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- #FORCE FORMAT DRIVE MAC FOR MAC#
- #FORCE FORMAT DRIVE MAC MAC OS X#
- #FORCE FORMAT DRIVE MAC INSTALL#
- #FORCE FORMAT DRIVE MAC VERIFICATION#
If the OS X is denying you to format, erase and repair the Mac hard drive or a volume due to the Couldn’t Unmount Disk’ Error then use Stellar Partition Manager to format the hard drive with Mac OS X Extended Journaled file system. Fixing with Stellar Partition Manager Software There are three means of resolution of the problem. The one and only requirement are that Disk Utility must reside on the drive. The version of the OS X does not matter, by at least must be 10.7, 10.8 and 10.9.
![force format drive mac force format drive mac](https://www.easeus.com/images/en/screenshot/partition-manager/format-fat32-to-ntfs.png)
Disk Utility can be run from the external drive. Using an external drive or OS X Recovery for the starting up of the Mac from another bootable drive. There are many solutions when the user faces these problems. If the internal drive is causing the issue because the OS X Recovery exists as a partition on the physical disk, unable to modify or unmount the internal drive, then the preference must be given to a network drive or an external drive. The reason for this error is the modification of the boot drive, or it is being used by some other process or application.
#FORCE FORMAT DRIVE MAC VERIFICATION#
The error occurs in such situations like formatting Mac as well as partitioning and verification and repairing of Mac disk. ‘ Disk Erase failed with the error: Couldn’t unmount disk.’ The error, which is thrown, is the:ĭisc erase failed couldn’t unmount disc.’ Even the Network deployment tools like Apple’s Netinstall service or the DeployStudio fails, on account of this error. They are unable to erase or partition the drive. The user often experiences a problem, while handling some of the Macs, when they are not allowed to repair permissions or directory in Disk Utility.
#FORCE FORMAT DRIVE MAC FOR MAC#
Take a free trial of Stellar Data Recovery for Mac to see how it can actually help you in various data loss situations. So, we recommend you to have a Mac data recovery software by your side to get back the lost data. Due to unmounting error, there could be chances of data loss. Type diskpart into the Command Prompt window and press Enter.In this blog, we will try resolving the ‘could not unmount the disk’ error and discuss the best possible manner of solutions for Mac users. To do this on Windows 8 or Windows 7, press the Windows key once, type cmd, and press Ctrl+Shift+Enter. Next, open a Command Prompt window as administrator. For example, in the screenshot below, the Mac-formatted drive is Disk 2. First, note the number of the disk in the disk management window. This process erases everything on the disk, including its files and all its partitions.
![force format drive mac force format drive mac](https://cdn.mos.cms.futurecdn.net/9wkwCuDEc8JTEzafbFGsR7.jpg)
To erase this partition, we’ll have to wipe the entire disk. This partition is marked as protected, so you can’t just right-click and delete it - the delete option will be disabled. The Mac drive may have an “EFI System Partition” on it. You can then right-click in the empty space and select New Simple Volume to create a partition and format it with the Windows NTFS or FAT32 file systems.
![force format drive mac force format drive mac](https://www.diskpart.com/screenshot/en/std/format-partition/format-raw-sd-card/format-sd-card.png)
If you’re lucky, you can just right-click each partition on the Mac drive and select Delete Volume to remove the partitions. Be sure you’ve identified the Mac drive - if you accidentally delete partitions from another drive, you could damage your Windows installation or lose your files. Locate the Mac drive in the list of disks. This tool allows you to manage the partitions on drives connected to your computer - internal ones or external ones connected via USB. Press Windows Key + R to open the Run dialog, type diskmgmt.msc into the box, and press Enter to open it. RELATED: Understanding Hard Drive Partitioning with Disk Managementįirst, open the Windows Disk Management tool. You’ll probably want to uninstall Java when you’re done.Įrase the Mac Partitions, Including the EFI System Partition
#FORCE FORMAT DRIVE MAC INSTALL#
HFSExplorer unfortunately requires you install Java to use it, but it’s the only free option here. If you only have Windows systems available, you can use HFSExplorer to copy files from the drive onto your Windows system drive or another drive. If you have a Mac lying around, you can plug the drive into a Mac and back up the files. Instead, we’ll just be wiping the drive and starting over from scratch. This process won’t actually convert the file system. First, back up the data on the Mac-formatted drive if you have anything important on it.