disk utility mac restore external hard drive

Just select the 'Use as Backup Disk' feature to proceed.Ģ. As soon as it gets detected it, Time Machine will automatically display the following prompt. Firstly, connect your external drive to your Mac using a working cable. Besides that, you can also take the assistance of a Time Machine for a smoother process.ġ. To do this, you can use an external hard drive and simply copy-and-paste your files on it. Therefore, if you don't want to suffer from an unwanted loss of your files, then consider taking a dedicated backup. Mostly, the error depicts that the disk is not stable and can get corrupt anytime. When we get the Disk Utility can't repair this disk prompt, it is recommended to take a backup of our data first. Here's a stepwise solution to fix Disk Utility first aid failed issue like a pro. In the end, you can restore the backup data and start using your Mac the usual way. Once it is done, you can reformat the disk or fix the root issue behind it. Firstly, you need to back up the existing data on the disk as it might stop functioning anytime. Ideally, it doesn't take a lot of effort to fix the Disk Utility can't repair disk issue. Steps to Fix the 'Disk Utility Can't Repair This Disk' Error The disk might have a bad sector or could be corrupted by a malware.The data in the disk could be corrupted.The disk could be removed while performing the first air operation.You might be running an outdated version of macOS.Chances are that your hard drive could be damaged beyond the scope of repair.The firmware could be corrupted, leading to the Disk Utility issue.Ideally, it can happen due to the following reasons: There are times when the Disk Utility first aid feature is failed. It can be used to fix various kinds of issues related to a hard drive without undergoing any data loss. The 'First Aid' option is one of the most widely used features of Disk Utility.

Ideally, Disk Utility can help you create or merge partitions, erase a hard drive, unmount it, and even repair it. What Is Disk Utility?ĭisk Utility is an inbuilt utility application in Mac that helps us manage its internal or external hard drive. Why Disk Utility Fails to Repair a Disk?īefore we get into the details and learn ways to fix Disk Utility that can't repair the disk, let's quickly know what Disk Utility is all about and the common reasons for this error.

Part 4: Tips for Using Disk Utility and Mac Hard Drive.

Part 3: How to Recover Data After Mac Disk Repair?.

Part 2: Steps to Fix the 'Disk Utility Can't Repair This Disk' Error.Part 1: Why Disk Utility Fails to Repair a Disk?.

Disk utility mac restore external hard drive