Repairing Guides

how to repair a hard drive on mac

by Nathan Dicki Published 3 years ago Updated 2 years ago
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Repair a storage device in Disk Utility on Mac
  1. In the Disk Utility app on your Mac, choose View > Show All Devices. ...
  2. In the sidebar, select a volume, then click the First Aid button .
  3. In the First Aid dialog, click Run, then follow the onscreen instructions.
  4. When the First Aid process is complete, click Done.

Full Answer

How do you repair a hard disk on a Mac?

How to repair a Mac disk with Disk Utility

  • Open Disk Utility. In general, you can just open Disk Utility from the Utilities folder of your Applications folder. ...
  • Select your disk in Disk Utility. Choose View > Show All Devices (if available) from the menu bar or toolbar in Disk Utility. ...
  • Repair volumes, then containers, then disks. ...

How to repair a corrupt Mac hard drive?

What is corrupt hard drive on Mac?

  • Solution 1: Check if your drive is properly plugged in
  • Solution 2: Check if it is a faulty connection
  • Solution 3: Fix/repair the corrupted external hard drive with Disk Utility
  • Solution 4: Fix/repair the corrupted external hard drive by reformatting

How to recover Mac hard drive?

To use EaseUS to restore a formatted hard drive on Mac:

  • Download and install EaseUS Data Recovery Wizard. ...
  • Grant EaseUS permissions to access your drives (required for data recovery).
  • Choose the formatted drive you’d like to recover files from and click the “Scan” button.
  • Wait for the scan to complete. ...
  • Drill down through the file locations to find the files you’d like to recover. ...

More items...

How to clean a Mac hard drive?

How to clean up Mac hard drive space? Here are few tips that would help you to unload your hard drive. 1. Delete unnecessary apps and games. Most of us will have games, apps and other content that is no longer needed taking up hard drive space. Even Mac’s, with as much memory as some of them are equipped with, run out of space eventually.

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How do I fix a corrupted hard drive Mac?

How to Fix a Corrupted Hard Drive on a MacRepair the Corrupted Hard Drive Using Disk Utility. ... Initiate the FSCK Command. ... Try Free Software to Recover Mac Hard Drive Data. ... Recover from a Time Machine backup drive. ... Hire a hard drive recovery service for Mac. ... 🔌 Shut Down Your Mac Safely. ... ⚡ Prevent Spills and Exposure.More items...•

Can an Apple hard drive be repaired?

Disk Utility can find and repair errors related to the formatting and directory structure of a Mac disk. Errors can lead to unexpected behavior when using your Mac, and significant errors might even prevent your Mac from starting up completely.

Why is my hard drive not working on Mac?

Your external hard drive is not readable on Mac because it is formatted in NTFS, HFS+, or another format not supported by macOS. A loosely connected or frayed USB cable is another possible reason the external drive is not recognized by your Mac. Change the cable to fix the issue.

How do I recover a failed hard drive Mac?

In the Disk Utility app on your Mac, choose View > Show All Devices. If Disk Utility isn't open, click the Launchpad icon in the Dock, type Disk Utility in the Search field, then click the Disk Utility icon . In the sidebar, select the volume you want to restore, then click the Restore button .

How do I fix a corrupted hard drive?

You can fix the 'Disk Structure Corrupted and Unreadable' error by:Unplugging and re-plugging the external HDD or USB drive.Uninstalling and reinstalling disk drive.Running hardware and device troubleshooter.Running disk scan for hard drive errors.Running CHKDSK command.More items...•

Can you open a hard drive and fix it?

An external hard drive is just a regular internal hard drive in an external case. You can open the case and take out the drive, and from here you can connect it to a computer in a number of different ways. Or you can find a replacement case and install the hard drive so you again have a functioning external hard drive.

How do you reset the disk on a Mac?

Choose Apple menu > Restart, then immediately press and hold Command-R. In the Recovery app window, select Disk Utility, then click Continue. In Disk Utility, select the volume you want to erase in the sidebar, then click Erase in the toolbar.

How do I restore my hard drive?

Steps to Recover Data from a Corrupted or Crashed Hard DriveDownload and Install Disk Drill for Windows or Mac OS X.Launch Disk Drill recovery software, select the crashed hard disk and click: ... Preview the files you found with Quick or Deep Scan. ... Click Recover to recover your lost data.

What is a corrupted hard drive?

Hard drive data corruption occurs when a system cannot finish writing data to a file or when segments of the file become inaccessible. It is a common cause of data loss, as corrupted files are often unusable.

Is there a way to fix a corrupted hard drive on a Mac?

Several disk utilities and third-party software tools can help you fix a corrupted hard drive on a Mac. Depending on your unique situation, some or...

How did my hard drive get corrupted on a Mac?

Most Mac corruption issues occur because of unexpected power failures, physical damage, RAM problems, and hardware failure. Malware can also creat...

How do I fix a corrupted hard drive that won’t boot?

You must initiate a repair process through Mac to restore a corrupted hard drive. Disk Utility apps and free third-party solutions can accomplish t...

How do I fix a corrupted hard drive on a Mac?

You can fix a corrupted hard drive by recovering missing or deleted files using data recovery software and the following procedure. Download and in...

How do I know if my Mac hard drive is corrupted?

The signs that your Mac’s hard drive is corrupted include: Applications respond inconsistently or suddenly quit; Files won’t open; You can’t move f...

How do I restore my Mac hard drive?

To restore a Mac hard drive after formatting it or deleting all its files, use the following procedure. Download and install Disk Drill for Mac on...

How much does it cost to fix a Mac hard drive?

The cost of fixing a Mac hard drive varies depending on the type of damage the device has experienced. Logical data loss due to accidental file del...

Can you fix hard drive corruption?

Yes, you can absolutely fix most hard drives from corruption. Unless there’s any physical damage to a hard drive, you can always reformat it and us...

How did my hard drive get corrupted?

Your hard drive can get corrupted for multiple reasons such as mechanical component issues, software or storage errors, and even electrical surges....

Can a laptop hard drive be repaired?

In most cases, a laptop hard drive can be repaired by a software repair tool or by reformatting that drive. If your main drive is compromised, you’...

How to repair a corrupted hard drive on a Mac?

How to Fix a Corrupted Hard Drive on a Mac. 1. Repair the Corrupted Hard Drive Using Disk Utility. 2. Initiate the FSCK Command. 3. Try Free Software to Recover Mac Hard Drive Data. 4. Recover from a Time Machine backup drive.

How to recover information from a corrupted hard drive?

1. Repair the Corrupted Hard Drive Using Disk Utility. After discovering the corrupted hard drive, you can repair it through the Terminal. Once you open it, type in this command:

How to turn off Mac for the day?

When it is time to turn your Mac off for the day, go to the Apple menu at the top left to initiate the command. If you need the computer to sleep, you’ll find that option available in the same location.

Can you revert to a previous version of Time Machine?

If you use Time Machine on Mac, you can revert to a previous version to eliminate the corrupted files. This method works if you have a saved disk image that doesn’t contain the problem. Here’s what you need to do: Connect your Time Machine backup disk if it’s not already connected to your Mac.

Can malware cause a corrupted hard drive?

Malware can also create corruption problems on a Mac hard drive. These factors can adversely impact any external drives you have connected to the Mac, which means each one may need to be searched, scanned, and repaired before full functionality gets restored.

Can you use Time Machine to restore a Mac?

Whether you use Time Machine or a third-party tool to create an image of your drive, it is critical to keep at least one copy of your files and folders. If something happens, you can use this compressed storage medium to restore your Mac.

Can you use Disk Drill on Mac?

Software tools like Disk Drill for Mac are useful when First Aid and Time Machine won’t work or are unavailable. You can also use third-party free tools to get the results you want. A corrupted drive won’t fix itself. If you take these steps today, you can get your Mac running better faster than you might realize.

Signs of a Corrupted External Hard Drive

External storage devices like a hard drive, especially HDDs, are more prone to being corrupted because of how they’re built. HDDs continually spin a disk that stores your files, and vibrations or sudden forces can move or damage the disk.

Signs of a Corrupted Internal Hard Drive

Although Apple is known for its security, your Mac’s internal hard drive isn’t totally immune to getting corrupted. You may have installed a malicious program or had a recent crash that caused unsaved, corrupted files to appear in your system.

Fixing Corrupted External Hard Drives On a Mac

With all that said, thankfully there are as many ways to fix these problems as there are symptoms for it!

Bonus Tip: Disconnect Your Device Properly

If you somehow managed to repair the external hard drive on your Mac, let’s make sure that this problem doesn’t come up again.

Conclusion

Losing a hard drive can be such a huge problem, especially for the creatives who need it for files or for sentimental people keeping memories. While it’s inevitable for a hard drive to eventually break down and become obsolete, there are a ton of ways to recover and restore the health of a hard drive for another year.

How to repair a disk on Mac?

To check and repair a disk, you need to run First Aid on each volume and container on the storage device in turn, then run it on the storage device itself. If Disk Utility tells you the disk is about to fail, back up your data and replace the disk—you can’t repair it. Open Disk Utility for me. In the Disk Utility app on your Mac, choose View > Show ...

What to do if Disk Utility can't repair your disk?

If Disk Utility can’t repair your disk, or you receive a report that the First Aid process failed, try to repair the disk or partition again. If that doesn’t work, back up as much of your data as possible, reformat the disk, reinstall macOS, then restore your backed-up data.

Can disk utility fix a disk?

Disk Utility can’t detect or repair all problems that a disk may have. To check and repair a disk, you need to run First Aid on each volume and container on ...

How to Fix Corrupted Hard Drive on Mac with Disk Utility?

Disk Utility is a built-in Mac repair tool. It can scan the hard drive and fix most drive errors related to the formatting and directory structure. This program can also fix particular disk errors like when multiple apps quit unexpectedly, external devices fail to work, or your Mac won't boot up.

What To Do when Disk Utility Failed to Repair Hard Drive

Disk Utility is one of the fastest and simplest ways to repair your damaged hard drive. But sometimes Disk Utility can't fix your drive, or the First Aid process might fail. In that case, Apple advises to first backup the corrupted hard drive and then format it before recovering data from the backup files.

Bonus Tip: How to Protect Mac Files and Data

No matter how careful or alert Mac users you are being, your disk could fail anytime, and you can lose your entire data. Therefore, the best practice to protect your Mac data is to back it up.

Conclusion

When your hard drive corrupts, it's alright to feel stressed as all your data will get lost with it. But if you have already backed up your data, you won't feel that much stress.

How to fix a corrupted external hard drive on Mac?

How to fix/repair corrupted external hard drives on Mac? Solution 1: Check if your drive is properly plugged in. Solution 2: Check if it is a faulty connection. Solution 3: Fix/repair the corrupted external hard drive with Disk Utility. Solution 4: Fix/repair the corrupted external hard drive by reformatting.

How to recover files from a corrupted external hard drive?

1. Download and install iBoysoft Data Recovery for Mac on your Mac computer. 2. Connect the corrupted external hard drive to your Mac and launch iBoysoft Data Recovery for Mac. 3. Select the corrupted drive and click "Next" to scan for all the lost files. 4.

Why is my external hard drive corrupted?

Since the external hard drive is connected through the USB cable and port, it could be corrupted due to a wobbly connection. You can just connect your external hard drive to another USB port or USB cable.

Why is my Mac not recognizing my external hard drive?

A corrupted external hard drive will look like this: the Mac computer won't recognize the external hard drive when you plug it into the USB port, and the hard drive will not be automatically mounted and you can't access data on this drive.

How to avoid losing data from external hard drive?

To avoid losing data from corrupted external hard drive, you'd better do yourself a huge favor and make sure your backup strategy is up and running and foolproof. A little pain now will save you a world of hurt in the future. If you have already lost data because of external hard drive corruption, without wishing to pour salt in the wound, recover the lost data with iBoysoft Data Recovery for Mac software for good.

What command to use to fix corrupted external hard drive?

When Disk Utility’s First Aid can’t repair an external hard drive, use file system consistency check (fsck) command in Terminal or Single-User Mode to fix file system corruption issue. Corruption in the file system makes the stored data inaccessible, so follow the precautions and best practices to mitigate it.

How to prevent file system corruption?

The following precautions and best practices will lessen the chances of file system corruption: Always unmount your external hard drive safely. Do not eject or pull the cable of the drive abruptly. Don’t transfer files or manage external disk when your Mac is low in battery. Back up your external hard drive data.

Why is my Mac hard drive bad?

Mac hard drive accumulates bad sectors due to ageing and usage. You can fix the hard drive containing bad sectors by using the Disk Utility’s First Aid feature. If the drive is about to fail, you can clone the drive using the Restore feature of Disk Utility. Then, replace the hard drive with the clone.

Why does my hard drive get scratches?

Generally, a hard drive gets scratches or dents due to jerks, mishandling, or ageing. These damaged areas are called bad sectors. In case the bad areas of the platter contain stored data, then the data turns inaccessible. You can’t read the data or write anything on to the bad areas through the read-write head.

What is Stellar Data Recovery Professional for Mac?

Stellar Data Recovery Professional for Mac bundles Stellar Drive Monitor tool, which can be used to map bad sectors of your Mac hard drive and even create a clone of the drive. Steps to map bad sectors and clone your Mac hard drive are as follows:

What is disk utility?

Disk Utility uses SMART (Self-Monitoring, Analysis, and Reporting Technology) to check the status of your startup disk. The information provided by the application is not comprehensive, but you can at least know whether your hard drive is OK or failing. Also, Disk Utility may not support SMART on your external storage device.

Can you fix bad sectors on a Mac?

You can’t fix the bad sectors. But you can, of course, deallocate the storage space occupied by bad sectors so that it is not used anymore. You lose some hard drive space after the deallocation, but your Mac will function properly. Disk Utility allows you to repair your hard drive and fix disk issues.

How to repair a hard drive on a Mac?

How to Repair Hard Drives with Mac Disk Utility? 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. 5 Click on "Run". 6 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.

How to tell if a disk is OK?

Click on the "First Aid" button. Click on "Run". 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.

Is Yosemite compatible with Mac?

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.

Is it safe to back up data on a Mac?

Even though these days a lot of people back up data on the cloud or Mac hard drives, but it is reported that these backups aren't safe and are prone to hacking and damage.

Can Wondershare Recoverit be used on Mac?

If you have already lost your files and would like to regain it, Wondershare Recoverit for Mac can recover files in 1000+ formats from recycle bin, hard drive, memory card, flash drive, digital camera, and camcorders.

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