Home > Unmount Disk > Could Not Unmount Disk Macbook Pro

Could Not Unmount Disk Macbook Pro

Contents

If yes, then go to OS X utilities and format the entire hard disk drive. Junaid Rupani 878,158 views 6:06 How to ║ Restore Reset a Macbook A1278 to Factory Settings ║ Mac OS X - Duration: 3:58. 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. If you have an image you would like to clone to it use the clone option. have a peek here

Transcript The interactive transcript could not be loaded. Chedens Alexis 4,091 views 0:44 Partition failed with error | How to unlock Password Protected Hard Drive | HD busy encrypting - Duration: 4:05. All rights reserved. When you start the software select your Apple drive. https://discussions.apple.com/thread/3342839?start=15&tstart=0

Disk Utility Couldn't Unmount Disk External Hard Drive

Or if you have any other files open that came pre-installed on the drive, close them. Sign in to add this video to a playlist. Spent hours searching. The symptom was that the Mac OS X Disk Utility could see the drive but trying to format it would hang indefinitely at "Unmounting Drive".I formatted the disk with the built

Jan 1st December 2015 at 10:14 pm · Reply For me it worked finally quite simpel, first I unmounted the logical disc "under" the physical disk0, then the erase for disk0 If you want to wipe the entire hard drive, you will need to use an external, bootable volume to boot from. Using this bootable USB device we can boot (or start) a computer and perform data recovery or other tasks. Error 69888 Couldn't Unmount Disk 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.

Thank you ! -Bobby Reply Lissett says: October 11, 2015 at 10:19 am Worked for me as well! Couldn't Unmount Disk Mac Reply Monish d kothari says: September 13, 2015 at 6:13 am Thanks a tonne for the help… It resolved my issues …. Launch up Terminal.app (through /Applications/Utilities or through a Spotlight search). Your password is being accepted.

Any idea what else I can do? Force Unmount Mac Back up as many of your files as possible, reformat the disk, and restore your backed-up files' I unsure of my disk right now and need some solution asap. Please tell me how I can get the Registration key of Stellar Partition Manager Software? This worked great.

Couldn't Unmount Disk Mac

Reply Alan Siu says: April 18, 2016 at 1:40 pm That's an odd one.

Foratting it in a Windows env was the only way I could get it to work again on my Mac. Disk Utility Couldn't Unmount Disk External Hard Drive This site is not affiliated with or endorsed by Apple Inc. Partition Failed With The Error Couldn't Unmount Disk Follow the steps mentioned in above reply (to Mabaker) in order to create boot dvd.

All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use.  Apple Support Communities More ways to shop: Visit an Apple navigate here Reply Tanya February 4, 2016 What is a USN boot drive? Reply Adrie says: October 14, 2016 at 10:39 am Great answer. From the listing, look in the Identifier column for your disk identifier. Can't Unmount Disk Mac

Still not playing ball? http://www.stellarinfo.com/blog/repair-mac-hfs-hard-drive/ Hope this helps. Loading... Check This Out Fields that can be ordered in more than one way Is there a non-medical name for the curve where index finger and thumb meet?

Operating system is on the a seperate SSD internal drive in the standard drive bay. Volume Erase Failed Couldn't Open Disk 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. PLEASE HELP!!

Took a lot of time to find it but was a flawless solution.

BigDadW - Daily Tech Videos & Product Reveiws 401,585 views 4:02 Format A Drive In OSX Terminal - Duration: 2:30. Sign in Transcript Statistics 10,434 views 17 Like this video? Then I could mount and unmount on the Mac OS X Disk Utility. Disk Erase Failed With The Error Couldn't Open Device I've never seen that.

thank you so much. 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. When the menu bar appears select Disk Utility from the Utilities menu. 2. http://strobelfilms.com/unmount-disk/disk-erase-failed-error-could-not-unmount-disk-lion.html Reply Alan Siu says: September 20, 2016 at 12:44 pm You really have to tackle one problem at a time.

Reply Sheryl Brown March 7, 2016 I must Thank You for resolving mu issues. Thank you. Using the above command can interrupt file read/writes, which can cause file corruption. Reply Vishal May 18, 2015 Hi Joel, I am going to help you resolve your issue.

I would also advise you to install Stellar Partition Manager on your Yosemite. His OS X and iOS tips have been some of the most popular posts on the blog. After the download & installation of Yosemite I wanted to remove Macintosh HD partition but keep music and video files and transfer them to Mac HD2. Note down the disk identifier.

After changing the security options and trying to format, it finally said there were errors on the disk. This site is not affiliated with or endorsed by Apple Inc. 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 with your disk number, making sure you are not trying to eject the main hard drive :) It is probably called "Disk1" Here is a Sample when I insert a USB

Further, the disk manager utility will allow the user to create, resize, add partitions on the hard drive with HFS, FAT or NTFS file systems. (2) Fixing with USB Boot Drive Philip H. 7th August 2015 at 5:14 pm · Reply I'm in the same boat with Crystal. 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 CommunitiesNotebooksMacBook Pro Please enter Looks like it starts erasing, but then quits and says at least one volume could not be unmounted.

Would your software resolve this issue? You should not physically unplug the drive. Set the format type to Mac OS Extended (Journaled.) Click on the Options button, set the partition scheme to GUID then click on the OK button.