but if its too big why does the process of formaying started.... The drive was preset as the bottom button PC formatting and you have to chose the middle button which is for Mac. Is FAT limited in its capacity. I formated my HDD from hfs to fat.
Thanks again. I connected my 'My Book' to another hard drive (LaCie) with firewire and then it does work. It is still connected to my mac with firewire 800, and with the other hard drive with firewire 400 (it's an older hard drive).
View all 114 comments Report emurphy- May 26, 2008 12:35PM I want to say THANK YOU for posting how to format a WD 1TB drive for a Mac. Somebody knows how to do it for the LaCie XtremKey USB3 pendrrive? Report benissimo- Dec 24, 2009 12:48PM Thanks, this worked for me too with an Iomega drive I wanted to reformat from FAT32 to HFS. Mac Disk Utility Partition Failed Thanks a lot.
Of course if the drive truly is damaged this will not help. Disk Utility Partition Failed Couldn't Open Device Running "diskutil list" (A) will show the drives and corresponding partitions. THIS IS THE KEY: There are 3 radio buttons in the popup window for formatting options. navigate to this website share Share on Twitter Share on Facebook Email Link Like + Quote Reply Small White Car, Jun 27, 2014 Small White Car macrumors G4 Joined: Aug 29, 2006 Location: Washington DC
Reply ↓ Larry August 1, 2015 at 8:05 pm Hi, Jefferson, this is something I have tried, multiple times. Disk Erase Failed With The Error Couldn't Unmount Disk Eject and hope someone has a solution for me!!!!! I was just wondering what is the difference between the two options "Verify Disk" and Verify Disk Permissions"- what exactly do each of them do? can anyone shed some light on this?
We have regular Time-machine backups. http://www.mac-forums.com/showthread.php?t=301015 The trashy software that came with it, as many others attest, should simply be overwritten and forgotten. Disk Utility Partition Failed With The Error Couldn't Unmount Disk Navigatie overslaan NLUploadenInloggenZoeken Laden... Disk Utility Partition Failed File System Formatter Failed Seems an odd way of going about it, and i'm still unsure as to why I couldn't select that options button in the first place, but hopefully this may come in
HGST is a WD company. (To respond to someone's point.) The WD 3 GIG drive that has been written about is advertised that it is for Mac, so it would be http://applecountry.net/disk-utility/disk-utility-partition-failed-with-error-resource-busy.php Is it worth formatting to a OS X format, and then not being able to open on easily on a Windows machine. 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". Let us know if this works. Disk Utility Partition Failed Unable To Write To The Last Block Of The Device
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). What model and vintage Mac are you working with? Reply ↓ heavyshark December 16, 2015 at 3:40 pm Trying it again as fast as I can? get redirected here An then such last error message for all consecutive trials.
Jason M. Disk Erase Failed With The Error Couldn't Open Device Firewire) are able to properly format through those connections.Furthermore, people who were able to format the drive through alternative means have found the drive to start working normally, indicating a problem THANKS!
When I finally was able to boot, the WD drive had disappeared. 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 It works! Erase Process Has Failed. Press Done To Continue It thought for a while, then refused to do it.
Reply ↓ Tim November 2, 2014 at 10:27 pm congratulations! Report skidmedia- Oct 31, 2008 07:59PM Let me add my "thank you" to all of the others!! But you can change that setting. useful reference Report SNOW- Aug 11, 2009 08:16AM YOU ARE THE BEST MAN !!!!!
Reply ↓ Pants McBrain December 15, 2015 at 7:10 pm Worked like a charm! or with one of the utilities mentioned in OS X. Though drive defragmentation is controversial, I've found it to be useful. Hmm...
Report dukekj- Jun 28, 2010 08:50PM can you partition a mybook that already has a bunch of data on it? Almost went crazy with this thing!! These allow programs to interact directly with the device, so for instance you can use a filesystem manager like the "diskutil" command to get information on, or fix a device. A small, bus-powered external drive did not do the harm.
Took me a considerable amount of time and searching to figure out how to get it back to a state where I could even try to reformat it, and this particular The seagate drive, before formatting for the Mac, had tons of PC .exe software that it wouldn't even let me throw away. Jun 16, 2012 I just bought a macbook air, and I want to know how to request the new mountain lion os? Thanks for your answer Topher.