Mac Pro :: Drive Cannot Be Seen In Disk Utility?

Jun 17, 2009

I was working in windows using mac drive last night and I opened a dmg which I found out later was corrupted. It didn't open in windows, and windows hung to the point that I had to do a hard restart. Once everything booted back up (it took forever, btw), I found that one of my HFS drives (not the one I was working on at the time, oddly enough) had disappeared from both windows and osx. I cannot see the actual drive in device manager or disk utility, and things like diskwarrior and data recovery 2 don't see it either. I know it sounds like the hard drive failed, but is it possible that a software crash could cause the physical drive to completely fail?

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OS X V10.7 Lion :: Disk Utility Can't Repair Disk (1 Partition) On External Hard Drive

Apr 24, 2012

I have a 2TB Western Digital My Book Studio FW800 external that has 5 partitions, connected to my 2011 iMac. I had help doing the partitions and don't really remember the reasoning, but one is just for my SuperDuper! backup, one is Miscellaneous, one for movie clips off my camcorder, one for misc scanned photo's and one for my genealogy research. I back up using Time Machine to a Time Capsule and also to this WD hard drive with SuperDuper! 

Recently I'm getting a pop up message that "Mac OS X can't repair the disk "Genealogy"'.  And it needs to be reformatted.  It's become a read only disk.  When I look in Disk Utility it shows all the partitions as "Mac OS Extended (Journaled)" EXCEPT for the one in question.  I also noticed that there are a lot of files with "date created" being the same date in 1969!  These files may be letters I've written or photo's I added to that partition within the last few years. 

I think I have to completely reformat the entire external hard drive to repair this, but I want to make sure.  Because it's going to be a major hassle backing it all up to another external (having to get one first) and then figuring out how to make the files that have turned "read only" in that one partition, back to their original state!  Does this sound right, that I have to reformat the entire external hard drive?  And how do I get the read-only files back to their original state.

Info:
iMac, Mac OS X (10.7.3)

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MacBook Pro :: External Hard Drive - Disk Utility Can't Repair Disk

Jun 27, 2014

I have a Seagate 1 TB Backup Plus Drive which was working perfectly fine until I plugged it into a USB hub. It detected it while in the hub and I was able to get files off of it, but when I ejected it from the hub and put it back into the USB slot on the computer it was not detected by finder. It shows up in the disk utility and I clicked verify and repair and it says:

Verify and Repair volume “Seagate Backup Plus Drive”
Checking file system
Volume repair complete.
Updating boot support partitions for the volume as required.

Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files. 

Is there any way to get this to work properly again? Or if not is there a way for me to recover my files on the external hard drive? 

I have a Macbook PRO late 2011 running OS X Mavericks.

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Software :: Installed Disk Utility And Disk Repair - Shows Network Startup But No Hard Drive?

Feb 22, 2010

I ran installer then went to disk utility and pushed disk repair. it ran and indicated in green that no repairs were necessary. i then went to startup disk and only the Diks and network startup showed up but no hard drive. i also open computer to make sure was not wet muddy due to leak in cooling system but all was dry

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OS X :: Using Disk Utility To Verify USB Drive Attached To TC

Jan 7, 2009

I have an USB external HD attached to Time Capsule. Trying to find out how one can use diskutil to do a verifyVolume on this drive. I tried something like: diskutil verifyVolume /Volumes/myDrive but it didn't work. The command is (naturally) ok with an USB external HD attached to the USB port on the Mac itself.

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MacBook :: Disk Utility Cannot Find New 320 GB Drive

Feb 13, 2009

I'm fairly Technical, I just can't seem to figure this one out. I own a 13 Inch Macbook with the stock 120 GB HD. It was purchased this past September 2008. I bought a new HD from Newegg. Here is the link to the HD. [URL]

I read the reviews, and more than 20 reviews I read said this HD worked perfectly in their Macbook.
-So I received the HD yesterday
-I put it inside my laptop
-I put in the OSX install CD
-I powered up and held down C and booted into OSX Installer
-From the menu I selected Disk Utility but the hard drive does not show up as listed hard drives

After all attempts failed, I put the disk in my windows machine as an extra sata drive, and it booted perfectly fine, so I know the disk is ok. Some other thoughts?
-The difference between the stock and new HD is size and also 1.5 GB vs 3.0 GB Transer rate
-Does my Macbook need a firmware upgrade - I doubt this, but just a thought
-Does the Macbook not recognize unformatted disks - I doubt this too.

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Hardware :: Disk Utility Would Not Format The Drive?

Mar 26, 2009

Despite the dire warnings about the Seagate drives that I read all over the place, I decided to buy this drive. Dell had a great price of $129 with free shipping.

It is going to supplement existing storage capabilities as a secondary backup so I'm covered if the drive does experience any of the problems that others have experienced. So far the drive is running great. I have copied nearly 800GB of data to it with no issues. I have the drive connected to an AEBS. I have been able to stream movies from the drive with no problems. It looks like Seagate has resolved the firmware issues that have plagued the drive in the past.

My only issue was that it was a bit of a pain to reformat the drive. For some reason disk utility would not format the drive until I created and then deleted two partitions.

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Mac Mini :: Using Disk Utility To Duplicate The Drive?

May 13, 2009

I have heard or read somewhere on this forum that you can use Disk Utility to Duplicate your internal hard drive to another drive, how can you do this.

I have the stock 320GB 5400 RPM drive and I want to put in my 320GB 7200RPM with 16MB Cache, but I would rather not load and reload all the software, so how can I move the data from Stock to the new drive.

I already partitioned using GUID and erased the new 320GB drive in an external enclosure which is where the drive is sitting now connected via USB to my MINI.

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OS X :: Formatting USB Drive Under NTFS Using Disk Utility?

May 18, 2009

I have a USB key and would like to format it under NTFS, under Disk Utility, there isn't that option. I don't really have time to google this, does someone know what to do? Is there a console command to do?

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Mac Pro :: Unable To See Hard Drive In Disk Utility?

Aug 5, 2009

I ordered a second hard drive for my powermac g5.Its a 400 gig seagate drive.I power off my machine,unhooked everything and plugged in the drive.

I boot up and the drive isnt showing in disk utility.Is it something i did?

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OS X :: External Drive Disk Utility Erase?

Nov 7, 2009

i just erased my external hard drive through disk utility my accident. I had VERY important files and the 1tb was full.

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OS X :: Formatting USB Hard Drive Without Disk Utility?

Dec 11, 2009

I've got an 8GB Sony Micro Vault Pen Drive that's stopped working. When I opened up Disk Utility it appears but doesn't give me the option to erase.

Can I try doing it with anything else before I bin it and buy a new one.

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OS X :: Hard Drive Backup - Do Not Have Disk Utility

Jan 4, 2010

I am going away traveling and need to back up all my stuff off of my mac for the first time.. (pics, music etc the usual). I brought a WD Elements 500GB External Hard Drive and when I plug it into my mac book (OSx) it appears in finder, and the desktop but I can't drag and drop nothing into it. Apparently I have to format it! So have researched about formatting it, but I don't have "Disk Utility" in my utilities? My Mac was given to me from a friend second hand so i don't have the disks etc to get it. Any other way of formatting my Hard drive or a link to download disk utilities or any alternatives!

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MacBook Pro :: Disk Utility Can't Fix Hard Drive?

Jan 19, 2010

the past couple of days my new macbook Pro (only had it a couple of months) has been really slow to boot, with a grey progress bar that I have never seen before. I googled it, and you all know what i found.

So I ran the disk utility, and selected analyze or whatever the button is, and it said I should load it from the INstall DVD, as the disk needs repairing.

Guess what. The disk cannot be repaired.

An error message about expecting 31 files but only finding 30?
It recommends erasing the disk and reinstalling from scratch.

Now, as far as I can see, apart form the slow boot times, everything else still works. Does this mean that it is just a ticking time-bomb that will break any time, or is just a couple of corrupt files that don't matter?

This is really annoying, I love my Mac, but having to reinstall so soon after purchase?

Apologies if there any other posts on here already, it is late, I am stressed, and would like a nice person to help me out.

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OS X :: Disk Utility - Formatting A Partition Without Erasing The Whole Drive?

Mar 31, 2009

I've been backing up my Powerbook G4 for a few months using Time Machine to an external firewire drive with two partitions; one for the backups, and a much larger one for all my music, video, pictures, etc. I got a new mac mini over the weekend and I want to format the Time Machine partition without erasing the one with all my other files so I can start backing up the Mini.

Is this possible using Disk Utility? If so, how?

Both computers are running Leopard.

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OS X :: Disk Utility Refuses To Format Drive As FAT32?

Aug 19, 2009

I've got an external drive (320GB) that I'm trying to format as FAT32 using Disk Utility, then create a large (as in, most of the drive) HFS partition.

The problem is that no matter what I do, it will only format the drive as Mac Journaled. It lets me select other options (Mac, FAT32) and goes through the process with no errors or warnings, but when I click on the drive it remains Journaled with a partition of whatever I just selected.

I am sure beyond the shadow of a doubt that I am selecting the drive itself, not the partition, when formatting. This is extremely frustrating. Google searches aren't turning up any clues and I don't know what to do.

I have other external drives formatted as FAT32 with a large Mac partition so I know it's possible.

I need to do this so I can mount the drive on a Windows machine.

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OS X :: Disk Utility Partition Erased Hard Drive?

Nov 12, 2009

I was making a partition on my USB external drive in order to put a disk image of Snow Leopard on it, so I could boot off of it.

I added a 10GB partition to the drive, and clicked Apply. The following dialogue box came up:

Partitioning this disk will change some of the volumes. No volumes will be erased.

This volume will be added:
"Snow Leopard"

This volume will be resized:
"XXX HDD"

I clicked Partition, and it finished very quickly. I checked Finder, and the entire drive, BOTH partitions are completely empty.

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OS X :: Won't Show External Drive / Visible In Disk Utility

Mar 11, 2010

My PowerBook G4 crashed and I need data from it. I already had bought an external drive and had begun loading some fotos and music. Now I'm at a friend's Mac, firewired and all, and the external drive (visible in the disk utility) isn't to be found.

I don't want to erase and reformat, obviously, ... can I drag it onto the desktop from the disk utility?

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MacBook :: Won't Recognize New Hard Drive - Even In Disk Utility

Apr 13, 2010

My macbook hard drive crashed, luckily I had just backed up everything. I went and bought a new 320 GB hard drive, I researched and I know it's compatible with my Macbook. I decided to install windows 7 on it first, but the windows 7 installer wouldn't recognize my hard drive. (For the record, my Matsushita superdrive will not read DVDs anymore, only CDs, so I created bootable copies of both my Mac OS X install disk and my Windows 7 install disk, and I've been using a bootable rEFIt CD to boot from my USB flash drive.)

So I booted up the Mac OS X Snow Leopard disk and started disk utility - it recognizes the rEFIt CD, it recognizes the flash drive, but no internal hard drive. The partitioning tool in rEFIt doesn't recognize it either, but I know it's seated correctly because I can hear/feel it booting up with the computer (if i remove the battery and boot with the computer plugged in). I also know it works correctly because I installed it in my girlfriends PC and it recognized it just fine, I even installed Windows 7 on it, hoping the macbook would boot from it.

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MacBook Pro :: Can I Use Disk Utility To Clone Old Hard Drive To New MP?

Apr 18, 2010

Can I make a disk image of my current MB Pro (early 2008) and copy it to my new i7 MB Pro to retain all my docs and programs?

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Hardware :: Can You Format A Hard Drive For PC With Disk Utility?

Jul 23, 2010

I'm selling a hard drive that doesn't work when formatted for Mac so I need to sell it PC format. Will MS-DOS (FAT) work, and does it need to be set to Master Boot Record?

I have a PC I can test it on but I just want to now what to do before I try it out so I don't keep having to switch between computers.

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MacBook Pro :: Disk Utility Does Not Detect Hard Drive

Aug 2, 2010

Just installed a new HDD into a macbook pro that was dropped. Seems fine, loads the disk and then says it can install the OS, i load up disk utility and theres no hard drive int he list just the optical drive and the DVD, its not the disk that came with the mac itself its either my proper retail one or the one that came with my personal older macbook which might be the issue. Ive taken apart and reconnected the HDD and all seems fine internally. Are there any issues that cause this except not using a full retail disk which im going to try later on, just wanted to rule everything else out.

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PowerPC :: Disk Utility Can't Find New Hard Drive?

Aug 18, 2010

I have a dual 1.25 ghz MDD Powermac G4. It was working fine until a couple of days ago. It froze up, I restarted it. I got a blank blue screen.

Also, the computer made some awful clicky noises that I've never heard before.

I booted from the OS X installation CD. Disk utility lists the WD1800 hard drive, but I can't do a re-install and there's no option to repair it.

I can't erase or partition it because when I try, I get a failure message saying it can't be done ("chosen size not valid for chosen filesystem"). The HD is listed in system profiler... with a capacity of 0 bytes.

I assumed that the hard drive had died, so I went to a local PC shop and bought the only IDE drive they had (a Maxtor 6l250r0). I installed it, then booted from the OS X CD.

I know that new hard drives need to be formatted, but I assumed that this could be done with disk utility.

But disk utility can't find the new hard drive, doesn't list in the left column. It shows the optical drives and the install CD and the old WD hard drive which can't be erased or repaired, but no new hard drive.

It's not listed in the system profiler, either.

I checked the cable connections and tried installing it in the front carrier rather than the rear, but nothing works - disk utility and system profiler can't recognize it.

The only other desktop mac I have access to right now is my old 450 mhz Sawtooth G4. I tried putting the HD into the sawtooth and got the same results - disk utility and system profiler can't find the new HD at all, but has no trouble finding the old 20gb HD and the DVD and zip drives.

I'm... not really sure what to do here. Am I doing something wrong?

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Hardware :: Using Disk Utility/unable To Repair Drive?

Jan 24, 2010

I HAVE AN EXTERNAL 1TB LACIE FRIVE AND I UNPLUGGED THE DRIVE IN ERROR AND NOW DISK UTILITY SAYS UNABLE TO REPAIR DRIVE AS FOLLOWS

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Intel Mac :: Disk Utility Can't Find Hard Drive

May 7, 2012

I had to power off my iMac by Pressing the power key and holding it several times over the last few weeks. The last time it wouldn't reboot - I'd just get an apple icon. When I tried a safe boot I'd get the icon and it would change to a no entry sign.Next I started up from the snow leopard installation disk with the intent of repairing the iMac disk. The installation disk worked but when I opened disk utility it only found the installation disk. It didn't find the iMac disk.

Info:iMac, Mac OS X (10.6.5)

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IMac (Intel) :: Disk Utility Can't Format USB Drive

Aug 22, 2014

I've got a Transcend 8GB usb drive and i want to erase everything on it but i can't. I know that the best way to do this is the Disk Utility (Because Finder can't erase them too. When I drag and drop to the bin, it says "43 files cannot be deleted") 

When i attempt to format, this message appears from disk utility: and also, another message appears at the same time.I just wanted to format my disk. But i can still see the content in the disk. But can't copy them to desktop. 

Info:
iMac, Mac OS X (10.6.8), iMac G5 from 2005, but it's intel.

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Mac Pro :: Toshiba HD 2tb Drive Isn't Found In Finder Or Disk Utility

Jun 1, 2014

I have used this drive for a little while now.  It now won't be read by a my Mac Pro or iMac.  I'm about ready to take the drive apart.  I have tried all USB ports and different power sources.  The blue light comes on the drive, the drive spins, but the computer won't read the drive...

Info:
Mac Pro (Late 2013), OS X Mavericks (10.9.3)

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MacBook :: Replacing Hard Drive - Nothing Show Up In Disk Utility

Aug 31, 2010

The HDD in my wife's black MacBook (2007, I think) won't boot up. I've run Disk Utility and have decided it's pretty much dead. I have a Carbon Copy backup, so the data is fine. I've tried replacing the drive twice now, and the MacBook simply won't "see" the new drives. When I install the drive, nothing shows up in Disk Utility (run either from the install disc or the Carbon Copy backup drive in a USB enclosure).

The new drives are formatted (I even copied the bootable backup to one of them), and the computer sees them just fine if I install them in a USB enclosure and hook them up that way. When I put them in the computer, though, no dice. Her old, corrupted HDD still showed up in Disk Utility when I reinstalled it, but the new drives don't.

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OS X :: External Hard Drive And Disk Utility Erase Options

Oct 17, 2010

I have an external hard drive that was used on a PC. I want to use it on a Mac. I went into disk utility and did an erase. (Extended Journaled and in security options changed it to zero out data). I can now use it on the Mac how ever it is telling me that there is 54.1 MB of used space. I want to have access to this. How do I do it?

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Hardware :: Will Disk Utility Partitioning Erase Hard Drive?

Dec 19, 2010

I have a hard drive with about 250 gb of film and music on fbut it's formatted as HFS+ which windows cant read! I need to partition the drive to make windows be able to read at least a portion of it. But If I run disk utility and create a partition will it erase the info I already have on there? I don't have this data else where so I hope it wont!

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