OS X :: Cannot Erase And Reformat Drive
Feb 3, 2009
I recently tried to install a back-up copy of Leopard onto a USB hard drive, as a precautionary measure if my drive ever did die. I had partitioned my drive into 3. One for the Leopard Boot (Mac OS Extended Journaled), one for Apps (Mac OS Extended Journaled) and one for files (FAT 32).
The installation pooped out on me, probably due to the amount of free space available.
Earlier this week, I decided to reformat the drive into 1 partition. Unfortunately I ran into a spot of bother....
Click for full size - Uploaded with plasq's Skitch
And when running First Aid - I get this:
Click for full size - Uploaded with plasq's Skitch
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Aug 14, 2010
I have the Seagate Momentus XT and I have a quick question. If I reformat the Hard Drive portion does that erase the SSD side as well? If not how do I erase the SSD side of it.
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Jun 13, 2010
I recently bought a macbook pro and am making the transition from a pc to mac. It's all gone well so far, but I'm not sure what to do with my music. I currently have about 200 gb of music on my external hard drive (connected to my pc.) The internal hard drive on my pc does not have space to accomodate the files on my external.
I do not have the "Copy files to iTunes music folder" currently enabled because my internal doesn't have space. (And I like having the original music files in a separate location as I have over 30,000 songs). I don't know how to transfer my external and music to my macbook, since I will have to reformat the drive (which would erase everything on it, therefore I somehow have to make a backup either on my mac or on my pc. but what to do about the iTunes .xml file and iTunes folder on the internal pc drive??).
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May 11, 2010
I plan on buying a new MBP this week and I am going to sell my old macbook to a friend of a friend. I seemed to have misplaced my Snow Leopard discs somewhere and was wondering if I could use the new disks with my new computer to reformat my drive? If not, are there any other options short of paying $30 to re-buy SL for this machine?
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Nov 7, 2010
Is this posible? Could I use it as a normal USB drive?
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Oct 1, 2009
I have a WD Passport Portable hard drive which I use as a Time Machine for my iMac.I'm close to filling it up and I will be getting a bigger hard drive for it.I would like to use my WD hard drive again on my daughters PC so she can save her school work. I know it needs to be re-formatted to work with a PC again but I dont know how to do it.
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Jan 18, 2010
On my vista / xp machines, I have several external hard drives, Seagate, WD, HP, and 1 enclosure kit which contains some old internal hard drive.I don't really need all these drives on my VISTA/XP machines, as I'm trying to migrate to MAC.
I mostly use my mac for photos & creating home movies. So backing up the priceless pictures of my kids is critical.Do I really need to buy a MAC based external hard drive? or can i simply reformat one of my old drives to use on my mac. I know macs have their own file system (as pc's have fat32&ntfs).
Will apple time machine work with a generic re-formatted external hard drive.I also notice their are fewer choices for MAC ready external hard drives ...less specials than PC based externals.
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Feb 5, 2012
How do I reformat my hard drive?
Info:MacBookPro, Mac OS X (10.6.8)
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Feb 16, 2012
How do you reformat a MacBook Pro (OS X 10.7.3) 2011s Hard drive? I already backed up all the files I wanted to save. But since I have the new Macbook pro 2011 (only a few months since I got it) it didn't come with an installation disc, but instead already came with all the applications. I'm wondering how to reformat the hard drive so it wipes out everything and I can start fresh and what would happen to all the applications?
Info:
MacBook Pro, Mac OS X (10.7.3)
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Feb 17, 2012
I need to reformat a drive and reinstall the OS. I and using Avid Media Composer and it is not qualified on 10.7.3. How can I install 10.7.2 of a new drive?Â
Info:
Mac Pro (Mid 2010), Mac OS X (10.7.2)
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Aug 31, 2014
I have a 1 TB Lacie external drive. it was originally formatted as Mac OS Extended (Journaled, Encrypted). It also might have been formatted as a bootable drive, but I am not certain. Today I mounted the drive, entered the decrypt key and want to re-format the drive as Mac OS Extended (Journaled). I am using Disk Utility to do this. When I click on Erase within Disk Utility, I get this error: I am using Mac OS X Mavericks. how to fix this so that I can re-format the drive?
Info:
iMac (27-inch, Late 2012), OS X Mavericks (10.9)
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Sep 28, 2010
I have 2 WD External Hard Drive Im trying to copy files from one to the other it wont let me because its read only..
If i Reformat the one with the files so i can copy it using my imac would i lose my files in there?
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Jul 16, 2008
I've never done anything but plug a HD in and get right to work. Now that I've got an Apple, I'm a total nervous Nellie.I just got a WD external hard drive that is FAT32. I understand that the Mac can read/write this format. Would you recommend that I change it to HFS+ or should I leave well enough alone?
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Feb 19, 2009
I recently bought an external hard drive enclosue and have an old hard drive from my Dell. Can I use Disk Uitlity to reformat this drive so I can use it as storage for my macbook. If not I have Windows booted on there at I will use that to reformat it.
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Aug 29, 2009
I can't install Snow Leopard because my hard drive doesn't have a Guid partition scheme. how do i reformat my drive without losing all my info.
P.s. I'm backing up my hard drive now to and external drive with carbon copy cloner.
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Apr 28, 2010
I have a SimpleTech external HD that I want to reformat from PC to Mac. I went to disk utilities and selected "erase", but it will not erase the HD so that I can reformat it.
I have since attached it to my PC, but do not know how to erase/reformat on a PC (I'm a Mac user that only uses my PC for running specific programs). How can I erase this hard drive and reformat it?
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Mar 27, 2012
how do i reformat the hard drive on my macBook Pro 10.5.8 - dvd player doesn't work - otherwise what is the best way to delete stuff off the hd I want to keep the os on it.
Info:
MacBook Pro, Mac OS X (10.5.8)
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May 13, 2012
I have been using my Seagate external hard drive for movies on my Windows PC and now I have a MacBook. I want to add more movies from my Macbook to the hard drive but it's read only. I want to drag these movies to the harddrive without loosing what's already on there. Can I reformat without loosing everything?
Info:MacBookPro
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Jun 29, 2012
I purchased an external hard drive ( a Seagate 2 TB Expansion Desktop Drive) and was told by the MAC rep in the store to perform the following simple task to reformat the disk so I could drag and drop files from my iMAC and store them on the external hard drive:Â
1. Go to Disk Utility
2. Choose the External Hard Drive
3. Select Erase
4. Select MAC OS Extended (Journaled)
5. Click on Erase buttonÂ
Unfortunately when I do this, I get the following error: Disk erase Failed with Error: File system formatter failed? I have Mac OS X (10.5.8)...
Info:
iMac, Mac OS X (10.5.8)
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Aug 28, 2014
I've been having problems booting into my OSX partition. At the time it started I wasn't using my Macbook Pro (Late 2009) very often so whenever I needed I just booted up into my BOOTCAMP partition. Anyways, I decided to finally stop being lazy and do a clean install. There's nothing on either partition of the same hard drive that I want. I put together a bootable USB drive and boot from it. From here I go to the Disk Utility and try to erase the entire drive. It gives me this error: URL....
Now, that's not a screenshot from my mac but its the exact same error. Anyways, I've tried to find something on point but I just can't. Some posts have stated that the hard drive is broken, but if that's the case why can I start up the BOOTCAMP partition of the exact same drive flawlessly? I can even manipulate files on the OSX partition from Windows 7.Â
Info:
MacBook Pro, OS X Mountain Lion (10.8.1)
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Jul 22, 2009
I try erasing it again and making sure it is formatted for MSDOS and still no luck. So I try partitioning and that is also no luck. 1 part for mac, other free space because no windows option was present
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Mar 29, 2009
I have a Western Digital 500gig external hard drive (model wd5000c032) which I'd like to completely reformat to use with my macbook pro and Time Machine (running os 10).As it is now, my mac can only use 147 gigs, and often gives an error message saying it needs additional space to backup. It was previously used on a pc to hold pictures, but I doubt it used anything near 357 gigs for that.
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Aug 28, 2009
I am looking for a used Mac for my folks, and someone has posted an imac that they have converted to a PC, having change the master boot record. They say I have to take it to the apple store to get it changed back, but couldn't I just start it up in target disk mode, and reformat the internal drive use carbon copy cloner or something like that?
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Jul 7, 2010
Yesterday I reformatted my Macintosh hard drive, partitioned it, installed Snow Leopard on one partition and Windows 7 on the other. I installed all the drivers for Windows 7 from the Snow Leopard disc.
When I plug in my 1TB Seagate external hardrive it's not showing up in Snow Leopard or Windows 7. Not even in Disk Utility. I tried plugging the external drive into my Windows laptop and a pop-up comes up saying "USB Device Not Recognised. One of the USB devices attached to this computer has malfunctioned, and Windows does not recognise it." I think that this may just be because it's formatted to Mac OSX?
The hardrive had all of my photos, videos and music on so I hope it's salvageable. I find it hard to believe that the hard drive malfunctioned at the same time I reinstalled the software onto the iMac.
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Feb 5, 2012
I purchased a Toshiba Canvio 3.0 external hard drive and I need to reformat it to work with my Mac.
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Feb 18, 2012
I have an external hard drive upon which I put movie files that I view through a Sony box (like the Roku box). I brought my MacBook in for a repair and connected the same external HD and used Time Machine to make a back up. It did reformat it in order to do so, but since the Sony box isn't a pc or mac I didn't think it would make a difference, but now the Sony box won't recognize HD. Is there a way to reformat it on my MacBook so that I can use it on the Sony box again, or do I need to reformat it with a Windows computer? I had no issues when transferring files only and using the Sony box.
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Feb 19, 2012
My Mac OS X Version 10.5.8 is 3 years old. I am having major problems with it. For the past 3 weeks now, everytime I try to use the Creative Suite 4 applications, the computer locks up...spins and spins and spins. I force quit when I can and oftentimes I cannot. I ran the disk utility from the Installation Disk and ran disk repair. The message that I received was a minor one but the problem continues....Vol Bit Map has minor problems. Does reformatting the hard drive is a good idea? It seems that I can get online with no problems. I have backed up all important files and am ready to reformat but want to make sure first that this option is the only one I have.
Info:
iMac, Mac OS X (10.5.8)
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May 19, 2012
The volume Macintosh HD was found corrupt and needs to be repaired. It's asking to run a recovery. Is this going to erase everything??Â
My storage says it's using 434GB of other. Whatever other is.....did I get a virus?
Info:
MacBook
Pro, iOS 5.1.1, Storage/Repair/Disk Utility
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Jun 24, 2014
I recently purchased a 3TB Seagate® Expansion® external hard drive for PC. My plan is too reformat it so that I can use it, but it has been acting wierd on me. It says on Disk Utility that it is 4 gbs but I have a 3TB one. Im on OSX mavericks by the way.
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Apr 15, 2012
How do I reformat my external hard drive with Mac OS extended using desk utility?
Info:Mac Pro, Mac OS X (10.5.8)
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