Hardware :: HDD Won't Format - Can't Repair Disk?
Dec 31, 2010
i connected my HDD to my iMac and i had it format. Later on today, i had to use it on my Windows machine, and it asked me to format it which i did, but now my HDD is messed up i think. It will no longer format and when i open disk utility it reads it, but as i try to format it formats and then i try to check for disk errors, it gives me errors, adn then it asks me to repair the disk. i do, but my iMac tells me it cannot repair the disk. i tried using the OSX installation disc as well. i even tried formatting the HDD on my Windows using the My computer> Manage Disk....no good... i get a message saying it was unsuccessful. what's wrong and can this be fixed?
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Jun 2, 2012
Disk Utility says there are a bunch of disk permissions that need repairing. I hit repair and disk utility says that it repaired those disk permissions. But when I verify, it says they still need to be repaired.
Info:
Mini 2.4Ghz, Mac OS X (10.6.8)
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Nov 25, 2009
I am trying to repair my disk so I can install bootcamp, but when I reboot my machine and run disk utility and choose repair disk, it hangs. Does anyone have any ideas ?
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Apr 11, 2010
I am considering purchasing diskwarrior but want to make sure it can help my situation before I purchase it. My imac will not boot from the internal hard drive (Intel processor) When I use disk utility to try and repair the disk, I get error messages and it won't repair. I can see the HD but cannot repair it. When I connect using target mode with my mac book pro, the hard drive does not appear on my host (macbook pro) computer. I have reloaded OS X (Leopard) onto a firewire external drive and can boot my imac that way but I can not find my original internal Macintosh HD. Will disk warrior be able to help with this scenario. I would really like to access that internal Macintosh HD and retrieve my files.
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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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Jan 2, 2010
Running Diks Util on my iMac 10.6.2. i am given this warning.
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Warning: SUID file "System/Library/CoreServices/RemoteManagement/ARDAgent.app/Contents/MacOS/ARDAgent" has been modified and will not be repaired.
Is it something I should heed and what to do in that case?
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Feb 28, 2009
I'm trying to repair my hard drive. I restarted from the OS X Mac Mini install CD (holding down the letter C when I heard the chime), opened Disk Utility from the Utilities folder, selected my hard drive image, but the "verify disk" and "repair disk" options are grayed out. I'm at a loss as to how to proceed.
Information:
Mac Mini
Mac OS X (10.5.8)
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Aug 3, 2010
One of my drives is showing issues that Disk Utility isn't catching or can't find. I've heard about Diskwarrior, iDefrag, Drive Genius, etc... but which one is the most comprehensive, is there a "best of breed" disk app out there or one that does more than the others?
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May 14, 2012
Running Disk Utility's Repair Disk function from DVD, how long should this take to complete with a 1 TB drive? It's been nearly 24 hours so far. I booted the computer from the DVD, and after verifying the disk was told the disk needed repair.
Info:
iMac G5, Mac OS X (10.4.3)
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Jun 12, 2012
I am having problems with my Mac running slow. I had a friend guide me to run a "repair disk permission".I did that but I am not sure if I am to click clear history.Also should I do anything else to help my Mac run better?
Info:
iMac, Mac OS X (10.6.8)
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Sep 12, 2014
Macbook Pro running on OSX Mavericks is having problems.
Today I turned my Mac on, and it started up with a loading wheel and a loading bar. When the loading bar finished, the Mac turned itself off. I tried many times, same happened every time. I then went into OSX Recovery, started repairing Macintosh HD, but the error message saying "Disk Utility can't repair Macintosh HD" came up and now I don't now what to do.
Is there any way I can back up my files in this situation? Is there any way I can repair the disk without having to erase all data and reinstalling OSX? Or do I really need to bring it to a Apple Store for repair?
Info:
MacBook Pro, OS X Mavericks (10.9.4)
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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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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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Apr 6, 2012
I have run the Disk Utility verify function against my system partition. It tells me there are minor issues that need fixing up and I should run the repair disk function, by booting using Command-R and using the Disk Utility to repair the drive.Problem is, when I boot using Command-R and select Disk Utility the partition is shown greyed out and the Verify and Repair options do not work.I think this could be because the partition is encrypted. The utility does not offer me the chance to unlock the partition with my passphrase.How can I repair the filesystem errors on this partition?
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Apr 25, 2012
Fortunately I got a time machine backup. And its restoring the drive while in Lion recovery mode. Here's what happened... I dont have a router a my place at the moment and so my two phones (iphone 4 and htc android) connect to my internet using my MBP's wifi via internet sharig. For some reason they were not able to get an IP from the mbp. After doing some wifi swtich toggles and forgettig & rejoining the network, i decided to reboot all my devices. I shut down my modem, phones and restarted my mbp. On reboot, after the chime, it showed an unsusal 'progress bar' under the apple logo. The bar progressed to about 10% and then the mbp just powered off. This happened several times even after PRAM and SMC reset.
So now i booted with cmd+r pressed and in recovery mode ran a 'verify disk'. It said the verification stopped and that i should repair the disk. When i tried to do that it said the disk cannot be repaird and that i should back up as many files as possible and attempt to format the disk and restore it with time machine. It is precisely what im doing at the moment.
1. Mbp wont sleep even when internet sharing is off
2. Mbp wont lit the onboard display upon opening it in clamshell mode until i removed the 3.5mm audio cable of my speakers from the audio out port!
Info:
MacBook Pro, Mac OS X (10.7.3), Mid 2010
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May 8, 2012
I just tried to use my MacBook pro but its showing a loading bar and it loads for like 5% and then shuts down.I read the instruction booklet and it says that I should tried to repair the disk or reinstall Lion but when I tried to repair it stops the process and when I try to reinstall its telling me that the disk is Locked...
Info:
MacBook Pro, Mac OS X (10.7.2)
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Mar 23, 2012
I have a very old E Mac running version OS X version 10.1.5. My Mac is showing a flashing question mark so I have tried to repair it using the Install Disk provided with my E Mac. Unfortunately, when I insert my Mac OS X Install disk (which is for version 10.1.4) and press the C key at startup and click on Disk Utility the "Repair Disk" button is greyed out (although I am able to Verify the Disk.) How do I get round this problem? (I should add that I have had the flashing question mark once before, and I was able to repair my E Mac on that occasion as I was able at that time to click on the "Repair Disk" button. However, I can no longer do this.)
I have also tried using my OS 9 Install Disk, as I was using OS 9 the last time before the flashing question mark appeared. When I go into Disk Utility using that disk, I am able to click on the "Repair Disk" button but it lists errors that it says it is unable to repair.
Info:
eMac, Mac OS X (10.1.x)
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Jun 8, 2012
please help tried everything dont have correct install disk but have macbook disk. utility cant repair.
Info:
iMac, Mac OS X (10.7)
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Dec 1, 2014
how do I repair disk using disk utility
Info:
MacBook Air, OS X Yosemite (10.10.1)
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Oct 9, 2010
I had windows vista installed but suddenly the audio decided to become faulty, after spending a day trying to fix it i realized I have a windows 7 install disc so i might as well just replace vista with windows 7. I didnt take care of vista or ever register it so it became quite a task to upgrade so i just deleted the partition and went to create a new one and just do a full install of windows 7.
I made the partition but the wrong format, so i removed it through boot camp assistant and created another, except now it keeps giving me the "back up the disk and use disk utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using boot camp assistant again" Now, I'd love to do this, except I have no idea what I'm doing and WHY this error has occured. After becoming frustrated I switched from my imac to my macbook pro and received the same error when trying to create a partition. So any help on exactly what I need to do would be a HUGE help. I only use windows for music production (I know, seems backwards, but I use Sony Acid and FL Studio so I'm stuck with Windows)
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Jan 9, 2010
I have 43GB available on a 120GB drive on my MacBook base model and I'm trying to partition via BootCamp.I'm trying to allocate 32GB to the Windows partition but I keep getting the following error message:Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again.Now I've backed up my disk and launched disk utility, and try to follow above directions here but the Mac OS Extended (Journaled) area is grayed out and when I click apply after highlighting the MacBook are (in blue), it errors out and says the disk is out of space.
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Aug 11, 2010
I need to do repair my disk on my 10.6.4 machine but am wondering if I can do so with my 10.5 Install DVD or if I need to wait until I get home and do it with my 10.6 upgrade dvd?
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Mar 12, 2012
I just saw that the amount of memory left on my HD just dropped around 60GB, so I used the "Verify Disk" option on Disk Utility, and the output was: Verifying volume “Macintosh HD”Performing live verification.Checking Journaled HFS Plus volume.Checking extents overflow file.Checking catalog file.Checking multi-linked files.Checking catalog hierarchy.Checking extended attributes file.Checking volume bitmap.Checking volume information.Volume header needs minor repairThe volume Macintosh HD was found corrupt and needs to be repaired.Error: This disk needs to be repaired. Start up your computer with another disk(such as your Mac OS X installation disc), and then use Disk Utility to repair this disk.
I don't have the disk right now, so is there some other way I can repair it, get another install disk, or anything else? I've been thinking of booting up with a Linux livecd, but can it access the HFS+ filesystem?
Info:
MacBook, Mac OS X (10.6.8)
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Apr 1, 2012
I'm experiencing some problems with my iMac right now, and I'm not sure how they started or what to do to correct them.
1) Computer seems to hang up from time to time while starting applications, or in the middle of some tasks. There's no rhyme or reason or any patterns.
Question: Is there anything I should try to clean up the computer?
2) About a week ago I started using Time Machine to do scheduled backups rather than me manually starting my own backups. Now whenever time machine does a back up, it seems to stop working somewhere in the "Preparing to Backup" stage, and I end up needing to restart the computer manually because the whole system becomes useless. It will no longer complete any backups, even when I start manually.
Question: Why would time machine now all of the sudden start freezing in the middle of the prep to backup stage?
3) I just tried to use my disk utility to check and see if I need to repair the disk and here is what reported back:
Info:
20" iMac, Mac OS X (10.5.8), 2.4 GHz Intel Core 2 Duo
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May 28, 2012
I have two drives. The main internal drive is giving me this message after I tried to repair it.The external drive that TM backs up to says the volume appears to be ok..What do I need to do to restore my system and not lose all my pics, home movies ect.Read a lot of posts, but I must admit they were a little advanced for my knowledge.
Info:
Mac mini (Late 2009), Mac OS X (10.7.4)
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Apr 30, 2009
I am having an issue Partitioning my Internal HDD because some files cannot be moved it was able to Partition a while back when Installed Vista but I deleted that Partition as I needed a bigger one for Windows 7 Beta It says I need to "Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume." does that mean I have to reformat my entire HDD? as I don't want to do that.
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Dec 2, 2009
I have a problem with Disk Utility , when trying to format an external fire wire drive.
I cleaned out the drive and proceeded to erase it with zeros. After this Disk utility will not display the subdirectory or verify, repair, partition, erase the disk. The main disk name is still visible, but I cant access any functions.
Error message says input output error.
DiskWarrior will not help, as the original directory is beyond recovery.
I suppose that I have damaged the original directory, and now I would ask the honourable forum if there is any remedy for my actions?
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Nov 2, 2010
so i got this message "Back up the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again." what do I do
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May 7, 2010
I have an external hard drive that I'm planning to use for my iTunes Music library, however, I plan to access the hard drive from both my Mac and Windows PC.
Now I know I could format it as FAT32 (MS-Dos Format) in Disk Utility, however, from my understanding, this wont allow files larger than 4GB ... which could be a problem in future.
If I were to format it as the Mac Journal extended format, would I still be able to read and write to this from my Windows PC? Any ideas, or other work arounds for this?
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Apr 2, 2012
My Macbook crashed so I tried everything to restart it. what finally worked is opening it from the install disk. I performed a "repair disk", and after saying "invalid node structure" and "invalid record count", it says it cannot repair the disk. I don't know what step to take next. How do I see if time machine has backed my files up? Do I need to erase the HD and reinstall?
Info:
MacBook
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