![]() ![]() Unlike Time Machine that automatically backs up your Macintosh HD data at the scheduled time, you need to back up the data stored on your external drive manually. Restore Data from the Backup of External Drive When the repair is successful, access the stored data present on the external drive. Here replace Drive-ID with the external storage drive name. In the command prompt, type diskutil repairVolume /Volumes/Drive-ID/ and hit Return. Launch Terminal from Applications > Utilities > Terminal.ī. When the repair process wasn’t successful using Disk Utility, use Terminal to repair the external storage drive. Repair Corrupt External Drive Using Terminal ![]() In case the repair fails, proceed with the next troubleshooting method. When the repair succeeds, access the drive and its stored data. Click the First Aid tab and click Run to start the repair process. In the sidebar of Disk Utility, select the corrupt external drive.Ĭ. Launch Disk Utility from Applications > Utilities > Disk Utility.ī. To repair the corrupt external drive using Disk Utility, perform the following steps:Ī. The First Aid of Disk Utility is quite helpful in repairing storage drive corruption and fixing logical disk errors. Repair Corrupt External Drive Using Disk Utility Read on to learn the step-by-step procedure to repair and recover data from a corrupt storage drive on macOS Big Sur 11 and earlier. If not, you’ll have to recover data from the corrupt drive. If the drive is repairable, you can easily repair it and access your data. You are trying to preserve the data on the disk, so you don’t want to use it to boot your computer.External storage drive on Mac can turn corrupt making the content stored on it inaccessible. Allow the scanning process to complete and restore the recoverable data that the application has found.Īnother option is to create a bootable disk and boot your Mac from it so you bypasses the SSD disk.If you cannot create the byte-level backup, scan the affected Mac using Disk Drill from the host computer.Use Disk Drill to create a byte-level backup of the SSD drive to be used to recover its data.Restart the affected Mac in Target Disk Mode and connect it to the host computer.Use another Mac to download and install Disk Drill.Turn off the Mac as soon as you realize you have lost some data.If TRIM is enabled on your MacBook Air, MacBook Pro or iMac, recovery is not possible without a backup of your data. Here is the procedure to use to recover deleted data from an SSD drive that has TRIM disabled. Solid-state drives (SSDs) provide higher access speeds and are using in many newer Apple Macintosh computers. This will ensure the final failure will not occur while Deep Scanning, more data stays safe and potentially recoverable. Once the backup disk image is created, you may start your hard drive recovery from the image instead of the real hardware. Yes, you get it right, the sectors where your lost data can still reside. The unique aspect of the byte-to-byte backups is the fact they actually store the contents of data sectors that were marked as empty, not occupied by data. Just proceed with "Backup / Backup into DMG-image". However, before that happens, if you suspect an improper disk behavior, ticking sounds, slow read/write operations, we recommend using Disk Drill's supplemental free tool that helps anyone create a byte-to-byte disk image in a DMG (or ISO) format. If the target disk got bad sectors, or electronic controller fails in some operations, it's not much that can be done by Disk Drill with data stored in affected disk areas. As mentioned before, physical damage to your storage device is no help with software-based data recovery. ![]()
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