There are a few steps you can take, but all are destructive to the data on the device.Įrase Disk. Using an Admin account will usually get around this. Sometimes the drive may have had user privileges assigned to them. Make sure you have the correct privileges. On USB flash drives, there may be a physical switch or it may be write protected from via a write protect bit, or the chip may be modified from the factory.
If it's write protected on every SD, you may have an issue with the logic board itself. On SD cards, there is a physical "write lock" switch that may become enabled. If you're having an issue where you can't access the device there are a couple things to check first: This is an attempt to write a canonical QA for this issue, as per the Meta post: Where is the list of canonical questions stored for Ask Different? This answer is based off a number of pre-existing answers expect it to be periodically edited with the goal of becoming a comprehensive information resource. ➜ ~ diskutil resetUserPermissions /dev/disk2 `id -u`Įrror encountered attempting to reset permissions for user 501 home directory on disk2: Permissions are not enabled on the disk (-69861) My USB drive appears as read only when i do CMD+I, I tried repairing the permissions but that failed too.
➜ ~ diskutil eraseDisk free EMPTY /dev/disk2 ➜ ~ diskutil eraseDisk FAT32 MYSD MBRFormat /dev/disk2 ➜ ~ diskutil eraseVolume exFAT MyName /dev/disk2s2Įrror: -69760: Unable to write to the last block of the device I've tried a bunch of commands that I've found here and there in the terminal, but none of them worked, like: ➜ ~ diskutil eraseVolume exFAT MyName /dev/disk2 dev/disk2 (external, physical):Ģ: Microsoft Basic Data Lexar 63.9 GB disk2s2
Provide Data Protection for Mac users to prevent data deletion.ĭownload and install the software to recover your files from the erased hard drive immediately.Disk Utility (macOS Catalina 10.15.2) fails to erase my USB drive (64GB key, currently formatted in exFAT).Enables users to preview all recoverable files.Supports users to get back Mac media files like photos, videos, and audios.Quick scan to find lost or deleted files on Mac.Below are some other features of EaseUS Recovery Wizard: It's a popular choice for users who want to recover deleted files after emptying Trash or recover formatted files from internal/external hard drives. With this software, you can recover the erased files on your hard drive with simple clicks. Here we recommend you try EaseUS Data Recovery Wizard for Mac.
How to Recover Disk Utility Erased Files on MacĪs mentioned above, you can retrieve your erased files with the help of data recovery software.
If you have accidentally erased a hard drive using Disk Utility on your Mac and the files lost are of great importance to you, follow the next part to recover your files erased by Disk Utility right now.
It functions similarly to "Format" and the files erased can be recovered with Mac files recovery software tools as long as the lost data is not overwritten by new content. However, the "Erase" function has a different meaning on Mac. Generally, the operation "Erase" will completely wipe out the data and it is unrecoverable. What Happens If I Erase My Hard Drive on Mac? Thus, the answer to the question "Will Disk Utility erase files" is definitely "Yes". Restore volumes from Apple Software Restore imagesĪs you can see from the list above, Disk Utility allows you to erase hard drives.Verify and repair a disk (Learn what to do when Disk Utility can't repair a disk here).Mount, unmount, and eject hard drives, removable storage media, and disk volume images.Erase, format, partition, and clone disks.Briefly speaking, Disk Utility is one of the built-in utilities used to perform hard drive or hard drive partition-related tasks. "Will Disk Utility erase files" is one of the most frequently asked questions of Mac users. PAGE CONTENT: Will Disk Utility Erase Files What Happens If I Erase My Hard Drive on Mac How to Recover Disk Utility Erased Files on Mac Erased OS in Disk Utility and Can't Erase the HD Will Disk Utility Erase Files?