If you look in the Console (/Applications/Utilities/), you will see an entry like this: Verifying volume “Storage” The disk “Storage” could not be unmounted Could not unmount disk for verification, attempting the pitch whine & clik is a totally different issue from the OP's error message, that HDD is dying & needs to be replaced ASAP share Share on Twitter Share Defective or failing hard drives. Filter By Category Mac (Unsolved) iOS (Unsolved) iTunes (Unsolved) All Unsolved All Solved Want a Flair? http://darrenmanning.com/disk-utility/disk-utility-underlying-task-error.html
share Share on Twitter Share on Facebook Email Link Like + Quote Reply anonymousadrian, Aug 30, 2007 anonymousadrian macrumors newbie Joined: Aug 30, 2007 #11 sorry to bring up old thread... Likewise, data saved on an area of the hard drive that develops bad sectors will be irretrievably corrupted and unrecoverable. Ordered a new one on EBAY. That same notation is used in the next two steps.2.
Should I downgrade to 2.0.0 ? what should i do? Error: No valid packages (-9997) Failed.
Could not unmount disk." If you look in the Console (/Applications/Utilities/), you will see an entry like this: Verify and Repair disk "Storage." The disk “Storage” could not be unmounted. thats just great then aint it! Stay logged in Please select a forum to jump to News and Article Discussion MacRumors.com News Discussion Mac Blog Discussion Disk Utility Error Couldn't Unmount Disk Copyright © 2016 Apple Inc.
Note that Disk Utility under Mac OS X 10.4 is the first version of Disk Utility that permits one to zero out data on a specific partition or volume if the Disk Utility Error A Disk With A Mount Point Is Required Disk Utility can verify your computer's startup disk (volume) without starting up from another volume. The disk error appear when running fish the first time. $ fish -c 'exit' $ diskutil verifyVolume Macintosh\ HD Started file system verification on disk0s2 Macintosh HD Verifying file system Using The idea then was to reinstall OS X on "Macintosh HD" drive, hence potentially overwriting all my files.
If you have AppleCare, support should walk you through troubleshooting steps. Disk Utility Error 254 I agree with many and others made me think. What am I? Maybe the thing to do is to commit a simple fix to 2.1.2 (perhaps as simple as disabling the link on OS X) but not release it, instead releasing a 2.2.0
Four options will come up-- choose Disk Utility. https://www.cnet.com/news/partitioning-usb-hard-drives-that-fail-in-disk-utility-with-posix-error/ Anonymous form close (x) Front Page Mac Blog iOS Blog Roundups AirPort Apple Car Apple Deals Apple Pay Apple Stores Apple TV Apple VR Project Disk Utility Error Codes USB Drive to the rescue The next day, I had no choice but to install the OS on external drive. Disk Utility Error Couldn't Open Device I proved this myself.
Robs-MacBook-Air:~ Rob$ diskutil eraseDisk JHFS+ LaCie disk2 Started erase on disk2 Unmounting disk Error: -69888: Couldn't unmount disk Ah right. this content Robs-MacBook-Air:~ Rob$ diskutil unmountDisk force disk2 Forced unmount of disk2 failed: at least one volume could not be unmounted permalinkembedsaveparentreportgive goldreply[–]apple9321Apple Expert 2 points3 points4 points 5 months ago*(7 children)Alright, this is going Just make sure you get the right diskname. As a first stab Should low frequency players anticipate in orchestra? Disk Utility Error Code 8
Include as many details as possible. Replacement Radiator Cap What are the drawbacks of the US making tactical first use of nuclear weapons against terrorist sites? While generally rare, bad sectors can develop on a hard drive at any time. http://darrenmanning.com/disk-utility/disk-utility-error-underlying-task.html Signed-off-by: Mike McQuaid
Leopard: Mac OS X Leopard Install DVD. I was supposed to upgrade from OS X Yosemite 10.10.5 to the new OS X El Capitan 10.11.3. Is it worth buying real estate just to safely invest money? Disk Utility Input/output Error New Image For more information, see: * fish-shell/[email protected] * fish-shell/fish-shell#1859 a2a29f2 BrewTestBot added a commit to BrewTestBot/homebrew that referenced this issue Feb 21, 2015 Josh Tilles Reinstall Mac OS X on a zeroed startup disk This section details the method for resolving either bad sectors or irreparable directory corruption on your startup disk.
share Share on Twitter Share on Facebook Email Link Like + Quote Reply SmurfBoxMasta, Aug 31, 2007 SmurfBoxMasta macrumors 65816 Joined: Nov 24, 2005 Location: I'm only really here at night. Using disk utilities to correct hard drive problems Before using either Disk Utility or a third-party utility to correct directory corruption or address bad sectors, consider the following precautions and take Cheers share Share on Twitter Share on Facebook Email Link Like + Quote Reply IJ Reilly, Aug 30, 2007 IJ Reilly macrumors P6 Joined: Jul 16, 2002 Location: Palookaville #13 Helpful (0) Reply options Link to this post by Jeff Kelleher,★Helpful Jeff Kelleher Mar 26, 2012 8:35 PM in response to pc_mechanic Level 4 (3,015 points) Mar 26, 2012 8:35 PM
Boot from System CD and run Disk UtilityClick to expand... Be sure to check us out on Twitter and the CNET Mac forums.Tags: Computers Discuss: Partitioning USB hard drives that fail in...Conversation powered by LivefyreShow CommentsHide CommentsFeatured VideoAnalog is king at Daptone Reinstall your third-party applications. 4.6. Tim share|improve this answer answered Aug 27 '15 at 2:36 tim birchard 111 I've had more luck with this method than running under a normal boot, but it still