Way to Check Hard Drive Health of a Mac with Disk Utility

Well, Guys, it is too good idea to inspect the hard drive health of a Mac as part of a periodic support routine. However, performing this is too simple with Disk Utility. We will cover exactly the way to verify hard disks, also the way to repair them. And what we have to do whether we experience any issues or errors in the process. However, this works for all hard drives, if it is an internal drive, an external drive, or a boot disk, however, the procedure is a little bit different for boot/start drives. Let us start.

Checking Hard Drive Health on Mac

However, guys the first thing that you will like to do is to check the hard drive health, this is completed with a method called verification, & it’s pretty straightforward:

  • Fits of all you have to organize the Disk Utility, simply found it within the /Applications/Utility folder
  • Choose the Mac hard drive from the left side menu. Tap on the “First Aid” tab
  • Tap on “Verify Disk” in the lower right corner & then allow it to run

You guys will here find the window which is populating with messages just about the health of the drive. And the messages that specify that things are fine visible in black, messages that also specify something is wrong appears in red. Disk Utility should appear something like the follow mentioning screenshot:Hard Drive

Similarly, also for the extensive majority of users, what you view will look something just like this, concluding with a message of “The partition map appears to be OK”, simply specifying that no errors also have been found:

Verifying partition map for “APPLE Media”
Checking prerequisites
Checking the partition list
Checking for an EFI system partition
Checking the EFI system partition’s size
Checking the EFI system partition’s file system
Checking all HFS data partition loader spaces
Checking Core Storage Physical Volume partitions
The partition map appears to be OK


Whether you do view a red message simply saying that something along the lines of “Error: This disk needs to be repaired”. So then you are also able to just select to tap the “Repair Disk” button. In order to start that repair process, however, that will work for any internal or external drive – whether the drive in question is your boot disk, so then you will there find the “Repair Disk” button is inaccessible/unreachable. That does not mean you are unable to repair the boot drive, however, it just requires an additional step that we will cover then.

Also read: Fix: AirPods Disconnecting from iPhone, iPad, or Apple Watch

Repair a Boot Disk with Disk Utility

Well, now you will need to do is to restart into the Recovery HD partition. Manage the Repair Disk from there, here is the way in which you guys have to do that in Modern MacOS versions including macOS Sierra, High Sierra, Mac OS X El Capitan, Mavericks, Yosemite, OS X Lion, Mountain Lion, & OS X Mavericks.

Though before proceeding it is also a good idea in order to backup your drive quickly with Time Machine.


  1. Restart the Mac & then hold down Command+R (hold own Option key on some Macs)
  2. Choose the “Recovery HD” from the start menu
  3. Select the “Disk Utility” from the Mac OS X utility screen
  4. Tap the hard drive which has reported the error, tap the “First Aid” tab, and here tap on “Repair Disk”

Similarly, after Repair Disk also has managed successfully, so then you are free to start OS X as usual & the drives problems should be resolved.

Moreover, depending on a hard drive being healthy is not an alternative to have a backup. So you must have to backup your Mac with regularity by using the Time Machine or some further method whether you Select. Hard drives fail, it is a reality of calculating life. It is also essential in order to note Disk Utility is not a 100% conclusive test suite to discover drive health. Whether you hear weird sounds just coming out of the hard drive perhaps it is a good time to head down to Apple & their prepare for a drive swap. Only because that drive is likely croak soon.

At last, whether you have to perform further maintenance on the disk. So then you probably have to use fsck for repairing the drive. That is more complex & needs the usage of the command line.

Also see this post: How To See What Is In My iCloud Storage? How To Delete it?


Well, I hope that you like the guide. If you gave any queries so then you can ask us in the comments section below.

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