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Error Could Not Unmount Disk Time Machine

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Anyway, I was able to access and drag the back up files manually. Let us know a. asked 2 years ago viewed 19618 times active 10 months ago Upcoming Events It's the season to ask about recommendations - do it well, please. NOTE: Use of the ‘sudo' command may not be necessary for some of these actions, however, as long as you know the administrator account's password, starting any unix command with ‘sudo' check over here

Reply Sam November 19, 2015 Hi Vishal, To resize my Mac startup disk, I am searching for the Stellar Partition Manager Registration key but unable to find any suitable Even after I tried your final option, I got this message: Error: -69888: Couldn't unmount disk I've already recovered my files from the computer—all I want to do is wipe it Enter your admin password if prompted. The version of the OS X does not matter, by at least must be 10.7, 10.8 and 10.9. https://discussions.apple.com/thread/4071087?start=0&tstart=0

Disk Erase Failed With The Error Couldn't Unmount Disk

I also have 1TB Seagate external hard drive. Unplugged the drive Turned off Time Machine in Pref Rebooted the Mac Plugged the drive back in The Time Machine partition mounted share|improve this answer edited Oct 14 '14 at 14:32 I knew it was something to do with the drive still running, but couldn't quite work out how to stop it. His suggestion for others suffering from clingy back up drives: Parse together a terminal command similar to the one below (substituting name and other portions for whatever fits your system): Advertisement

With the help of bootable media you need to boot into Mac and resize Macintosh HDD so that it claims that unrecognized spaces. His OS X and iOS tips have been some of the most popular posts on the blog. Short of trying to delete, switching off time machine, and unplugging the drive and restarting, I'm not really all that sure what to do. Error 69888 Couldn't Unmount Disk Loading...

Thank you. Partition Failed With The Error Couldn't Unmount Disk For a single drive system this will probably be ‘disk0' : 2) Now enter the following where ‘x' is your disk identifier: sudo diskutil unmountDisk /dev/diskx 3) Press RETURN. First, decide if you're going to put other data, or backups for multiple Macs, on the drive. http://forums.macrumors.com/threads/time-machine-external-hard-drive-issues.1294299/ I know this conversation seems to be close, but thought I'd try to post here.

This should force unmount the entire physical disk and all its related volumes: 3) Attempt again to perform whichever task caused your ‘Couldn’t Unmount Disk' error. (For example to Erase/Partition the Force Unmount Mac If that doesn't work, try this (with the drive mounted and DU still running): Before you try to re-initialize, first select the drive in DU, and go up and hit the Free recovery apps aren't reliable and won't give you the desired recovery results. I've tried to unmount the entire disk as well as the individual partitions.

Partition Failed With The Error Couldn't Unmount Disk

Jul 1, 2012 4:37 AM Helpful (0) Reply options Link to this post Apple Footer This site contains user submitted content, comments and opinions and is for informational purposes only. try here Too many advisors The female equivalent of "don't break my balls" How can I tell whether a generator was just-started? Disk Erase Failed With The Error Couldn't Unmount Disk For starters, take a look at this ARTICLE to see if any of the 'bootable' suggestions there are of help, then post back your progress. Can't Unmount Disk Mac Reply John says: August 10, 2016 at 1:13 am You can force unmount a drive by running the following Terminal command: diskutil unmountDisk force /Volumes/VOLUMENAME Replace VOLUMENAME with the name of

there have been several instances where the drive has been unplugged without being ejected correctly)? check my blog Third party apps cannot deal with hard links, one consider them as a new file, another select any hard link as an original file. I would also advise you to install Stellar Partition Manager on your Yosemite. And when I want to eject it, I can only do it by "force ejecting". Cannot Unmount Disk Mac

Could you also let me know the file format to which your external drive was formatted before this error? You can use "sudo lost | grep dev/disk?" where "? If I hit the eject button in Finder, the partition name greys out and is not clickable but does not go away. this content Reply Jimmy Kiddo says: August 13, 2016 at 10:05 am Man, you are a genius,,,worked like a charm Reply Brock says: September 15, 2016 at 7:54 am This worked for me

Click OK to proceed. 2) The Image file created by the software needs t be burn on DVD. Volume Erase Failed Couldn't Open Disk The difference between 'ping' and 'wget' in relation to hostname resolution Is there a non-medical name for the curve where index finger and thumb meet? iMac 27 inch , iMac 21 inch, Macbook 15 inch, Macbook 13 inch.

I've tried to unmount through disk utility as well as through Terminal.

Sometimes, this works. 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 Geekanoids 166,323 views 9:53 Mount and Unmount Disks in OSX Terminal - Duration: 2:29. Couldn't Unmount Disk Operation Failed in any way.

ends in 3 days Related 4Repairing Time Machine volume taking forever0Move of time machine backup: unable to “restore”0Unable to create new partition with Disk Utility on external drive1Time Machine Backup accidentally I have a 2010 iMac with a 1.5 TB Seagate external hard drive I use for Time Machine as well as other backups. Many-2 thanks for such a valuable blog post. http://strobelfilms.com/unmount-disk/could-not-unmount-disk-mac-time-machine.html Working...

Reply Alysia March 15, 2016 I'm trying to format a new external hard drive and it is not working. Sign in to add this to Watch Later Add to Loading playlists... MacBook Pro, Mac OS X (10.6.8) Posted on Jul 1, 2012 4:28 AM Reply I have this question too Q: Time Machine "could not Unmount Disk" Hide Question All replies Helpful