Home > Hard Drive > Can't Format External Hard Drive Mac

Can't Format External Hard Drive Mac


How EXACTLY can +=/-= operators be interpreted? Send us an email b. To access these, turn on your Mac and hold the Command and R keys, simultaneously, immediately after you hear the start-up chime. Indented names are visible partitions on the drive above.Depending upon what your booted from, depends what options on the right are enabled.For instance I'm booted from my Macintosh HD partition and have a peek here

But anyways, my problem. (I don't think it's a hardware-specific problem.) A couple of days ago I restored Mountain Lion's InstallESD.dmg to an external 8GB USB drive without problems. Have at least one of those backups off site to protect against theft, fire, hackers, malware, estranged persons etc.#4 Rule. Actually I think the reasons are different: here probably a degraded hdd, there a wrong EFI size and therefore an unreadable or partly overwritten HFS+ volume. Machine specific has free iLife, not on 10.6.3 white disks. https://discussions.apple.com/thread/5309729?tstart=0

Can't Format External Hard Drive Mac

Browse Photos on PhotoDuneFollow Envato Tuts+© 2016 Envato Pty Ltd. Yes No Voted Undo Score 0 Cancel Comments: I can't locate a "debate 500gb 7200", please give specifics on this drive. 03/10/2011 by mayer Sorry it is a Seagate 500gb ST We're trying to find the best answers and those answers will provide info as to why they're the best. I was on Mountain Lion's lovely desktop.

Loading... This site is not affiliated with or endorsed by Apple Inc. Why is Professor Lewin correct regarding dimensional analysis, and I'm not? Formatting Internal Hard Drive For Mac Nick Adams 2,773 views 3:49 Deleting Everything Off a Mac : Macs & Apple Computers - Duration: 2:47.

You will see the same thing if your hard drive suffers a catastophic failure. Can't Format Internal Hard Drive Mac Your Mac will then try to connect to the internet so that it can download the OS X Utilities back to the hard drive. Try our newsletter Sign up for our newsletter and get our top new questions delivered to your inbox (see an example). https://www.ifixit.com/Answers/View/46452/New+hard+drive+will+not+format Tip: If you attempt to reinstall OS X onto an existing partition without first erasing it, OS X will reinstall the operating system files and your user files will remain intact.

FAT 32 is the most compatible disk format which is why it's the most widely used on USB thumb drives -- it's compatible with both Mac and Windows PCs. Wiping Volume Data To Prevent Future Accidental Probing Failed So what should I do? I've tried all the instructions that I could find, but still no luck.Instructions examples: 1) Go into disk utility and erase the hard drive.Problem: when I do that, it doesn't let The option key held at boot gives you Startup Manager, which gives you a choice of bootable options provided the boot cd is inserted obviously.If you didn't wait for the cd

Can't Format Internal Hard Drive Mac

http://superuser.com/questions/449534/osx-cant-create-a-partition-because-drive-is-locked/496744#496744Click to expand... http://apple.stackexchange.com/questions/105673/disk-utility-wont-unmount-hd-for-formatting OSX Utilities > Disk Utility For OS X versions preceding and including OS X 10.6 Snow Leopard, you will require either the grey OS X installation DVD that shipped with your Can't Format External Hard Drive Mac Erasure security / speed options There are four security options, ranging from fastest and least secure to slowest and most secure. How To Format Macbook Pro To Factory Setting It's a troubleshooting environment to repair, reinstall, erase and install OS X.

Disk Utility said that there were no problems. http://pgexch.com/hard-drive/cannot-access-my-external-hard-drive.html I've tried all the instructions that I could find, but still no luck.Instructions examples: 1) Go into disk utility and erase the hard drive.Problem: when I do that, it doesn't let Especially if you are selling or passing on your Mac to someone else. This option is a DOE-compliant 3-pass secure erase. How To Reformat Macbook Pro To Factory Settings

In this case, reboot your Mac and hold down Command and R immediately following the start-up chime. This failed miserably. Backup your data before proceeding. Check This Out I can not emphasise this strongly enough.

Now all you have to do is quit Disk Utility and install OS X using your AppleID and password right from Recovery HD or Internet Recovery your already booted into.You will File System Formatter Failed MacRumors attracts a broad audience of both consumers and professionals interested in the latest technologies and products. Hide Question All replies Helpful answers by mende1, mende1 Sep 15, 2013 3:12 AM in response to Steve_13 Level 10 (93,351 points) Desktops Sep 15, 2013 3:12 AM in response to

It can be erased from another bootable medium or volume with Disk Utility on it and a ability to install OS X back on.You can also clone this partitions data (and

Privacy Policy Terms of Use Sales and Refunds Legal Site Map Contact Apple Open Menu Close Menu Apple Shopping Bag Apple Mac iPad iPhone Watch TV Music Support Search apple.com Shopping Loading... Cancel Add your answer Jim Young will be eternally grateful. Unable To Write To The Last Block Of The Device Browse other questions tagged macos hard-drive disk-utility or ask your own question.

Either way, you’ll need your Mac OS X installation DVD that came with your Apple system, as you’ll be booting your computer from this disk to reformat your internal drive. For Snow Leopard, or earlier, insert the appropriate DVD then press and hold the C key immediately after the start-up chime. See How to Answer on how to provide a quality answer. - From Review –fsb Sep 29 at 13:18 add a comment| Your Answer draft saved draft discarded Sign up http://pgexch.com/hard-drive/unable-to-format-external-hard-drive.html In this tutorial, I will show you how to reformat the hard drive in your Mac and reinstall OS X for that factory fresh finish.

hard-drive partition share|improve this question asked Mar 25 '15 at 20:28 MattM86 31 add a comment| 1 Answer 1 active oldest votes up vote 0 down vote accepted We just has Reboot and Software update to 10.6.8, then reinstall 10.7+ from the AppStore using your AppleID and password. macos hard-drive disk-utility share|improve this question edited Mar 25 '15 at 16:50 bmike♦ 117k38203445 asked Oct 18 '13 at 16:14 Kray 73114 @bmike Since it's unclear, if it's really You can not post a blank message.

Not the answer you're looking for? asked 3 years ago viewed 92107 times active 1 month ago Linked 3 Can't erase unmountable external HD Related 0Partition issues after deleting Core Storage Logical Volume Group.