formatting hard drive for mac error Port Edwards Wisconsin

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formatting hard drive for mac error Port Edwards, Wisconsin

Have an external hard drive, which i used to boot up the iMac with el capitan, but i am still in the process of trying to erase the internal drive. I had pretty much given up when I came across your post. Reply vishal May 25, 2016 Hi Dina, You can use Stellar Partition Manager Software to format the hard-drive of your Mac OS X extended Journaled file system. Wird verarbeitet...

assist. I simply selected it and formatted it and voila! Reply Vishal December 2, 2015 Hello Iggy, Thanks for writing to us. A small, bus-powered external drive did not do the harm.

cheers, larry B. WiedergabelisteWarteschlangeWiedergabelisteWarteschlange Alle entfernenBeenden Wird geladen... This will ensure more of the drive is overwritten by the command, and possibly allow you to recover it. Melde dich bei YouTube an, damit dein Feedback gezählt wird.

So, LaCie flashing takes 42 MB more than the native Innostor (!). Both were WD. salaries: gross vs net, 9 vs. 12 months Right-angle mark not drawn correctly Is intelligence the "natural" product of evolution? I was really starting to get frustrated, but your instructions worked 🙂 Reply ↓ Brad June 11, 2015 at 8:31 am I successfully erased all partitions but when I got to

I got the same last error when afterwards selecting Options as Apple Partition Map, as well as Master Boot Record. Then the resolution lies in the previous method. In this case, a resolution of the problem occurs with the Recovery Partition, which comes with all the newer versions of the Mac OS X. 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 ↓ Lloyd Smith June 18, 2016 at 5:46 am Other than Jason being a jerk… well, I guess that sums it up. Since you can boot from a thumb drive, your computer will apparently work from an external drive. Once you are satisfied with the recovery performance of the software, you can purchase the software through its buy page. Reply TE says: March 26, 2016 at 9:59 am Couldn't get around this problem until I found your solution… Used diskmaker x to make an el capital boot disk then followed

This is what I get when I try to partition it with Disk Utility: Partition failed
 Partition failed with the error: 
Couldn’t unmount disk. You can delete the partitions on the drive there very quickly, and then reconnect it to your Mac for reformatting there. If you simply press Control-C will cancel the command but the script will start it right up again. Jefferson Le Blanc August 4, 2015 at 11:43 am Hi Larry - I wouldn't recommend buying DiskWarrior to fix just one drive, especially as the outcome for that drive is problematic.

Melde dich bei YouTube an, damit dein Feedback gezählt wird. Typically the "Couldn't Unmount Disk" error pops up when the currently boot drive is being modified, thus the easiest solution is to boot from another drive and run Disk Utility from Used diskmaker x to make an el capital boot disk then followed your steps and it worked on my 2013 MacBook Pro with Yosemite version. Cancel Most Helpful Answer mayer @mayer Rep: 424.1k MacHale Enterprises 731 468 1.4k Posted: 03/10/2011 Options Permalink History This solution may work for you:

Is there a role with more responsibility? Running "diskutil list" (A) will show the drives and corresponding partitions. Schließen Ja, ich möchte sie behalten Rückgängig machen Schließen Dieses Video ist nicht verfügbar. June 18, 2016 at 2:40 am @ Jason Watkins: In my case, I had a brand-new Western Digital MyBook USB drive that I wanted to encrypt - should be pretty simple,

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 The current version comes on a thumb drive with a utility that will put it on another thumb drive with your current base system. Helpful (0) Reply options Link to this post by lgrego14, lgrego14 Sep 3, 2013 10:55 AM in response to Dommie84 Level 1 (0 points) Sep 3, 2013 10:55 AM in response 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.

After searching for a very long time through forums of people suggesting basic things or trying to make others feel ignorant this solution worked! Have to pick a partition scheme (# of partitions) in the partition tab, Then go to the bottom above the plus and minus signs and there's now a choice that says Reply Vishal November 20, 2015 Hi Sam, To enjoy full features of the Stellar Partition Manager software you need to register the product by purchasing it from the website. Though drive defragmentation is controversial, I've found it to be useful.

Please let me know if this resolves your issue. If I try to partition the drive, the Apply button is grayed, so I cannot do it (before today it was possible, as described above). Please take a look here: Why and how are some answers deleted? –bummi Apr 22 '15 at 20:41 add a comment| up vote 0 down vote Before you trash your drive, In fact, the only one I've had a problem with lately is an HGST drive that will mount but not boot.

Many thanks. Wird geladen... I was able to run $ diskutil unmount /dev/disk2 $ diskutil mountDisk $ cat /dev/random > /dev/disk2 and bingo it worked. Comments(28) Mabaker May 13, 2015 My Disk Utility is unable to resize Macintosh HD.

Regards. 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 When this happens, wait a few moments as mentioned in the article, and then close the Terminal, confirming to cancel running processes. I was setting up a usb Yosemite boot drive but it hanged (upgrading from Snow Leopard to Yosemite).

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 Since I cannot repair it (Disk Utility, DiskWarrior, TechTool Pro, DiskTools Pro & SpeedTools Utilities Pro, and Drive Genius on Mac with OS X 10.9.2 Mavericks), I just want to format Others use mirrored RAIDS to insure data integrity. The disk does not show up in Finder but I can see it in Disk Utility.

Reply ↓ Clang August 25, 2015 at 12:36 am Hot damn! The trashy software that came with it, as many others attest, should simply be overwritten and forgotten. And finally run the script, immediately followed by attaching your drive to the Mac: ./ When you do this, the script will run rapidly and output many "not permitted" or "permission Many thanks!

I tried formatting/erasing the 2nd HD numerous times with Disk Utility and it would continue adding time to the process up to 22+ hours. Helpful (0) Reply options Link to this post by Webdva,★Helpful Webdva Mar 12, 2012 11:40 PM in response to Webdva Level 1 (5 points) Mar 12, 2012 11:40 PM in response Not much of that around for the Mac, though.