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Disk Erase Failed Error Could Not Unmount Disk Lion


Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Disk Utility gives you options to secure delete the partitions and hard drives. I would also advise you to install Stellar Partition Manager on your Yosemite. Regards Timothy Reply Vishal May 21, 2015 Hey Timothy, Thanks for writing to us. navigate here

Yes/No, if you select the Volume and not the HD it won't, if you select the HD it will. share Share on Twitter Share on Facebook Email Link Like + Quote Reply PavelT, Jan 7, 2013 PavelT thread starter macrumors member Joined: Nov 12, 2012 #21 great stuff. Enter your admin password if prompted. I am sharing the buy now link of Stellar Partition Manager so that you can resize your Mac ASAP.

Volume Erase Failed Couldn't Unmount Disk

Tried everything under disk utility, couldn't unmounted disk or said couldn't open disk, depending which disk. 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 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 Step 5: Wait till the scanning process gets over, after that a list of scanned files are displayed.

i did add the internal hdd in the system pref>spotlight>privacy> ...then i tried again. Any OS X boot drive is needed to complete the task. Please reload CAPTCHA. eight − = Notify me of followup comments via e-mail. Partition Failed With The Error Couldn't Unmount Disk Thank you in advance for any help on this matter.

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This way you don't need to erase anything. Error 69888 Couldn't Unmount Disk Couldn't repair, said to reformat, but couldn't erase anything either. Then from boot menu select Disk Utility. Click on the 1 TB APPLE HDD disk (not volume) and choose 1 partition then apply ?

Can't Unmount Disk Mac

An Introduction to Partition Failed Could Not Unmount Disk Although Mac OS X is quite reliable, but still it is not free from glitches. http://technology.siprep.org/fix-for-disk-erase-failed-couldnt-unmount-disk/ You may find these links helpful: https://www.ifixit.com/Answers/View/244571/partition+failed+wiping+volume+data+to+prevent+future+accidental+probi https://www.reddit.com/r/applehelp/comments/3v3ybd/wiping_data_to_prevent_future_accidental_probing/ Reply brian says: August 26, 2016 at 5:53 pm Awesome! Volume Erase Failed Couldn't Unmount Disk Use Disk Utility<

Was the solution to startup from an install disk/recovery? check over here In this case, a resolution of the problem occurs with the Recovery Partition, which comes with all the newer versions of the Mac OS X. You can then run Disk Utility from there. i am currently using the external ssd osx and i just want to wipe out the internal drive so i can simply use it to store files. Volume Erase Failed Couldn't Open Disk

share Share on Twitter Share on Facebook Email Link Like + Quote Reply limtub, Apr 12, 2014 limtub macrumors newbie Joined: Apr 12, 2014 Location: Sweden #25 Still don't get it! Is there a way in Terminal to do this instead? Oct 3, 2013 9:52 AM Helpful (12) Reply options Link to this post by robot3021, robot3021 Nov 19, 2013 9:11 AM in response to desbrisay Level 1 (0 points) Nov 19, his comment is here Worked immediately.

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. Disk Erase Failed With The Error Couldn't Open Device Causes The reason for this error is the modification of the boot drive, or it is being used by some other process or application. This entry was posted in Mac Data Recovery and tagged Best Data Recovery Mac, Corrupted Mac Data File Recovery, Deleted text file recovery Mac, Partition Failed Could Not Unmount Disk on

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share Share on Twitter Share on Facebook Email Link Like + Quote Reply Macman45, Jan 5, 2013 Macman45 macrumors G5 Joined: Jul 29, 2011 Location: Somewhere Back In The Long Ago Enter your admin password if prompted. The original link is in "http://archive.macfixitforums.com/ubbthreads.php/posts/346000" Eduardo Ferraz 24th November 2015 at 3:12 pm · Reply Thanks a lot! At Least One Volume Could Not Be Unmounted I really can't afford to pay someone $300 when I'm this close!

Why is that? If you do this will all the folders at the root level it is clean and you can then use it for files. You may have to still change the number (it may not be /dev/disk2 but /dev/disk3 or something else), but most terminal "command not found" errors I've seen have been due to weblink Reply Joel May 18, 2015 My Mac is single drive partitioned but I created another partition named "Mac HD2" to download Yosemite on it.

Formatting the hard drive or partition scheme will recreate new HFS file structure on the hard drive, which will be free from cryptic errors. Thank you so much 🙂 Very clear instructions! Operating system is on the a seperate SSD internal drive in the standard drive bay. OK, we've tried to be nice, but is the disk STILL not letting you work with it?

In backup unavailability you can consider Mac Data Recovery Software. In his first post he says erasing, erasing the disk is the same as creating 1 new partition!!!! No joy.