If you know of any method to enable the Debug menu in later versions of Mac OS X, share with us in the comments below. Note this applies to versions of Mac OS X prior to El Capitan, like Yosemite, Mavericks, Mountain Lion, and Lion, as the Debug menu was removed from later versions of Disk Utility in MacOS Mojave, Catalina, High Sierra, Sierra, etc. To hide the debug menu again from Disk Utility, use the following defaults write command:ĭefaults write DUDebugMenuEnabled 0 How to Disable the Disk Utility Debug Menu on Mac OS X That may be necessary if you’re planning on undoing a dual boot between Snow Leopard 10.6 and Lion but otherwise is likely not a good idea. It’s really not recommended without a compelling reason (like downgrading to 10.6), but you can delete “Recovery HD” using this method to make the drive visible. Desktop Sign in Create account Categories Desktop OnyX 3.8.5 4.5 Download (4.9 MB) Home System Utilities Optimizers OnyX OnyX 3.8. (0) 5 NedC 24 December 2019 Version: 3.7.1 Works as advertised.

Theres even an easy to use manual for Terminal as long as you know what it all means. Be aware that if you start moving or deleting files on crucial partitions like Recovery HD, they very well may not work when you need them to. Onyx For High Sierra Manual For Terminal. Going back to the Finder, you’ll now find the hidden partition is now visible as any other drive, and it will even appear on the Desktop if you have icons shown there.

Right-click on the greyed out partition to mount and choose “Mount ”.

Now the hidden partitions will displayed alongside mounted visible partitions, but they will appear grey rather than black.

Click on the new Debug menu and pull down and select “Show every partition” so that a checkmark appears next to it.

Relaunch Disk Utility and look for “Debug” to appear alongside ‘Help’.Quit out of Disk Utility, and launch Terminal to type the following defaults write command:ĭefaults write DUDebugMenuEnabled 1.How to Enable Debug Menu in Disk Utility to Show & Mount Hidden Partitions in Mac OS Xīefore gaining access to the hidden partitions you will need to turn on the hidden debug menu within Disk Utility:

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