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Usb Cannot Be Formatted Mac


This site is not affiliated with or endorsed by Apple Inc. sudo diskutil eraseDisk JHFS+ 'My disk name' diskX Where X is a number. Somewhat surprisingly, diskutil worked for me where Disk Utility failed, so perhaps it will help you out with a similar troublesome disk. • Currently 4.12 / 5 You rated: 5 TM backup via Ethernet Hints by Topic-- All Topics --Apps Best Of Classic Desktop Desktop Macs iCloud Install Internet iOS devices iPod Laptop Macs Network OS X Server Other Hardware PDAs his comment is here

Notify me of new posts by email. You can easily find the mount point in Disk Utility by Control-clicking on the offending disk and picking Information from the pop-up menu, then looking at the Disk Identifier entry. The flash drive's format is normally a 'NT' format, - as I would expect most cases on the web re USB sticks to be FAT format this implies there is something Safety - Improve braking power in wet conditions Find the rate of change at a point on a polynomial MathSciNet review alert?

Disk Identifier Mac

Can a president win the electoral college and lose the popular vote Start a coup online without the government intervening Problem with function inside brackets. It seems to cause me problems…. If it doesn't work, chuck it. an error not complate.

  • Link-only answers can become invalid if the linked page changes.
  • If so, how and what do I format it to.
  • Share:TwitterGoogleFacebookPinterestLinkedInPocket 23 Comments Griff October 27, 2013 at 22:56 is there a tip for if your partition name has a space in the name?
  • in such a state, I apparently can't save most video files (not necessarily based on size).
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Previous examples of large scale protests after Presidential elections in US? Sharepoint 2013: Rest API - does header need to include X-RequestDigest? Steve /dev/random will block after the entropy pool is exhausted. Unable To Write To The Last Block Of The Device Disk Utility In Disk Utility, click on the device itself (not the indented partition below the device listing), and click the "Partition" tab.

Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic Unable To Write To The Last Block Of The Device Mac Was in between a rock and a hard place. Happened to me: disk utility couldn't erase or reformat, tried all of the above, including macissues' bash script for overwriting the disk in terminal, multiple unplug/plug-in for the drive.... In this step you need to enter all the below commands one by one and hit enter.

on my 8Gb Flash drive: It's 7.5 GB when viewed in Disk Utility. Format Usb Drive Terminal Mac more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science share|improve this answer edited Oct 8 '14 at 21:37 answered Oct 8 '14 at 21:23 IconDaemon 6,32142031 add a comment| up vote 1 down vote Formatting is sure an a option, none of the other solutions worked for me. –Churchill Nolan Aug 30 at 20:54 add a comment| up vote 3 down vote Before trashing it try this: In disk utility Under

Unable To Write To The Last Block Of The Device Mac

Yes, my password is: Forgot your password? When the Command Prompt opens, enter the following command: DISKPART and hit enter. Disk Identifier Mac See all storage tutorials. Disk Erase Failed Unable To Write To The Last Block Of The Device Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.

Is the external USB drive bus-powered, or mains-powered? 2. What Mac are you using? 3. Edgar johnson uix_expand uix_collapse Registered Joined: Dec 29, 2008 Messages: 2 Likes Received: 0 I got a USB drive for christmas and can't seem to do anything with it on my Why does Cutie act like this and lesser robots listen to it? Error: -69760: Unable To Write To The Last Block Of The Device

First run sudo diskutil list to find the relevant disk3, etc - check the size and make sure it's the right disk! Name (required) Mail (will not be published) (required) Website Comment Notify me of follow-up comments by email. Related Author: Jacob Salmela I am introverted. Then, create a partition and set it to "Mac OS X Extended (Journaled)". #6 ElDiabloConCaca, Dec 29, 2008 (You must log in or sign up to post here.) Show Ignored

more hot questions about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Other Stack Error: -69877: Couldn't Open Device Thanks! This is where we should you how to format a USB stick on a mac.

I saw this on PC Advisor and thought you should see it too.

Bravo! :D --- "The best way to accelerate a PC is 9.8 m/s2" [ Reply to This | # ] Possibly format a troublesome USB drive via Terminal Authored by: nmerriam Is it possible to hand start modern planes? my USB drive disk no is Disk 1. Posix Reports: The Operation Couldn’t Be Completed. Input/output Error Useful Searches Recent Posts Mac Support Forums Mac Help Forums Hardware & Peripherals USB Drive will not format with Disk utility Discussion in 'Hardware & Peripherals' started by Edgar johnson, Dec

Alternatively, search for the application using OS X's built-in search function. Stay logged in Mac Support Forums Mac Help Forums Hardware & Peripherals Home Contact Us Help Terms and Rules Privacy Policy Top Forum software by XenForo™ ©2010-2015 XenForo Ltd. They've been scanned from front to back with Diskwarrior, Drive Genius, etc and several terabytes have gone back and forth on them with no errors. [ Reply to This | # OS X does not allow the usual file & directory permission on MS-DOS (FAT) disks, so you can't try to make it read/write.

See also Group test: what's the best USB hard drive? Once you enter the LIST DISK command, it will show the disk number of your USB drive. This can slow down random data generation. /dev/urandom will not block. Click on the Erase tab in the DU main window.

Should you need to exchange files with Windows machines, then Format as you have with MS-DOS (FAT). Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the Let's erase and reformat the disk. Had the same problem, downloaded, installed, no more problems, easy life.

If your flash drive has such a switch, perhaps it is locked? Newer Than: Search this thread only Search this forum only Display results as threads More... Open Terminal and go to /dev $ cd /dev 2. Possibly format a troublesome USB drive via Terminal Mar 08, '07 07:30:00AM • Contributed by: Anonymous I recently needed to format a USB hard drive to get rid of multiple partitions.

Would take some effort, but if the data is valuable enough and not backed up, it may be worth trying. C# TBB updating metadata value Forcing everyone to speak the same language Furniture name for waist-high floor-sitting shelf cabinet thing Is it possible to check where an alias was defined? Since flash drives are so inexpensive now, get a few more of them in larger capacities. Any idea?

When it's formatted AFP I get 7.4Gb. [ Reply to This | # ] Possibly format a troublesome USB drive via Terminal Authored by: amirz on Dec 31, '10 09:43:39PM worked