

Disable System Integrity Protection (SIP) to Recover Lost Data from System Drive

Step 1:Reboot your Mac

Step 2:Boot into macOS Recovery Mode

Hold down Command + R at the same time and boot into Recovery Mode

Step 3:Run Terminal app

Click on Utilities menu and launch Terminal

Step 4: Disable file system protection

Type in csrutil disable in the window of command line and press Return

Step 5:At last, Restart your Mac again

After you have disabled the System Integrity Protection (SIP), please launch Bitwar Data Recovery for Mac and start scanning lost files for your mac data recovery on system drive. When you have restored lost data from the system disk under macOS 10.13, please remember to enable the System Integrity Protection (SIP) to keep your Mac protection. Just enter csrutil enable in the fourth step to turn the SIP on again like the process of disabling it.