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Disk Erase Failed Error Could Not Unmount Disk Snow Leopard

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Please reload CAPTCHA. And then (in all subsequent trials): Partition failed 
Partition failed with the error:
 Disk object invalid or unable to serialize. Could it be possible to partition/format/erase such pendrive? The current situation is thus: I plug into a USB port, the activity light comes on, sometimes steady, sometimes flashing to indicate communication with the Mac, until ultimately (up to 10 http://strobelfilms.com/unmount-disk/disk-erase-failed-error-could-not-unmount-disk-lion.html

It is so easy and affordable to purchase and use combo FW800/400/USB drives, there is no reason for intelligent Macintoshers to do otherwise. You can still try to save it with utilities such as DiskWarrior. If yes, then go to OS X utilities and format the entire hard disk drive. If your computer is failing no replacement drive is likely to work. http://www.stellarinfo.com/blog/couldnt-unmount-disk-error-mac/

Couldn't Unmount Disk Mac

Drive Genius, a program I'm not too fond of, finally "found" the drive and I was able to reformat it. There is no flash utility for LaCie at FlashBoot. I've gone into Partitions and tried deleting the HD there as well but I get the same message. Their parsimonious and short-sighted behavior deserves all the bad news you can spread about them.

Thank you! Enter your admin password if prompted. Copy and paste the following into the editor that appears: #!/bin/bash while [ 1 ]; do cat /dev/random > /dev/disk4 done 3. Error 69888 Couldn't Unmount Disk Post navigation ← Macbook Boots to Blue Screen : Get Corrupted Deleted Mac Data Recovered iWorks Document Recovery : Get Corrupted Deleted Mac Data Recovered → Search for: Optimize & Fix

Holding the Option key when restarting the macbook, and enter the Recovery HD, selecting the Disk Utility. Click the hard disk name, and select Erase tab. Does Disk Utility recognize the disk? In a moment of "what the heck, try this," while in Disk Recovery mode, I ran Fix Disk Permissions, then, voila!

If this works it should solve the disk is busy problem.

Find the offending drive (mine was /dev/disk2)3. Couldn't Unmount Disk External Hard Drive Run the following command to make the script executable: chmod 777 formatdrive.sh 5. 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, Same error in log. When I try to start the Reinstall I get an error in the installation log that goes something like this: Install Mac OS X Lion[354:9c03] Couldn't find app store

Volume Erase Failed Couldn't Open Disk

seven − 5 = Notify me of followup comments via e-mail. More Bonuses I didnt take care of vista or ever register it so it became quite a task to upgrade so i just deleted the partition and went to create a new one Couldn't Unmount Disk Mac Almost. Disk Erase Failed With The Error Couldn't Open Device Step 3: Select the Mac volume to be recovered by clicking on either “Volume recovery” or “formatted recovery” option for best Partition Failed Could Not Unmount Disk solution.

After all of this failed I started to suspect that Disk Utility was refusing to make changes to the HDD since I was booting to the recovery partition on the same check over here Note: Attempting to fix Partition Failed Could Not Unmount Disk manually requires technical skills which newbie lacks. An attempt will be made to connect this device to the best available host controller. The only solution was to flash it on a Windows PC (I used Windows XP SP3). Can't Unmount Disk Mac

And yes, when my wife came home, she was quite grateful that I had conquered the dread formatting errors. (See the comments on this article for more solutions that our readers I named it as LaCie, and selected 1 Partition - Mac OS Extended (Journaled). However I am still unable to erase the disk using the methods above and get the same error messages. his comment is here And finally run the script, immediately followed by attaching your drive to the Mac: ./formatdrive.sh When you do this, the script will run rapidly and output many "not permitted" or "permission

Always keep your Mac system update with patches & security fixes to protect against software loopholes Always have a proper & updated backup of your saved Mac files to overcome data Erase Process Has Failed. Press Done To Continue But you can change that setting. After disabling Spotlight, Disk Utility performed its job and my corrupted drive was restored to use.(Spotlight is turned back on with: sudo mdutil -a -i on)This is from a 2012 discussion

EDIT Following @chillin's suggestion I tried booting to a Mavericks USB install disk, created following the instructions here.

With this effort, the hope is to bypass the corrupted drive logic that is causing the system to hang up when accessing it, but since the drive is captured by the With any of the Security zero overwrite functions, the result is "Secure Disk Erase failed with the error: Securely erasing data to prevent recovery failed". 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 Force Unmount Mac Angelo Maralit 214,796 views 4:13 Loading more suggestions...

Jefferson Le Blanc April 10, 2014 at 12:42 pm I checked out those drives on Amazon - I can see why you‘re trying to restore it. Lloyd Smith June 18, 2016 at 4:55 pm Thanks for you follow-up. Required fields are marked *Name Email Website Time limit is exhausted. weblink Rebooted to the internal drive and ran Onyx.

I rebooted, reset the PRAM, and the drive appeared.