As the following pop-up would be launched, go to its Security Options. Now, select the external device from the sidebar and click on the "Erase" button. Firstly, launch the Disk Utility application on your Mac and make sure the external device is connected to it. To adjust its security level and fix the erase process has failed on Mac, follow these steps: Ideally, if the security level for the USB drive or the external hard disk is too high, then the Disk Utility might not be able to successfully format it. If you are getting the Disk Utility to erase the process has failed error while formatting an external device, then you should follow this drill. Method 4: Adjust the Security Levels for Formatting an External Device In this way, you can be sure whether the problem is with the entire disk or selected volumes. Similarly, you can try to erase the entire disk as well to further diagnose the problem. Now, just select a volume from the sidebar (instead of the entire disk) and click on the "Erase" button on the toolbar to format it. From the dropdown menu, you can choose to view all volumes or external devices. Once the Disk Utility application is launched, go to the top-left corner of the interface. Firstly, go to your Mac's Finder > Applications > Utility and launch the Disk Utility application on your system. In this way, you can check whether the issue is with a selected volume or not. Therefore, you can consider formatting selected volumes of the disk instead. Sometimes, users get the erase process has failed error on Mac while formatting the entire disk.
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Alternatively, you can also click on the Apple logo from the top, go to System Preferences > Software Update and check for updates from here. You can look for the latest update for macOS from the App Store. Thankfully, it can easily be fixed by updating your Mac to its latest supported firmware. After that, just wait for the commands to process as your selected disk would be formatted in the supported file system.Īs stated above, if your Mac is running on an outdated firmware version, then it can encounter the Disk Utility erase process that has failed the problem. For instance, to format the disk2 in the HFS+ format, you can just enter the command "diskutil eraseDisk HFS+ DISK disk2" and press the return key. The entire format of the diskutil command is diskutil erase disk. Great! Once you have noted the identifier, use the "erase disk" command to erase the entire disk or the "ease volume" command to just erase a volume. From here, please note the identifier of the disk you wish to format (like disk2 or disk1).
This will display detailed information regarding various disks and volumes in your Mac. Once the Terminal application is opened, just type the command "diskutil list" and press return. To start with, go to Finder and navigate to Applications > Utility to launch the Terminal app as an administrator. It is a cleaner approach to erase a disk and would help you meet your requirements easily. If there is a problem with the Disk Utility application on your Mac, then you can try to do the same via Terminal. Here are some suggestions that you can implement to fix the Disk Utility erase process has failed error. Since there could be various reasons for getting the erase process has failed error on Mac, you might look for different ways to fix it. Part 2: Common Fixes to Solve "Erase Process Has Failed" on Mac Therefore, if want to troubleshoot a problem or would like to format the disk, then you need to find ways to overcome it. As a result, we are not able to erase the Mac drive (or an external device) using Disk Utility. Once we get the "Error Process has Failed" prompt on Mac, the Disk Utility halts the formatting process in between.
Part 1: Why the Erase Process Fails on Mac? Part 4: Tips for Erasing a Disk Without Losing Data.Part 3: A Complete Process to Erase Hard Drive on Mac.Part 2: Common Fixes to Solve "Erase Process Has Failed" on Mac.Part 1: Why the Erase Process Fails on Mac?.