How to Fix Pesky Problem of No Access to Your Own Volumes at the Top Level
Hook up another drive, and macOS tells you that you do not have permission to make changes to it at the top level, something as simple as creating a new folder or copying files there. Crazy stuff, but that’s macOS.
Not just that, but programs like IntegrityChecker Java will be denied permission to write or update its hash info at the top level (icj issues a warning but that’s all it can do).
Fixing top-level permissions on volumes/drives
First, make sure that
has has checked. (Don’t ask me why flash drives and SSD’s are still “hard disks”... WTH).- Do on the volume icon.
- Click the lock icon at lower right and unlock things.
- Click the "+" icon to add a new permission.
- Add yourself with read/write permission.
- Close the window.