![]() ![]() Hi, I have the same problem, and I did the things suggested above but it didn’t work. SHOW DETAILS “mounting disc unable to write to the last block of the device operation failed” “erase process has failed.Click done to continue’ When i am trying to erase ,i am getting an error It is formatted as Mac OS Extended (Journaled). ![]() I only use the WD drive for Time Machine. I am getting the same issue ,Can you please advise me. Click Repair Disk, but when I do click repair I get Error: Unable to unmount volume for repair I am unable to copy any documents to the WD drive, as I get a message telling me that they are in use. After that in disk utility it shouldn’t give any error, but if it did, then you need to clean the whole disk. Go back to the macOS Utilities screen and select Reinstall macOS. Name, Scheme, Format, etc.) to reformat the disk and click Done when finished. As a Mac NTFS reader, it allows you to view and copy files from an NTFS formatted external drive on Mac.It is also an NTFS writer that enables NTFS write support on Mac. Select the unmountable Macintosh HD from the sidebar. It works as a Mac NTFS mounter to mount and unmount your Windows NTFS drives in Macs desktop, Finder, and Disk Utility. As a first line step be sure to close all open files and programs. If you don’t have any data inside that partition and delete it then create the new one and choose the format exFat. A Microsoft NTFS for Mac is a small menu bar utility. Couldnt unmount disk errors usually appear in Disk Utility when the boot drive is busy. Create new one and choose the format exFat If you don’t have any data inside that partition and delete it. Share your snapshot link on the site down below Ps I had already changed from NTFS to exFAT Seem like I couldnt post anylink and I was block how could I post screenshot?Įrase process has failed click donr to continue I tried many options, but still have problem. I’m sure your problem will be solved this time. This is our latest guide fixes to this issue. Then, when booting, hold down the Option key to select Recovery Partition. They just can’t boot ok? Now help her! Don’t ask her more questions. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.I can’t boot back to the windows to backup my files. lsof grep then drag the drive to the terminal window to complete the path to the drives mount point, and press enter. If you have any idea to get the HDD working or even safe the files, I would be really grateful.Īlmost forgot about this from Disk Utility:ĭisk Utility can’t repair this disk. This was the try: $ sudo diskutil eraseDisk JHFS+ DISK_VOLUME disk1īut it didn't work as well. You cannot view or access you files from hard drive volume, as volumes on Mac HDD becomes. Than for each disk: $sudo diskutil unmount force disk1snīecause I wasn't able to do anything with my external HDD I made a desperate attempt to erase everything on it, including unbackuped files, cause this used to be the backup plan. 4 Data Recovery Case Study: Seized Hard Disk Spindle Motor. You can force unmount a drive by running the following Terminal command: diskutil unmountDisk force /Volumes/VOLUMENAME Replace VOLUMENAME with the name of a volume on the disk you are trying to. For example, ‘disk0s1’ Type: sudo diskutil unmountDisk. Note the identifier for the disk you want to unmount. Press Command + R, type diskmgmt.msc into the box and hit Enter. How to unmount a disk in Terminal Go to Applications > Utilities and launch Terminal, or choose it from the Utilities menu in macOS Utilities in Recovery. Gave this: Forced unmount of disk1 failed: at least one volume could not be unmounted Heres how to erase the Mac-compatible drive on Windows: Connect the Mac drive to the Windows computer. If I open it in disk util I sometimes see an actual name of a partition, but most likely it's not the real name.Ģ: Apple_HFS Macintosh HD 140.0 GB disk0s2ģ: Apple_Boot Recovery HD 650.0 MB disk0s3Ĥ: Microsoft Basic Data BOOTCAMP 110.1 GB disk0s4Īnd then to unmount this: $sudo diskutil unmountDisk force disk1 My 1TB LaCie Rugged THB decided it was a good idea to stop working all of a sudden. ![]()
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