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Could Not Unmount Disk External Hard Drive

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I've tried the original text and the one you suggested to Jon and it still says ‘command not found' Any ideas what's up? Thanks in advance. An error occurred while creating the backup folder."Using Disk Utility, I verified the disk which asked me to repair it. Retox Media 16,568 views 2:29 How to Format An External Hard Drive for Mac - Duration: 5:16. have a peek here

http://www.stellarinfo.com/blog/repair-mac-hfs-hard-drive/ Hope this helps. Can someone help?? Took a lot of time to find it but was a flawless solution. credit to The MacTipper Blog property show_credits : true set the_volumes to do shell script "ls /Volumes/" tell application "Finder" to set the_HD to path to home folder as string set

Disk Utility Couldn't Unmount Disk External Hard Drive

Booted from a boot usb and it did the trick. Hope this helps. Click to visit Stellar Partition Manager key registration page Reply Iggy December 2, 2015 I have an EXFAT partition on my 1TB usb hard drive however Stellar Partition Manager Reply Del Rey says: December 3, 2016 at 6:45 pm Worked for me reformatting a Seagate Backup plus to use with OS 10.6.8.

This app is quite nice. Reply uzz says: July 21, 2016 at 1:05 pm You don't need any boot drive nor recovery partition utility to fix this error. Working... Can't Unmount Disk Mac And if that doesn’t work, a full restart should help.

Skip navigation Sign inSearch Loading... Reply Monish d kothari says: September 13, 2015 at 6:13 am Thanks a tonne for the help… It resolved my issues …. But such processes get spawned again. Stellar Phoenix Mac data recovery is free-to-preview software that allows preview of deleted, formatted and lost files in demo version.

Here you can check out the KB article for the same. Error 69888 Couldn't Unmount Disk Reply Vishal August 13, 2015 Hi Owen, Yes Stellar Partition Manager V3.0 will address your issue. No joy. There are just no dots or asterisks to indicate so.

Couldn't Unmount Disk Mac

About Us Contact Us Mac OS X Hints Ad Choices Digital Edition Customer Service Newsletters Magazines, eBooks & Apps Privacy Policy RSS Terms of Service Agreement E-commerce Affiliate Relationships Macworld CATEGORIES check my blog Were Palpatine or Vader ever congratulatory or nice to any of their subordinates? Disk Utility Couldn't Unmount Disk External Hard Drive 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 Partition Failed With The Error Couldn't Unmount 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

Nov 13, 2012 5:03 AM Helpful (1) Reply options Link to this post by Joe Gramm,★Helpful Joe Gramm Nov 13, 2012 5:08 AM in response to elliswicks Level 5 (6,344 points) navigate here I boot into the Recovery HD/Repair Disk and then TM will work perfectly until I unmount the second drive the next time.I assume you have the drive formatted to HFS+. Formatting the HD will have recreated the new file structure on your hard drive and ‘Couldn't unmounts disk’ will also resolve. Ask Different works best with JavaScript enabled current community blog chat Ask Different Ask Different Meta your communities Sign up or log in to customize your list. Disk Utility Can't Unmount External Disk

What happens if you try this? Crazy 8s Code Golf What is the proper usage of "identically zero"? Thank you so much. Check This Out I have downloaded and installed the app What's Keeping Me?

Don't forget to like or put "This solved my question" or "This helped me"!Good luck!from Galaxy User Nov 17, 2013 5:03 PM Helpful (0) Reply options Link to this post by Volume Erase Failed Couldn't Open Disk I tried the other workaround; hdiutil detach, and i get an error saying "Resource busy" please advise Reply Alan Siu says: October 25, 2016 at 8:07 am This should help you More like this How to stop OS X from deleting trashed files immediately Your top questions to Mac 911—and some answers How to avoid a blank second display when using full-screen

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Author Alan SiuPosted on April 13, 2015Tags disk utility, diskutil, erase drive, mac, unmount 40 thoughts on “Fix for disk erase failed couldn't unmount disk” Randall says: July 14, 2015 at Might need a new cable. Why is the electric field due to a charged infinite cylinder identical to that produced by an infinite line of charge? Disk Erase Failed With The Error Couldn't Open Device share|improve this answer answered May 17 '15 at 23:07 user128242 111 how would one do that ?

Reply Alan Siu says: December 8, 2016 at 12:21 pm Try booting up Ubuntu and reformatting the drive (as FAT32) and then booting into Recovery Mode and re-reformatting it (as HFS+). The disk then spins down properly, and you pull the plug as you normally would. theComputerGuru 198,114 views 5:29 HOW TO: Delete a partition on Mac - Duration: 1:29. http://strobelfilms.com/unmount-disk/error-could-not-unmount-disk-external-hard-drive.html I need to get this one fixed and get the internal one running again, because i can't have two computers running off one external drive, and i still need to fix

Follow his post to know more about data recovery and Mac backups. With the help of bootable media you need to boot into Mac and resize Macintosh HDD so that it claims that unrecognized spaces. Loading... Reproduction without explicit permission is prohibited.

This is becoming annoying as I have to do a full erase and full Time Machine backup of the drive every time it does this.Any more suggestions? A new backup then becomes aggrevating to have to do. Chedens Alexis 4,091 views 0:44 Partition failed with error | How to unlock Password Protected Hard Drive | HD busy encrypting - Duration: 4:05. Still not playing ball?

iDB 33,411 views 1:29 How To Remove PASSWORD on MacBook Pro | All Macs! | Unlock Passcode for Pro Air iMac Mac Pro - Duration: 4:09. Regards Timothy Reply Vishal May 21, 2015 Hey Timothy, Thanks for writing to us. 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! amsysdisk utliltytipstrainingunmount Russell HarrisRussell has been a member of the Amsys team for over 20 years, initially working within the repairs department, he is now a fully certified Apple Master trainer

This should unmount all volumes of the physical drive: 4) Attempt again to perform whichever task caused your ‘Couldn’t Unmount Disk' error. (For example to Erase/Partition the disk). Transcript The interactive transcript could not be loaded. I'll take this into consideration for the next time! –nKn Dec 30 '15 at 20:29 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign 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.

If you have used our method above to create a bootable installer, choose ‘Disk Utility' from the available menu. Zognoh 806,136 views 3:28 How to Format External Hard Drive for Mac OSX - Duration: 4:13. By using the System Prefs → Spotlight. Sign in 263 Loading...