2/21/2023 0 Comments Diskwarrior for el capitan![]() $ sudo /usr/libexec/repair_packages -repair -standard-pkgs -volume / Bottom Line In case the utility finds issues, run the repair utility in Terminal to eliminate the problem: $ sudo /usr/libexec/repair_packages -verify -standard-pkgs / To run the verify utility on El Capitan, type in the following command in the Terminal app: If none of the troubleshooting techniques help Mac OS X has another utility – ‘verify.’ With its help, one can check the disk for possible problems.Make sure you have the latest disk utility version installed on your Mac before trying to repair a disk or volume.However, it’s worth trying third-party disk utilities like Micromat TechTool Pro or Alsoft DiskWarrior. Repair Disk will not have any effect on severe directory corruption.If the following error messages: ‘ Underlying task reported failure’ or error code -9972 persist, consult with the Apple support community.In the event the Disk Utility failed to repair the directory corruption it has discovered, follow the below troubleshooting instructions: The procedure is over when the ‘ Permissions repair complete’ message appears. Running sequential permissions check on several hard disks or volumes is possible. Alternatively, it is possible to repair disk permissions by running a special Terminal command: $ sudo diskutil repairPermissions /ĭisk permissions repair can take some time depending on how fast and capacious your hard drive is.The volume needs repair if you get the following errors:Įrror: The underlying task reported failure on exit. Repairing disk permissions is especially important if the disk check procedure has sustained a failure.It is possible to verify and check disk permissions by clicking the corresponding options.Go back to the Disk Utility home screen and select the volume you want to repair disk permissions.As for macOS Sierra and High Sierra, these OS versions no longer include disk permissions repair. The above applies to the Mac OS X versions before El Capitan. When running a disk repair procedure on your MacBook Air/Pro or iMac, repairing disk permissions is also a good idea. On the latest macOS versions, the Disk Utility will report something like your disk is OK or ‘ your disk has been repaired.’ If disk repair fails, the message will read ‘ The underlying task reported failure.’ How to Repair Mac Disk Permissions? The Disk Utility messages will read as one of the following: Note: running disk repair on a startup disk won’t work, so you will have to boot up from your installation disk or another drive. When disk repair is over, confirm if it has succeeded.Follow the messages that show up during the disk repair process.Open the First Aid tab -> press button Repair Disk to launch the disk repair process.Launch Disk Utility, then select Mac OS X startup disk in the left sidebar.Click the First Aid tab -> click the Run button.įollow these steps to fix corruption of the directory on your system's startup disk:.Go to Applications -> Utilities -> Disk Utility. ![]() However, on macOS Sierra/High Sierra, you can run a disk check for errors: ![]() If Mac OS X startup has failed, running risk repair is the best solution for bringing your computer back to life. It’s worth running periodic disk checks as a part of maintenance routine before installing the operating system and updates, software, or as a preventative measure.
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