An SSD system disk and a 1TB SATA drive. Please reload CAPTCHA. six × two = Notify me of followup comments via e-mail. Click on the Options button, set the partition scheme to GUID then click on the OK button. acguevara 8.813 weergaven 2:22 Terminal: Mount & UnMount Disc Images - Duur: 4:13. navigate here
In that case, you'll need to boot from a separate USB drive to fix the error. Log in om deze video toe te voegen aan een afspeellijst. Back up as many of your files as possible, reformat the disk, and restore your backed-up files' I unsure of my disk right now and need some solution asap. Reply Dr1ver105 says: September 4, 2016 at 11:47 am I knew there had to be an "easy" way to do this, and this was it.
Open the disk untility and eras your disk normally - the error will be gone. Reply Sheryl Brown March 7, 2016 I must Thank You for resolving mu issues. How old is Maz Kanata? To create your own bootable disk, refer to our blog ‘Creating a Mavericks bootable install disk'.
Would take some effort, but if the data is valuable enough and not backed up, it may be worth trying. Reboot the Mac holding down the "Option" key and choose the Recovery partition Select "Disk Utility" from the boot menu Go to "First Aid" to verify and repair the disk, or Level 10 (271,467 points) Desktops Jan 21, 2014 3:30 PM in response to Dr.Mac. Unable To Erase Hard Drive In Disk Utility The symptoms (unable to unmount) and the solution (force unmount) are probably the same though. –klanomath Mar 25 '15 at 17:02 no most likely an early fusion drive –oemb1905
This should be sufficient to allow the system to write to the drive in order to securely erase. Reply Vishal December 2, 2015 Hello Iggy, Thanks for writing to us. from there i booted the iMac on its original OS X lion and from there downloaded the public beta of mac os sierra, which i was supposed to in the first
Angelo Maralit 211.933 weergaven 4:13 How To Format an External Hard Drive for Mac - Duur: 3:41.
This is a good example of why it's very valuable to have a bootable USB thumb drive set up with whatever version of OS X is running on your Macs, because Disk Utility Erase El Capitan acguevara 8.813 weergaven 2:22 How to Make a Bootable Mac OS X Yosemite 10.10 USB Thumb Drive - Duur: 7:56. Related Posts 0 7 New Year Resolutions – Lets Not Lose Our Data Anymore Before beginning the New • January 2, 2015 14 Recover Deleted Pictures in Photos App for Mac It is erasing right now.
Please let me know how should I proceed. Thank you. Disk Utility Erase Hard Drive Kies je taal. Disk Utility Won't Erase Hard Drive asked 2 years ago viewed 89938 times active 9 days ago Linked 3 Can't erase unmountable external HD Related 0Partition issues after deleting Core Storage Logical Volume Group.
share|improve this answer edited Jul 29 '14 at 12:39 answered Oct 18 '13 at 16:28 grgarside 74.2k14113167 Thanks! check over here When I go into Disk Utilities > Erase tab > change Volume Format to Mac OSX Extended > click erase, it keeps saying disk "Erase failed with the error: File system So the first thing to do is to startup the Mac from another bootable drive such as an external drive or OS X Recovery. Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). Cannot Erase Hard Drive In Disk Utility
Reply Vishal May 28, 2015 We recommend you try recovering your deleted files with a professional software and not with any free recovery apps. A reboot sorts this out. JT Reviews and Demos 34.807 weergaven 4:55 how to make a recovery partition on a mac - Duur: 5:06. http://darrenmanning.com/disk-utility/disk-utility-disk-erase-failed-error-could-not-unmount-disk.html Reply Eugene May 19, 2015 Why the software is not showing my Boot Camp partition?
Writing referee report: found major error, now what? Disk Utility Erase Greyed Out iMac 27 inch , iMac 21 inch, Macbook 15 inch, Macbook 13 inch. Use Disk Utility<
Thanks a lot Kelvin 30th August 2015 at 3:21 am · Reply I got same error:-69888. Why so? Spent hours trying other solutions, but this worked straight away! –user128386 May 18 '15 at 23:30 add a comment| up vote 0 down vote Disable Spotlight for that Hard Drive (System Disk Utility Erase Free Space Term for "professional" who doesn't make their living from that kind of work As a first stab Can 'it' be used to refer to a person?
Running Mavericks All replies Helpful answers Page 1 of 4 last Next by Kappy, Kappy Jan 21, 2014 1:48 PM in response to studio_ Level 10 (271,467 points) Desktops Jan 21, Following this, attempt to Erase/Partition the drive again in Disk Utility. This will not work if the error was triggered by attempting to modify the boot disk through partitions or formatting, and you will need to use the method above instead. weblink the external HD I am trying to erase is for my Time Machine BU.
Do you know of a terminal command to wipe free space? His OS X tips have been some of the most popular posts on the blog. The following steps can do the fixing: The USB boot drive is attached to the Mac, and the system is rebooted The OPTION key is held during the booting and then Log in om je mening te geven.
Let me know if you have any further issues. It helped some users, so give it a go. Taal: Nederlands Contentlocatie: Nederland Beperkte modus: Uit Geschiedenis Help Laden... Jan 21, 2014 2:26 PM in response to studio_ Level 3 (636 points) Jan 21, 2014 2:26 PM in response to studio_ To list all the drives and their accompanying partitions
Helpful (0) Reply options Link to this post by Kappy, Kappy Jan 21, 2014 3:04 PM in response to studio_ Level 10 (271,467 points) Desktops Jan 21, 2014 3:04 PM in Fixing Disk Utility Errors via Recovery Partition If the Unable to Unmount Error is triggered by first aid or formatting a non-boot partition, you may be able to fix the error However, how could we be iin contact? more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed
Log in om je mening te geven. I also have 1TB Seagate external hard drive. The disk does not show up in Finder but I can see it in Disk Utility. Any help is greatly appreciated. –Ab'initio Jun 9 at 10:42 @Ab'initio This should be a separate question rather than a comment.