How to Repair Hard Drives and Disk Permissions with Mac Disk Utility

How to Repair Hard Drives and Disk Permissions Using Mac Disk Utility

Wondershare Recoverit Authors

Sep 28, 2020 • Filed to: Answer Hard Drive Problems • Proven solutions


Data is synonymous with identity. A lot of us continually store our important information in the forms of pictures, videos, audios, and other files on computers. It is safe, all in place, and stored compactly. But even in the world of near-perfect computers, problems may arise and that could compromise important information. Even though backing up your important information is a largely popular practice now, sometimes we are faced with the unfortunate challenge of corrupted hard disks and disk permissions that contain important information. To overcome this, repairing hard drives and disk permissions using Mac Disk Utility is a viable option to retrieve back all your important personal or work-related data.

Read on to find out why and how to repair the hard drive and disk permissions using Mac Disk Utility:

Part 1. Why you need to repair hard drives

Even though these days a lot of people back up data on the cloud or using various other online services, but newspapers oftentimes run articles on how these backups aren't safe and are, in fact, very prone to hacking. Since a ton of data gets generated daily and one needs easy and quick access to a safer backup option, one might turn towards a hard disk drive.

A lot of us have our photos, movies, music, videos, all other kinds of personal as well as work-related information saved on hard drives. These hard drives sometimes tend to stop working and develop logical errors. These hard drives with logical errors create bad sectors that can't be used for reading and/or writing. However, since there is nothing physically wrong with the hard drive, your treasured hard drive can still be repaired. Read on find out how to repair hard drives using Mac Disk Utility.

Part 2. Why you need to repair disk permissions

Disk permissions are the permissions that files and directories need to determine which user/system can access which file and what can it do with the said file. Repairing your disk permissions is a very basic troubleshooting method that Mac would perform on its own during installing or upgrading its OS X.

Sometimes, a few programs automatically change a few permissions to run and this change can cause obvious trouble. Sometimes, a program might make a file not-executable and that would mean you can't save or modify this file anymore. So, if you're having this kind of trouble, there is a sure-shot way to repair disk permissions using Mac Disk Utility.

Part 3. How to repair hard drives with Mac Disk Utility (Guide Steps)

Repairing your hard drives can fix a lot of problems that arise due to it being potentially damaged such as apps that keep crashing, certain programs not running, or computer having trouble starting up. All of these can be resolved by repairing your hard drive using Mac Disk Utility in the following ways:

How to Repair Hard Drives and Disk Permissions using Mac Disk Utility-1

    1. Go to Apple Menu and click on Restart.
    2. Once restarted, press and hold the Command and R keys until the Apple logo is on the screen.
    3. Now go to Disk Utility and click on Continue. On the side, select the disk you want to repair.
    4. Click on the First Aid button.

Warning: If the Mac Disk Utility tells you that the disk could fail, this is the time you backup all your data as best you can and let go. Because this hard drive can't be repaired.

    1. Click on Run.
    2. Once the Disk Utility shows that the disk is OK or has been successfully repaired, you can click on Show Details to know more about the repairs.

Warning: a) If Disk Utility shows "Overlapped Extent Allocation" errors, you will have to go to the Damaged Files folder to look for corrupted files at the top level of your disk. Delete these or replace them.

b) If Disk Utility shows "The underlying task reported failure", then try to partition your disk again. If this does not help, choose to format after backing up all your info as a last resort.

Part 4. How to Repair Disk Permission with Mac Disk Utility (Guide Steps)

If your disk permissions have been changed so that it is stopping some files to read, write or execute properly, then you need to repair those disk permissions using Mac Disk Utility. Here's how to do it:

How to Repair Hard Drives and Disk Permissions using Mac Disk Utility-2

Warning: This can only be done in OS X Yosemite or an earlier version than that.

  1. Go to Applications > Utilities > Disk Utility
  2. Select the startup disk from the list of volumes
  3. Click on First Aid
  4. To check permissions, click on Verify Disk Permissions.
  5. To repair permissions, click on Repair Disk Permission.

Part 5. How to recover hard drive for Mac

Your data on the hard drive can be lost due to a lot of reasons: sudden power off, virus, formatting, improper partition, or a hard disk crash. To safeguard your data, you can only try backing it up everywhere. However, that's not an entirely safe option either considering that hackers are onto everything these days. So, in such cases, data recovery is very much a solution. Using reliable software such as Recoverit for Mac could help you get back all of the lost data that is so important to you.

Recoverit for Mac can help retrieve data from your hard disk, external hard disk drive, USB and other storage devices as well. It can recover files in 550+ formats from recycle bin, hard drive, memory card, flash drive, digital camera, and camcorders. Its special features allow a preview of the data before recovery so you can select the data you want to recover. It is compatible with Mac OS X 10.6 and higher, Yosemite, El Capitan, Sierra) on iMac, MacBook, Mac Pro as well as Windows 10/8/7/XP/Vista, etc.

Apple always likes their devices to be independent and the Use Disk Utility to partition your Mac hard is a product of Apple's flair for self-reliance. Partitioning of Hard drive is a delicate process and should be followed systematically to avoid damage to hard drive or loss of data.

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Retrieve back all your important data saved on computers that have gotten compromised by repairing hard drive or disk permissions through Mac Disk Utility. However, if the hard drive is damaged and you have lost information that wasn't backed up before the damage, you will need a more trusted and efficient software such as Recoverit to perform a full recovery of your data on Mac. Available in two versions, download it today to recover data fully and easily.

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