OS X :: Unable;e To Boot From Internal Hard Drive / Use Disk Warrior To Repair Disk?

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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Software :: Unable To Repair Hd / Disk Warrior Rebuild Tool Is Grayed Out

Feb 1, 2009

last week my mac (1 year old iMc, 2.4ghz intel chip, 4gb ram, system 10.5.7) went all funny, everything was working slowly - so I restarted, same thing, I restarted again and it just went to the grey screen with the spinning ball.Ok so I restarted from my tiger disk and it could see the drive, so I tried to install a new system and it got right to the end of the installation then said because of a disk error it couldn't do it.

Ok so I bought an external HD, put a system on and started up from there - now the drive came up, but things were slow still, it took forever to copy anything so I tried disk utility, it couldn't repair it. I tried drive genius, same thing. DiskWarrior 4.1.1 same thing.

Now I tried again a few times and the programmes took forever to start up but now disk utility opens after about 30 mins and can see the drive, but it's lost it's name and I can't even repair or repair disk permisssions. Drive Genius can see it but not repair and same for Disk Warrior, the 'rebuild' tool is greyed out.

It's a 500GB drive and only has 3GB spare on it, it has loads and loasds of stuff on there, work, music, films, all my preferences, passwords and of course all my software - I do have a backup of some stuff, my photos luckily enough - but I still need to get it fixed.

Now what can I do? Is there anything in terminal I can do? Any other ideas anyone? I'm desperate for help.I have downloaded Data Rescue II and it has been gathering device information for an hour, I'm hoping it will carry on and later on I can start recovering. But in all honestly is there anyway of fixing the drive?And if not can I recover and then do I need to re-format? And if so will it work ok once formatted?Also any ideas why this would have happened?

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OS X :: Disk Warrior Unable To Replace Startup Disk / Connect To TC To Transfer Across DW's Preview

Feb 18, 2009

Yesterday I switched on my macbook (Leopard) and got the flashing question mark. Ran all the resets and booted with disk utility which encountered an 'Invalid B-tree Node' when attempting to repair the disk. Additionally, the SMART status was verified.

I ran DW 4 last night, and performed the hardware tests which reported that the disk was operating like normal. The majority of my media files and additional work is backed up to my Time Capsule but I still have a folder of papers that are relatively new, and wanted to retrieve. While DW managed to reconstruct the majority of my drive (there seemed to be 15g missing - but it's just music files) including this folder, it couldn't replace the disk, as it encountered 'Serious Disk Malfunctions'.

So, via the Disk Preview I want to transfer my saved folders to my TC, but I don't appear to be able to locate it (via ethernet) through DW - even if it's connected when I boot up in DW. So, first request is: Can I connect to my TC to transfer across in DW's preview?

Second is: What are my options if DW can't replace? Do I need to take it into Apple and get a new HD (it's out of warranty)? It's possibly worth noting that I'm a student and have absolutely no money - so cost effective options are a bonus!

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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.

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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OS X :: Repair Phisical Damages On Hd Using Disk Warrior?

Aug 7, 2009

Need a little help with an HD... Does anybody knows how Disk Warrior works?...i mean: do it repair phisical damages on Hd? i think my hd has, becouse the needle is "clicking" and cannot read anything...

I have a lot of work in this hd, that was created only for back up...

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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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MacBook Pro :: Disk Warrior 4.2 Can Boot An Core I7?

Jun 15, 2010

So my original DVD is Rev 901 of Disk Warrior and I'm using the 4.2 updater.

Has anybody been able to boot Disk Warrior 4.2 build from Rev 901 on a Core i7 MacBook Pro?

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OS X :: Macbook Unable To Boot With Install Disk - How To Repair Disc

Oct 11, 2009

My Macbook is starting to get really slow. I've tried Onyx and it told me that the startup volume had to be fixed. But I can't boot my install DVD by pressing "C" in the startup.

Is there another way to repair the disk?

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MacBook Pro :: Using Disk Warrior 4.2 Boot DVD To Boot System?

May 13, 2010

Just an FYI. Tech Support at Allsoft states The Disk Warrior 4.2 Boot DVD will not Boot the new 2010 MBP's. They are waiting for information (software) from Apple.

Will need to use Target Mode or another Mac connected with Firewire till then. Boot from that then run DW from your MBP.

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OS X V10.7 Lion :: Macbook Cannot Boot: Hard-disk Repair / Restore Error

Apr 8, 2012

My MacBook is unable to boot. Whenever I try to boot, the spinning circle and the progress bar appears on the grey screen, but when the progress bar reaches about 40%, the computer shuts itself down. I started in Verbose Mode and tried AppleJack, and it said my harddisk needs to be repaired; but AppleJack is unable to do that. (Error Messages: "Invalid node structure" and "Incorrect number of thread records) I then tried to startup with both Recovery HD and Mac OS X Install DVD and ran the Disk Utility on both of the startups. At the First Aid tab, I selected my Hard Drive (not the Hitachi one, the Macintosh HD one) and clicked on Repair Disk. The error messages I got from Repair Disk were:Invalid volume file countInvalid node structureThe volume Macintosh HD could not be verified completely.

Error: Disk Utility can't repair this disk..disk, and restore your backed-up files. And, lastly, the following popup message appeared:Disk Utility stopped repairing "Macintosh HD"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. Not being sure how to back-up my files using Disk Utility, I plugged in an external HDD to my USB port and clicked on the Restore tab in the Disk Utility. As the Source, I selected Macintosh HD and as the Destination, I selected one of the partitions I created on my external HDD. However, when I clicked on Restore, I got the following error message:Restore FailureCould not restore - Input/output error I partitioned my external HDD by creating 2 partitions formatted in Mac OS Extended Journal - GPT. Now, what can I do to save my files (and my MacBook's HardDisk)?

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MacBook Pro :: Unable To Recover Files From Disk-warrior?

Apr 14, 2012

Laptop:  MacBook (White), 10.6
External: Lion 10.7.6 

Booting from an external drive and running DW4 on MAC OS 10.7. Trying to recover from preview pane as my internal drive will not rebuild. The folders on the internal MacHD are visible in the preview but have "minus" on them and I will not copy. It is showing it has zero bytes and when I click on the copy from the preview pane I get a message that says the operation cannot be completed because I have insufficient privilages. My ultimate goal is to get out the home folder for the user and migrate the the user files to a new MacBook Pro.

13 MacBook White 2.26 GHz (Oct 2009), Mac OS X (10.6.2), Lacie Rugged Ext Drive 500 Gig

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OS X :: Unable To Repair Disk / Unfixable Permission After Running Disk Utility

Jan 2, 2010

Running Diks Util on my iMac 10.6.2. i am given this warning.
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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Hardware :: Using Disk Utility/unable To Repair Drive?

Jan 24, 2010


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OS X :: Unable To Mount External Drive / Repair Disk Permissions?

May 20, 2009

I'm having a series of problems. First some intermittent audio problems with Garageband, then, then some external drives won't mount, and now I can't sync to my disk from the iMac. I've run Disk Utitilies a few times and when I do Verify Disk Permissions, it finds a list of things to fix, I then hit Repair Disk Permissions and it fixes them, and then hit Verify Disk, and it say the disk appears ok. When I do Verify Disk Permissions again though, it finds another long list of things to fix. Is this serious? What should my next step be? Should I reinstall the entire system?

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OS X V10.6 Snow Leopard :: Has Any One Used Disk Repair On An External Hard Drive

Jun 17, 2012

Has any one used Disk Repair on an external hard drive? Does it erase everything?

Mac OS X (10.6.8)

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Hardware :: Internal Hard Disk Does Not Show In Startup Disk Options

Jan 1, 2008

I have 2 internal Serial-ATA disks:

Both were checked (with Disk Utility and DiskWarrior) and are OK. But only one of the two disks shows in the Startup Disk list in System Preferences->Startup Disk.

PowerMac G5 / OS X (V.10.4.11)
3GB memory

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MacBook Pro :: Internal Hard Disk Is Not Visible In Disk Utility?

Aug 28, 2014

I am trying to repair my mac. But in disk utility, the hard disk is not visible to proceed. Its showing disk0 -> volume with only 1.79GB. and all the options are disabled. The capacity of my mac book pro was 500GB. 

MacBook Pro, OS X Mavericks (10.9)

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MacBook Pro :: Disk Errors Reappear Within Day After Repair-Hard Drive Dead?

Mar 6, 2012

Over the last few weeks, I have been experiencing crashes on my Macbook Pro. The crash would appear as such: I'll be using Chrome and all of a sudden pages won't load. The mouse continues to work, but if I navigate to the desktop, folder won't open. Then, if I try to quit programs, the dock either becomes unresponsive or programs will only quit if "forced quit." Then the beachball of death appears. The beachball of death will continue for a very long time—perhasp indefinitely, so I decide to manually power down the computer.  

I have tried to verify the hard drive in Disk Utility, and a few times I have gotten this error: Volume bitmap needs minor repair for orphaned blocksChecking volume information.Invalid volume free block count(It should be 46122698 instead of 42839276)The volume Macintosh HD was found corrupt and needs to be repaired.Error: This disk needs to be repaired using the Recovery HD. Restart your computer, holding down the Command key and the R key until you see the Apple logo. When the Mac OS X Utilities window appears, choose Disk Utility. So I restart from the system (command-R) and repair the disk. But now within a day or two I get the same error.  Does my hard drive need to be replaced? Am I on borrowed time? My computer is under warranty. Do you think Apple will replace the hard drive?  

Pro, Mac OS X (10.7.3), early 2011 13"

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PowerPC :: Hard Drive Not Working / Repair Volume Failed Could Not Unmount Disk

Jul 17, 2009

So so annoyed right now. Today my 12" G4 powerbook started to become slow, lots of spinning wheel, delayed menus etc. I checked file permissions, rebooted and it just kept on getting slower. Eventually it wouldn't get past the white apple screen.

I booted off the Tiger DVD and ran disk utility to fix and repair permissions again. It wouldn't let me repair the disk as I kept getting this error:

'Repair volume failed with error could not unmount disk'

I had to reboot again, and eventually my hard disk no longer appears in Disk Utility. I tried to boot into safe mode and get this:

'"I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus
I0ATAController device blocking bus"

So now I pretty much can't do anything with it. Failed Hard Drive?

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MacBook Pro :: Disk Utility Says Internal Hard Drive Is Failing?

Dec 28, 2010

However, my hard drive appears to be running fine - haven't noticed any degradation of performance since receiving the warnings two days ago. And HD is still running quiet (no strange mechanical noises I'm accustomed to hearing prior to a failure). Nevertheless, I'm installing a new HD tomorrow and recloning it from a backup external drive (operating from external until then).

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OS X :: USB Boot Unable To Show Hard Disk

Jan 3, 2011

I've created a Snow Leopard boot disk using this method link. I created it on a 16GB CF Disk. I've tried it twice. First time I formatted the disk as eXfat with 1 partition. Next time I used Mac OS Extended for a 7Gig partition and fat32 for the rest.

Upon boot I get the normal install stuff like I do with the DVD, but then no hard disk shows up. I thought it was because of the eXfat which is why I tried again. I looked into the system profiler and I can see my seagate hard disk, but under disk utility it doesn't exist. My Sata DVD drive shows up though. If I boot off of the DVD I can see and install to my hard disk.

I'm trying to make a USB Disk because I'm planning on getting a SSD and I will be removing the Dvd drive.

This is a Mid 2009 Macbook.

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Intel Mac :: Won't Boot From Hard Drive Or Disk?

Apr 1, 2012

Gray screen and 'prohibited' logo appeared today without apparent reason.Forced a power down by holding power button. Restarted....eventually reached user login screen but froze again on login attempt after password entered.

Restrated again by forced power down but only got gray screen and spinning gear.

Have now spent many hours going through most conceivable options including...

following instructions on http://support.apple.com/kb/TS2570 re gray screen troubleshooting

have disconnected peripherals; reset smu, smc, and pram;

safe boot w shift key did nothing;  

safe boot shift+v produced a screen of text that got as far as com.apple.launchd 1

but then several lines of text appeared repeating twice eaxctly same, each headed by disk0s2: I/O error. with [ErrNo 5], then

dyld: Library not loaded:   and Reason: no suitable image found

final line ends with The System bootstrapper has crashed: Trace/BPT trap:5 

I have tried installing from the original install disk several times but holding C key or Option/Alt key or D key gets no response and I cannot get the install disk to eject either holding down mouse button, eject button 

I haven't done any recent upgrades or installed new software, no new peripherals attached.

Is this a dead hard drive or does someone have other suggestions that might work?

iMac, Mac OS X (10.7.3)

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MacBook :: It Won't Boot After Trying To Repair With Disk Utility, Cannot Boot In Safe Mode

Jun 11, 2012

I have a MacBook 4,1 with Intel Core 2 Duo processor 4GB Ram. It is taking over 10 minutes to boot up past the gray apple screen when I turn it on. First I cleared the PRam (?) then I checked the disk using Disk Utility Verify, and it said the disk needed repairs. So I ran the disk repair and it said it was unable to fix the errors on the HD.  

I did a little research and tried booting into the Single User mode, then running /sbin/fsck -fy. It said that it found errors but could not fix them. I ran it two more times as suggested and got the same result each time. I then tried rebooting and now instead of taking 10 minutes to boot up, it takes about 5 minutes on the gray apple screen and then just turns off. I started in Verbose mode to try to troubleshoot the error and it appears the last thing to come across the screen before power down is a message "Apple Yukon 2: RxRingSize <= 1024....etc". 

I decided next I would run the Apple Hardware Tester. The test came back with an error code "4SNS/1/40000001:IG0C-0.265". I am very good at searching the web but I could not find any errors that had the IG0C or IGOC or any combination at the end, but plenty of 4SNS/1/40000000(1) errors with different endings. From what I can tell people are saying anything with 4SNS/1/4000000 is a logic board failure, but this computer was literally just booting this morning until I did the /sbin/fsck -fy. 

MacBook, Mac OS X (10.5.6)

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MacBook Pro :: Unable To Check External Hard Disk / Cannot Find The Disk

Feb 15, 2011

I've download a Seagate Diagnostics programme to check whether my external Seagate FreeAgent Desk is working properly or not. However, when I run the programme, it indicates that cannot find the disk.

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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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Hardware :: External Hard Drive As A Dual Boot Start Up Disk?

Apr 5, 2009

Is there any way I can boot up my external hard drive as a start up disk along with my internal hard drive?

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MacBook :: Tried To Repair Using Disk Utility - No Boot Up

Feb 2, 2009

Yesterday I decided to Install Windows Xp on my Mac. I tried to partition it but BootCamp said, "Verifying failed. BootCamp can't partition disk." So I started reading about this problem on the Internet and I found out that I have to use the Mac OS X Installation Disk and use the Disk Utility to "Repair" the disk. I started Disk Utility and clicked "Repair". Many files were missing so it tried to repair it. So now when I start the Apple-logo and the loading-circle is "frozen", so it just loads and loads and loads and loads, and nothing happens. I decided to format the disk from Disk Utility but I can't format it! I can't do nothing! So now I cant start my Mac! If it is possible to take a backup or something before I format it, or keep the files it would be lovely!

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IMac :: Unable To Access Hard Drive / Disk Is Unreadable

Sep 14, 2009

Okay. So I had an Imac G5 (white) running 10.4 This one crashed and I got a new iMac G5 (Silver). Since then I have removed the old hard drive. Today I connected it to a Serial ATA - USB Converter. It powers up and sounds to be working fine (hums, spinning) but my new computer says "Disk is unreadable". It gives me the option to format, but I want to recover my old files first.

Important: I also have a similar Lacie external drive that I hooked up the same way and it worked fine. I was able to take the files off of it.

My guess: I believe when the drive is connected, it is trying to start up the OS (this was the start up disc). It has that click sound like it's trying to make the chime and then spinning like it's working. Can you change the drive to a "Slave"? Or is my disc corrupted?

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OS X :: Unable To Repair Disk Permissions?

Aug 21, 2010

When I open Disk Utility and select one of the 2 volumes in the left pane, the buttons "Verify disk permissions" and "Repair disk permissions" remain greyed out. Only the "Repair disk" and "Verify disk" buttons are enabled. This is not the startup Volume. For this volume all 4 buttons are enabled.

How can I repair the disk permissions on the volume?

I have Mac OS X 10.6.4

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