BigDadW - Daily Tech Videos & Product Reveiws 401,891 views 4:02 Partition Failed How to Fix Mac - Yosemite OSX - El Capitan OSX - Mavericks OSX - Duration: 2:22. The version of the OS X does not matter, by at least must be 10.7, 10.8 and 10.9. Reply Dina B. I am having the same message like Cristian. “stdout: Input/output error” – I tried Disk Utility but always error message “Unable to write to the last block of the device” please this contact form
From the listing, look in the Identifier column for your disk identifier. Sign in 147 263 Don't like this video? Nuvi November 18, 2014 at 5:10 pm Thanks this worked perfectly! It said it mounded but did not show that in diskutil.
Could you also let me know the file format to which your external drive was formatted before this error? If then I unplugged and plugged back the pendrive, it stopped showing such message line (and the CPU activity was down and no fan heard). Close Yeah, keep it Undo Close This video is unavailable. Reply Leave a Reply Cancel reply Your email address will not be published.
DU will try to unmount it in any case in order to partition it. For the boot drive, it shouldn't matter which version of OS X it's for (assuming 10.7, 10.8, and 10.9 at least), the only requirement is that it has Disk Utility - Firefallspublishing 33,768 views 6:38 Partition failed with error | How to unlock Password Protected Hard Drive | HD busy encrypting - Duration: 4:05. Disk Utility Couldn't Unmount Disk External Hard Drive Let me know if you have any further issues.
Jefferson Le Blanc June 18, 2016 at 9:37 am It appears that your system caches got corrupted at some point. Couldn't Unmount Disk Mac Explain why you think the answer you provided will solve the problem or is better than others out there. If that doesn't work, I'd actually seriously consider booting Ubuntu or some other non–Mac OS X operating system to reformat the drive that way first, and then use Disk Utility to The error, which is thrown, is the: ‘Disc erase failed couldn’t unmount disc.' or ‘Disk Erase failed with the error: Couldn’t unmount disk.’ The error occurs in such situations like formatting
Reply Andrés says: March 31, 2016 at 6:00 am Thank you very much!!!!! Volume Erase Failed Couldn't Open Disk An then such last error message for all consecutive trials. Reply Tanya February 4, 2016 What is a USN boot drive? I've read that HGST is well regarded by some.
When I go into Disk Utilities > Erase tab > change Volume Format to Mac OSX Extended > click erase, it keeps saying disk "Erase failed with the error: File system https://discussions.apple.com/thread/4117187?tstart=0 If you don't have an external drive enclosure in which you can test the new drive, Otherworld Computing has a NewerTech Universal USB 3 Drive Adapter (http://eshop.macsales.com/item/NewerTech/U3NVSPATA/) on sale for $28. Can't Unmount Disk Mac duongel June 10, 2015 at 5:00 pm Just wanted to say thank you dude! Partition Failed With The Error Couldn't Unmount Disk Another option that should work in most cases is to use the Terminal to interact with special device files to force an overwrite of the device file representing the drive.
Sign in 18 0 Don't like this video? weblink Having struggled with Couldn't Unmount Disk for hours, I re-started my mac with cmd+r, opened terminal and unmounted disk. The current version comes on a thumb drive with a utility that will put it on another thumb drive with your current base system. Now with the help of the Mouse pointer, drag the sidebar to resize your Mac HD 2 partition. Error 69888 Couldn't Unmount Disk
Press Ctrl+C to abort execution of the last command in a minute (it's enough to just fill the beginning of the disk with random garbage). Reply Shoug says: September 20, 2016 at 12:40 pm i have the same prob and am doing this coz i forget ma macbook password and now !! Thank you so much. navigate here Somehow, I was able to get DiskWarrior to recognize it as an unmounted drive and I installed a new directory.
If you see this error, then do the following: Press the Up arrow key in the Terminal to load and prepare the previously entered command. Disk Erase Failed With The Error Couldn't Open Device It is the Utilities Menu for the Installer Disk Verification of the Disk is done with the “First Aid.” The repair is done The original task which was halted due to Everything prompts an unmount error.
Look complicqted to far added agreeable from you! Reply Alan Siu says: October 27, 2016 at 8:41 am This may help you: https://youtu.be/u6dnYe7TDMQ?t=82 Reply Kristie says: November 15, 2016 at 1:49 am Thanks so much, great fix! Reboot the Mac holding down the "Option" key and choose the Recovery partition Select "Disk Utility" from the boot menu Go to "First Aid" to verify and repair the disk, or Force Unmount Mac You can also subscribe without commenting.
Was it a GUID volume to begin with? Required fields are marked *Name Email Website Time limit is exhausted. May I suggest you write it up yourself and then ask Topher to publish it on MacIssues, if not on the main page, then on the forums as a stand-alone topic. his comment is here Stellar Partition Manager doesn't resize EXFAT partitions.
Mar 24, 2013 8:25 AM Helpful (0) Reply options Link to this post by marcfrombenfleet, marcfrombenfleet Jun 30, 2013 7:11 AM in response to niccodeamus Level 1 (9 points) iPhone Jun You should also see the name of the disk such as ‘Macintosh HD'. OK, we've tried to be nice, but is the disk STILL not letting you work with it? Since you can boot from a thumb drive, your computer will apparently work from an external drive.
Enter your admin password if prompted. Reply Leave a Reply Cancel reply Your email address will not be published. The HDD has been acting up recently, very slow performance, bad behavior etc. Jefferson Le Blanc September 17, 2016 at 2:39 pm @ Tim: Not that it will help you now, but yes, you did it wrong.
Selecting "1TB Seagate USB…" still has Mount grayed out but Eject is active. MaX April 10, 2014 at 3:08 pm Yes, I have contacted LaCie, and they say that they do have the tool to reload the drive’s firmware, but it is only for I got the same last error when afterwards selecting Options as Apple Partition Map, as well as Master Boot Record. Reproduction without explicit permission is prohibited.
If anyone knows how to get it working again they should. Could you do that in the future? Enter the following where ‘x' is your disk identifier. (Remember to use the ‘diskutil list' command if you need to find out your disk identifiers): sudo diskutil unmount force /dev/diskx 2) Related Posts 2 8 tips to Tune Up Safari browser performance Safari is the default Oliver Powell • February 5, 2015 0 7 New Year Resolutions – Lets Not Lose Our
Back to square one!!!! Any advice? What happens if you try this? And hopefully fix it from there?
So, no joy there. Reboot the Mac holding down the "Option" key and choose the Recovery partition Select "Disk Utility" from the boot menu Go to "First Aid" to verify and repair the disk, or wt to do pls i need help .. Up next How to force a Hard Drive to unmount for formatting in Mac OS X Disk Utility - Duration: 6:11.