Boris Starosta September 15, 2016 at 9:21 am I had a HDD go "bad" after some difficulties moving back and forth between two different kinds of dock. You did find some interesting facts, however. That is the element you should have erased, to any of several levels of security available in Disk Utility. Encryption was going on fine, when suddenly on 3rd day, my MCB (mid 2010) started ejecting My Book after few minutes. my review here
There really are some problems for which Terminal is the only solution. Went back to disk utilities, erased it (this time it did not complain at all), re-installed OS. That conflicts with your verbal description. If you do, Windows may direct you to download the drivers you need, which means more rooting around on Windows web sites. http://osxdaily.com/2013/06/14/resolve-a-couldnt-unmount-disk-error-in-disk-utility/
It is the Utilities Menu for the Installer Disk Verification of the Disk is done with the “First Aid.” The repair is done The original task which was halted due to Open the command line and type the following: diskutil list (press enter to execute the command) You will see something like: 0: GUID_partition_scheme *8.0 GB disk1 Find your disk by size MaX April 10, 2014 at 3:08 pm Yes, I have contacted LaCie, and they say that they do have the tool to reload the drive’s firmware, but it is only for Firstly you need to create a boot media using Stellar Partition Manager software.
So far, it has not failed, but searching the net, I found hundreds of complaints about my drive and yours. Operation failed… Reply Alan Siu says: August 17, 2016 at 12:59 pm Based on the output you posted, your disk might have unmounted just fine. Usually on the Mac this would be with a GUID partition map. Disk Erase Failed With The Error Couldn't Open Device This is what I get when I try to partition it with Disk Utility: Partition failed Partition failed with the error: Couldn’t unmount disk.
Then go to the Erase Tab and select the new expanded partition then click erase.NOTE:You must be booting the computer from the Recovery HD partition, a USB stick with the Recovery what do I do? If you can access the drive on Windows, go ahead and format it Fat 32. No Spotlight Index in all cases.
Sign in to add this to Watch Later Add to Loading playlists... Partition Failed Couldn't Unmount Disk External Hard Drive I have found it: LaCie XtremKey 32 GB VID: 059f PID: 106c But how to flash it? Even after I tried your final option, I got this message: >Error: -69888: Couldn’t unmount disk Same here. Not everyone will have your skill at sniffing out items on non-english web sites.
I advise you download & install Stellar Volume Repair tool and rebuild the drive corrupt directory structure.
B. Couldn't Unmount Disk External Hard Drive Topher Kessler Post authorDecember 22, 2014 at 7:59 am Yes it will. Volume Erase Failed Couldn't Open Disk Comments(34) Mabaker May 13, 2015 My Disk Utility is unable to resize Macintosh HD.
Best regards Birdeen March 5, 2015 at 11:28 am Thank you! You can then run Disk Utility from there. Too many advisors What does this symbol of a car balancing on two wheels mean? get redirected here Reply Leave a Reply Cancel reply Your email address will not be published.
Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Force Unmount Mac Alysha S. 9th August 2015 at 7:12 pm · Reply I've got mine booted into a Yosemite installation USB. I had pretty much given up when I came across your post.
Output the first position in your program for each input character What is the difference between l() and url()? I have done as you said. If I run Disk Utility repair for the drive, I get: Alert Some information was unavailable during an internal lookup. Usb Boot Drive Mac Thank you!
Enter your admin password if prompted. After running the services and cleaning the surplus logs and rebooting, all the icons returned, the dock was fine, and so far, so good. Can you please give me your advice. useful reference Any idea how to repair or format it? Thanks.
Nuvi November 18, 2014 at 5:10 pm Thanks this worked perfectly! When this happens, wait a few moments as mentioned in the article, and then close the Terminal, confirming to cancel running processes. Sign in Transcript Statistics 78,081 views 146 Like this video? Any idea what else I can do?
please don't leave me danglin. John D. I get this kind of error on occasion and restarting will render the drive usable again. Name (required) Mail (will not be published) (required) Website « Grab the iOS 7 Default Wallpapers for iPhone & iPod touch Evolution of the iPhone & iOS Home Screen »
Jefferson Le Blanc April 10, 2014 at 12:42 pm I checked out those drives on Amazon - I can see why you‘re trying to restore it. This site is not affiliated with or endorsed by Apple Inc. After searching for a very long time through forums of people suggesting basic things or trying to make others feel ignorant this solution worked! EveryAppleAd 2,456,318 views 15:32 How To Factory Restore Mac | Macbook Pro Air iMac & Mini to Factory Settings | Reset | Fresh Install - Duration: 3:45.
Regards Timothy Reply Vishal May 21, 2015 Hey Timothy, Thanks for writing to us. Handling the terminal scared me but your instructions were great and my disk is formatted. Possibly so. Tools : OS Version : Microsoft Windows XP Professional Service Pack 3 Update Status : The current version is the latest version!
No joy. For this example, let's say it's /dev/disk2.