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 Cannot allocate memory". The fist step has worked perfectly. Still not playing ball? Check This Out
Reply chris says: December 1, 2016 at 3:14 pm I've done this procedure several times, it says it was successful: "Forced unmount of all volumes on disk2 was successful" but it's What does the author want to convey by ending his letter with »Tschüssikowsky«? Attempt again to perform whichever task caused your ‘Couldn’t Unmount Disk' error. (For example to Erase/Partition the disk). Reply Alan Siu says: December 11, 2015 at 12:11 pm In the terminal, there's no visual feedback for passwords.
I am running iMac 2011 OS X 10.9. In my example below, the disk name is ‘Server'. Thanks so much Kappy and Dr.
Im just happy i didn't have any files on the computers, so nothing was lost, just my time it took to fix them. adddictedtomacintosh 12.283 görüntüleme 1:45 How to fix a stuck mac computer if stuck at the apple logo. - Süre: 7:30. Oturum aç 147 263 Bu videoyu beğenmediniz mi? Erase Process Has Failed. Press Done To Continue Reply With Quote Quick Navigation Apple Notebooks Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Community Information Center News and Community Announcements Community Polls Sponsored
Normally, any ‘Couldn’t Unmount Disk' error is attributed to circumstances where the boot drive is being modified or is being used by an application or process. Volume Erase Failed Couldn't Open Disk You can read the following blog post on HFS drive corruption. Düşüncelerinizi paylaşmak için oturum açın.
This linked article may be of some assistance.
This feature has been tested using OS X v10.9.2 which was the latest Mac OS release at the time of writing. Couldn't Unmount Disk External Hard Drive Video kiralandığında oy verilebilir. Reply Alan Siu says: December 5, 2016 at 11:22 am If it successfully unmounts the volumes, the volumes are unmounted and thus should not show up in Finder. Reply Scott says: February 12, 2016 at 1:43 pm Great tip.
Reply Ben says: September 17, 2016 at 2:50 pm Is there a way to work around needing a password? click site Jan 21, 2014 3:30 PM Helpful (11) Reply options Link to this post by studio_, studio_ Jan 21, 2014 3:31 PM in response to Kappy Level 1 (2 points) Jan 21, Volume Erase Failed With The Error Couldn't Unmount Disk Reply Tanya February 4, 2016 What is a USN boot drive? Disk Erase Failed With The Error Couldn't Open Device Let me know if you have any further issues.
Bit more drastic, but you can attempt to force a volume or the entire physical disk to unmount: FOR A VOLUME: 1) Using the Terminal application again, booting from OS X http://gsbook.org/unmount-disk/error-could-not-unmount-disk-disk-utility.php In my example below, the disk name is ‘Server'. But, the important point to remember is that the installer or the recovery drive must reside in the drive, separate from the primary boot disk with the installed OS on it. In a moment of "what the heck, try this," while in Disk Recovery mode, I ran Fix Disk Permissions, then, voila! Partition Failed With The Error Couldn't Unmount Disk
HELP!0Disk Utility Weirdness: Macintosh HD Cannot Be Repaired But Then Has No Problems?0Hard disk doesn't show on boot after erasing with Disk Utility1OS X can't unmount disk0Messed up 1TB Fusion Drive Welcome to Mac-Forums! Learn more You're viewing YouTube in Turkish. this contact form I tried formatting/erasing the 2nd HD numerous times with Disk Utility and it would continue adding time to the process up to 22+ hours.
Thanks Reply John April 7, 2016 MacBook Pro 2011 2.2 GHz Intel Core i7 8GB 1600 MHz DDR3 OSX 10.9.5 I replaced my optical drive with an HDD Caddy Error 69888 Couldn't Unmount Disk How do I do this without loosing or messing up my Mac. Purchased new HD and it initially recognized disk when formatting.
Reproduction without explicit permission is prohibited. Why so? Yet another piece of Chess software How does ssh run a command? At Least One Volume Could Not Be Unmounted I cancelled the operation cause it was very slow.
Reply Ava says: July 8, 2016 at 8:13 am I was trying to install tacos sierra on my 2011 iMac 21.5″ and it crashed my computer, and it just kept restarting. You can find that out in disk utility, select the drive, click info, and look under 'BSD device node' share|improve this answer answered Jan 8 at 6:21 Chris 27559 First, Download the OS X firmware from the official App Store 2. http://gsbook.org/unmount-disk/mac-disk-utility-could-not-unmount-disk-error.php Browse other questions tagged macos hard-drive disk-utility or ask your own question.
I foolishly tried to download it on my macbook pro 2012 13″ also. From the listing, look in the Identifier column for your disk identifier. Jan 21, 2014 3:31 PM Helpful (1) Reply options Link to this post Page 1 of 4 Next last Apple Footer This site contains user submitted content, comments and opinions and Be sure you backup your files to an external drive or second internal drive, the following procedure will remove everything from the hard drive!