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How to Recover Lost Mac Data from the System Disk under New macOS High Sierra (macOS 10.13)?
Last Revised: 2017-09-20 17:31:15FAQ for the following product:
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, please "disable System Integrity Protection" first.
How to disable "disable System Integrity Protection"? Please follow the steps below.
Step 1:
Reboot the Mac and hold down "Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.
Step 2:
When the “OS X Utilities” screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose “Terminal”.
Step 3:
In the "Terminal" window, type in "csrutil disable" and press "Enter" then restrart your Mac.
How to disable "disable System Integrity Protection"? Please follow the steps below.
Step 1:
Reboot the Mac and hold down "Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.
Step 2:
When the “OS X Utilities” screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose “Terminal”.
Step 3:
In the "Terminal" window, type in "csrutil disable" and press "Enter" then restrart your Mac.
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