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 Reply Joel May 18, 2015 My Mac is single drive partitioned but I created another partition named "Mac HD2" to download Yosemite on it. wt to do pls i need help .. Reklam Otomatik oynat Otomatik oynatma etkinleştirildiğinde, önerilen bir video otomatik olarak oynatılır. http://gsbook.org/unmount-disk/disk-utility-erase-error-could-not-unmount-disk.php
Regex with sed command to parse json text Getting name of current structure level What is the proper usage of "identically zero"? 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 Ian Ian Reply With Quote 07-19-2016,07:33 AM #3 defmuse View Profile View Forum Posts Visit Homepage Member Since Jul 19, 2016 Location Bombay, India Posts 4 Specs:MacBook Pro + iMac Intel 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.
Join us to comment and to customize your site experience! Any suggestions would be great. This will allow you to fix the problem, regardless of the cause, by one of two means, the first is a sure-thing to fix the issue, while the other only works
The HDD has been acting up recently, very slow performance, bad behavior etc. Reply abdul rahaman says: February 23, 2015 at 12:04 pm I want to install couldn't Reply Gary Bridger says: June 1, 2015 at 3:25 pm Ok I guess I done this model/year of your MBPro, backup(s) available (e.g. Volume Erase Failed Couldn't Open Disk Please tell me how I can get the Registration key of Stellar Partition Manager Software?
Hope this information helps. Partition Failed With The Error Couldn't Unmount Disk I am running iMac 2011 OS X 10.9. Reply Alan Siu says: July 8, 2016 at 10:18 am Sierra is still beta, right? you could check here 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
Then, further install the OS X on it 5. Force Unmount Mac Ignatius College Prep Tech Blog - trademarkable on How to read from and write to .plist files using PythonAlan Siu on Fix for disk erase failed couldn't unmount diskPages About this 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. Took about 5-10 minutes.
I'm having a problem unmounting an external hard drive.
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 Can't Unmount Disk Mac Reply Shoug says: September 20, 2016 at 12:40 pm i have the same prob and am doing this coz i forget ma macbook password and now !! Error 69888 Couldn't Unmount Disk I know this conversation seems to be close, but thought I'd try to post here.
Worked immediately. More about the author It will ask you to create image of Macintosh HD. Operating system is on the a seperate SSD internal drive in the standard drive bay. This worked great. Disk Utility Couldn't Unmount Disk External Hard Drive
Reply Alan Siu says: June 26, 2016 at 8:06 am The only thing I can think of is that you're accidentally typing it wrong. acguevara 11.277 görüntüleme 2:22 How to Format External Hard Drive for Mac OSX - Süre: 4:13. I also have 1TB Seagate external hard drive. check my blog Worked perfectly after many failed "solutions".
I will be linking this solution to other forums in the future. Disk Erase Failed With The Error Couldn't Open Device Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search apple.com Shopping Bag : CommunitiesSign inPostBrowse discussionsContact SupportSearchCommunitiesContact SupportSign inContentPeopleSearch Support CommunitiesMac OS & System Find the one you want to force unmount.
Tuts+ Computer Skills 11.813 görüntüleme 2:53 Mac OSX Lion How to do a Clean Install - Süre: 9:53. Reply Leave a Reply Cancel reply Your email address will not be published. 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 At Least One Volume Could Not Be Unmounted Used diskmaker x to make an el capital boot disk then followed your steps and it worked on my 2013 MacBook Pro with Yosemite version.
Members have access to different forum appearance options, and many more functions. We're trying to find the best answers and those answers will provide info as to why they're the best. 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 news I've never seen that.
http://osxdaily.com/2014/12/14/reins...rnet-recovery/ Ian Ian Reply With Quote 07-20-2016,05:14 AM #5 defmuse View Profile View Forum Posts Visit Homepage Member Since Jul 19, 2016 Location Bombay, India Posts 4 Specs:MacBook Pro + iMac Spent hours trying other solutions, but this worked straight away! –user128386 May 18 '15 at 23:30 add a comment| up vote -1 down vote Try to use umount -f /Volumes// share|improve Reply Alan Siu says: January 26, 2016 at 4:49 pm Try booting into recovery mode (holding down Cmd-R during bootup) and then erasing it from there. Results 1 to 5 of 5 Thread: Disk Erase failed with the error: Couldn't unmount disk Tweet Thread Tools Show Printable Version Subscribe to this Thread… 07-19-2016,06:41 AM #1 defmuse View
Reply Alan Siu says: April 18, 2016 at 1:40 pm That's an odd one. I advise you download & install Stellar Volume Repair tool and rebuild the drive corrupt directory structure. Ekle Bu videoyu daha sonra tekrar izlemek mi istiyorsunuz? Same goes when I try to erase the disk.
The vacant space will then be reoccupied with your Mac HD 2. I have a 2010 iMac with a 1.5 TB Seagate external hard drive I use for Time Machine as well as other backups. So now i have two broken internal hard drives. Now, press the opt n reboot your system 6.