#RUN DISK UTILITY MAC EL.CAPITAIN HOW TO#
How to run first aid from recovery to repair disk errors?Ģ. As one wrong command might cost you a huge amount of data loss from your external disk. Note: It is always suggested to backup data from SSD before running First Aid Disk Utility.
Run First Aid in Recovery Mode using Command Line.
This Disk First Aid utility validates and repairs errors and logical problems associated with external drives like SSD not working properly, Mac system having startup issues, issues pertaining to the file system like APFS, HFS, and HFS+, etc. So, here is an article to help you fix unable to run First Aid Disk Utility in recovery mode.įirst Aid is functionality available under Mac Disk Utility. Well! This has been a quite common issue now, Mac users trying to run First aid from recovery mode to fix corrupt SSD, USB drive, or external drive not showing up on Mac. Can you please help me to fix this issue?” But, I got the same error message as above. When I got into Recovery Mode, I opened Disk Utility and then selected the SSD drive to run First Aid. So I restarted my computer by holding Cmd-R options to enter Recovery mode. To repair the startup volume, run First Aid from Recovery." "First Aid found corruption that needs to be repaired. “When I tried to run First Aid on the SSD drive, it prompted an error stating that