restcanna.blogg.se - Time machine couldn t unmount disk

#Time machine couldn t unmount disk how to#
#Time machine couldn t unmount disk mac os#
#Time machine couldn t unmount disk archive#
#Time machine couldn t unmount disk pro#
#Time machine couldn t unmount disk code#

It allows your Mac to contact Apple's Internet Recovery server for the disk image to boot your Mac into recovery mode.Īlthough the extra process for downloading the disk image (the latest macOS compatible with your Mac) takes time, many users managed to erase the Mac hard drive when it failed in Recovery Mode. Internet Recovery Mode is similar to the standard Recovery mode, only that it doesn't rely on the recovery partition to access Disk Utility. Solution 2: Format the drive in Internet Recovery Mode If you can't erase Macintosh HD, follow solution 2 to format it in Internet Recovery Mode. Once First Aid completes, try to format the drive again.

Click First Aid at the top, then hit Run.ĭepending on your drive size, amount of data on it, the potential number of errors, the time First Aid takes for a diagnosis varies.

Launch Disk Utility and select your Mac hard drive from the left sidebar.

Problem solved? Share your joy with others. Nevertheless, If Disk Utility still can't erase the Mac hard drive, please repair it with First Aid. But, if you did choose the volume and still failed, you can click View > Show All Devices to display all the drives, then erase the drive itself to see if it succeeds. We recommend you erase the volume but not the entire disk to avoid the "Secure Disk Erase Failed - Couldn't Unmount Disk" error. Then keep the Scheme as GUID Partition Map.

#Time machine couldn t unmount disk mac os#

Name the hard drive (like Macintosh HD), choose APFS for macOS 10.13 or later Mac OS Extended for macOS 10.12 or earlier.

Select Macintosh HD, then click the Erase button.

Ignore this step if your Mac is running macOS Mojave or earlier.

Select Macintosh HD - Data, click the (-) sign, then tap on Delete to confirm the deletion.

On the Utilities window, select Disk Utility.

Select a language, then your account, and enter the password for it.

On an M1 Mac: Turn off your Mac, and press the power button until you see the Options Menu. On an Intel-based Mac: Restart your Mac, then hold Command + R keys until the Apple logo shows up. That's because you can't erase the drive you are currently running from, and you need to boot into Mac Recovery mode to format the Mac startup disk. If you are trying to format the Mac hard drive or its volumes - Macintosh HD and Macintosh HD - Data, you will inevitably see the Erase button grayed out in Disk Utility.

#Time machine couldn t unmount disk how to#

How to fix the Erase button grayed out in Mac Disk Utility?

How to fix the 'Erase process has failed' error on Mac? What to do when Disk Utility can't erase Macintosh HD? Here, we will discuss solutions to solve these Disk Utility erase errors so you can format the disk. You may fail to erase APFS volume on your Mac hard drive or an external hard drive when the erase button is grayed out on Mac Disk Utility or when you receive the "Erase process has failed" error message. When I list the disks on terminal, it shows my ssd.What to do when Disk Utility won't let you erase sd card s, USB drives, and other hard drives on Mac? When I try first aid on the volume named 'External SSD'' it says: "Volume could not be unmounted" When I try first aid on the whole disk, it says: "Problems were found with the partition map which might prevent booting" When I try to eject it, a warning shows up saying that it is in use and asks me whether I want to force eject. When I try to erase the whole disk, it shows: "The volume on disk4 couldn't be unmounted because it is in use by process 0 (kernel).

#Time machine couldn t unmount disk code#

When I try to move an app to the ssd, it says: "The operation can't be completed because an unexpected error occurred (error code -50)"

#Time machine couldn t unmount disk archive#

Try moving the archive to another volume" When I try to write, read data or expand zip files inside the ssd, it shows the error: "Error identifying a writable temporary folder. How can I fix these errors?ĮRRORS: (Sorry, I could not upload the screenshots due to storage limit) It worked well once but then, there were problems while reading and writing.

I erased from a Windows PC then initialized on the Mac and tried again.

Then, I partitioned it into 3 parts (2 of them Mac OS extended, 1 ExFat). First I partitioned into two Mac OS extended parts. I tried also other formatting types and there were no problems.

#Time machine couldn t unmount disk pro#

I recently bought a MacBook Pro M1 and a SanDisk external ssd.