Here's how to fix it. Step 1: Go to Applications > Terminal.
fsck, which stands for “File System Consistency Check,” is a command-line tool that reviews and repairs the underlying structure of a hard drive. Solution 2: Repair the external hard drive with Terminal. Use the disk utility tool built in. Once launched, type or paste in the following command. devices and restore data with ease now. Hope that helps. In that click repair disk and repair disk permissions. My external drive is a Samsung M2 Portable 3 Media, 500GB. Open the app. I am using the newest MacBook Air, Mac OS X 10.7.3. Step 2: Select the external hard drive and erase it with Disk Utility. September 7, 2017 by Alexander Fox 6 Comments. It also shows you how to repair external hard drive. Fortunately, you can still try to repair the corrupted external hard drive with Terminal. Before proceeding with any of the Mac hard drive repair session, it is requested to backup all Mac data through Time Machine application. Verify and Repair Disk Permissions via Terminal (Mac OS X) Verify Permissions. diskutil repairPermissions / Verify and Repair Volume via Terminal (Mac OS X) Launch Terminal from your Dock, Utilities folder, or via an app launcher like Alfred. External hard drive corrupted so you cannot access all saved data? Simply plug your external hard drive slowly or quickly into the USB port and see if you can access this drive. If your issue has to do with wanting to know how to open a flash drive on Mac that’s displaying but not allowing you access to files, First Aid might be able to help. If you are able to fix the hard drive or SSD in your Mac (or an external drive) using Disk Utility you will hopefully be able to recover your files. Step 1: Download and install iBoysoft Mac Data Recovery on Mac.
Fusion Drive, a storage option on some iMac and Mac mini computers , combines a hard drive and flash storage in a single volume for improved performance and storage capacity. Further, try Mac external hard drive recovery software as a last resort.
Repair Hard Disks with fsck on macOS. Disk Utility can fix certain disk problems—for example, multiple apps quit unexpectedly, a file is corrupted, an external device doesn’t work properly, or your computer won’t start up. Repair Mac Hard Drive using Disk Utility 2: Repair Mac storage drive by using Single User Mode 3: Retrieve Mac data by using Target Disk Mode 4: Recover data by using a bootable Mac data recovery software 5: Transform the failed Mac storage drive into an external one 6: Replace failed drive with SSD & restore data with Time Machine Steps to repair Mac external hard drive by using Terminal are as follows: Go to Finder > Applications > Utilities > Terminal.