- Aug 7, 2018
- Intel HD Graphics 5500 + nVidia GTX950m
- OS X/macOS
- Clover (UEFI)
- iMac, iMac Pro, Mac Pro, MacBook, MacBook Pro
- Mobile Phone
- Android, iOS, Other
How to use Disk Utility
To open Disk Utility, you have two ways:
1. First you go to Applications, then open Utility, and you will find this icon:
2. You use Spotlight Search, called with Command + Space, where you write "Disk Utility" and you'll se something like this:
Clicking on it, will show this window:
From here you can partition a disk, erase it, restore it, mount or unmount it, see more detailed information about it or "fix it" using the First Aid function.
Let's start with the First Aid function
It will check your volume and, if needed, it will repair it.
Clicking on it, will open this window:
You'll click on Run. If the partition you've selected for First Aid is your Boot Volume, you'll see this window (otherwise ignore this step and go forward):
Then, it will start and, if you expand the details, you'll see something like this:
Verifying file system. Using live mode. Performing live verification. Checking Journaled HFS Plus volume. Checking extents overflow file. Checking catalog file. Checking multi-linked files. Checking catalog hierarchy. Checking extended attributes file. Checking volume bitmap. Checking volume information. The volume Macintosh HD appears to be OK. File system check exit code is 0. Operation successful.
You click on done and you're done!