Help -- backup data with disk utility, input/output error.
My problem started when my MacBook Pro computer (with OsX) froze. When I restarted, the startup screen stayed on for a long time. Now, the startup screen stays on for a few seconds and then shuts off. I do NOT have a recent backup of my data. I have tried the following:
Went onto the recovery partition, used Disk Utility. When I verified the disk, it said it needed repair. When I tried to repair the disk, it said it could not be repaired.
I then tried to copy a disk image of the hard drive onto my external hard drive, but it says there is an "input/output error" and won't allow it. How else can I backup files on my computer at this point?
Had issue partitioning 2TB my passport drive, got input/output error while using disk utility.
Here is what I did to get my external disk back
In Disk Utility
1) Try to use erase option first, it failed
2) Try to partition the disk, failed as well.
3) Then try erase option again, then ... it worked !!
Similar Messages
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Disk utility, input/output error, setup fail
Had issue partitioning 2TB my passport drive, got input/output error while using disk utility.
Here is what I did to get my external disk back
In Disk Utility
1) Try to use erase option first, it failed
2) Try to partition the disk, failed as well.
3) Then try erase option again, then ... it worked !! -
Disk utility 'input/output error' message?
I am "creating an image" of a DVD using disk utility (prior to making a copy on a blank DVD disk). Why am I now rec'ing an 'input/output error' message? I have already copied several other DVDs from the same author (with her permission, they are not copywrited.) w/o a problem.
What's going on? original damaged? an incorrect step on my part? some sort of space problem? ( I have tons of room on my iMac.)
Thanks for your help.Take a look at Cinematize 2, I've used it with iMovie 06 and iDVD 08. It has several modes of converting the data. One mode is called "lossless".
For the job you're doing you may prefer to use iMovie 06 instead of iMovie 08 (I would).
iMovie 06 and iDVD 08 is a terrific combination.
Your workflow would go something like this.
Use Cinematize 2 to create a Quicktime file from the DVD.
http://www.miraizon.com/products/products.html
Important that file into iMovie 06.
From iMovie 06, share to iDVD 08 (assuming you want a DVD). -
MacBook Disk Utility: "Input/Output Error" When Backing up my iBook
Alright, here's the skinny:
I'm backing up an iBook's system drive while in Target Disk Mode via my MacBook using DiskUtility. The drive I'm saving the image to is an HFS+ USB 2.0 enclosed standard 3.5" drive. I start the process and things go just fine--
--but then!
"The device you removed was not properly put away. Data might have been lost or damaged. Before you unplug your device, you must first select its icon in the Finder and choose Eject from the File menu."
So yeah, about five minutes into the backup, I get one of those lovely "Device Removal" notices, even though I haven't touched anything and no drive has gone unmoutned in Finder (or in /Volumes/). After this I get a plain jane "Input/Output Error" message and am left in the dark.
Here's what I've tried:
-Restarting, killing every unrelated user-level process
-Disconnecting every other device, media, and peripheral from both machines
-Running the machine in "Better Energy Savings" mode and disconnecting the PSU in case FW or USB was fritzing from the 83C of heat the computer was causing.
Alright. Somebody help.Had issue partitioning 2TB my passport drive, got input/output error while using disk utility.
Here is what I did to get my external disk back
In Disk Utility
1) Try to use erase option first, it failed
2) Try to partition the disk, failed as well.
3) Then try erase option again, then ... it worked !! -
Disk Utility "Input - Output error" when attempting to erase Hard Drive
Hope that someone can point me in the right direction.
I bought an external hard drive for Windows a year back and loaded music onto it. I realized that I my MAC wasn't getting "Read / Write" privileges for the External Hard Drive, so I decided to try to Partition it and make it into a FAT readable device. It erased all data from my hard drive, but Disk Utility stopped the process and displayed an "input - output error".
Consequently, I can't initialize the external hard drive to make it usable on my MAC.
Can anyone point me in the right direction so I can "reformat" my external?
Thanks!Hi all,
I'm having similar issues on a white macbook (2006 model). I ran into some trouble with it about a month ago, when on booting up, it showed only the folder with a question mark. Booting up from the original grey install DVD worked, so I thought the problem was most likely a faulty hard drive.
It's only after having this problem, that I came across this recall for possible faulty hard drives, that Apple offered:
http://www.apple.com/support/macbook/hd/repairextension/
Doh! Too late?
So, I got onto ebay and picked up a deal and received my new hard drive yesterday. I swapped out the original 80GB with 320GB, only to find the same input/output error described by the OP, here (also in a couple of other Apple discussion posts - see below).
Disk utility shows the new hard drive to be 2.3TB in size! Should be 320GB - but, this is also what others have described. See e.g.,:
https://discussions.apple.com/message/16090313#16090313
I've run the extended testing from the CD (holding down 'D' on boot-up) and it reported no problems. Also, similar to others experiences:
https://discussions.apple.com/message/16081818#16081818
So, what can the problem be?!?!?!?!?
In this post, JMPC suggests it has something to do with the size of the new internal hard drive....groan.....:
https://discussions.apple.com/message/16145560?tstart=0#16145560?tstart=0
Can anyone confirm this? -
Disk Utility - Input/Output error when creating disk image
Hello!
A few days ago I was unable to turn on my Macbook Pro, and was stuck on the white screen. I've been searching around quite a lot on this forum, and before I try fixing anything, I REALLY need to back-up my files! I just bought a 2TB hard-drive, which I have partitioned to GUID and Mac OS Extended (Journaled), (it perfectly works on another Mac).
I now want to attempt to create an image of my harddrive (Macintosh HD) onto my external drive (which is empty). I've tried doing this both in 'read-only' and in 'compressed', but about halfway through, I receive a message saying "Unable to create 04/2014 backup.dmg (Input/Output) error".
I saw on another similar post that I might want to install DiskDrill or DataRescue. I'm fairly sure this is impossible for me to do, since my screen is completely white, and I'm unable to access my desktop.
I can only access Disk Utility through pressing command+R when starting my computer. Hence, I need to successfully back up my files through Disk Utility...
I'm aware that my HD may be corrupted since this is happening, but there must be a way for me to put an image on my external HD?? A few days ago, when I clicked on Repair Disk it said "Impossible to repair: invalid node structure". But now, it says that "Macintosh HD appears to be OK". I have no idea what's changed... And I can still not start my computer past the white screen...
I'm very bad with IT and computers, and have extensively tried to fix this on my own, but I'm now stuck here, with this "input/output error"...!
Any suggestions would be greatly appreciated! Thank you!
PS: I do not have Applecare, this is an old computer from 2009.Thanks for your answer.
Yes, I thought that might be the case - but I'd taken my Mac and Logic disks to a Genius bar, and the 'Genius' had said he'd fixed the issue. I just wish he'd explained what he did and why he didn't replace the faulty disk(s)!
But is there any way around having the claim a disk, now I'm living abroad and my 'warrantee' has run out? It's going to be a pain in the fundament trying to claim a replacement set. -
Disk Utility Input/Output Error
I am trying to make digital backups of some home movie DVDs I have created in the last few years with iMovie and iDVD. Every time I use the iMac to try and make a disk image with Disk Utility, it gets about halfway through the process and then I get an error message that says, "Unable to create "disk3.dmg" - Input/output error." I usually have better luck on my older Powerbook G4, though I sometimes get the same message there. Does anyone have any ideas why this is happening...and how I can fix it? Of note, I have tried different names for the disk image, but it doesn't seem to have any effect.
You're going to love this...
I had been getting the exact same error, even after I've done full image backups of my main volume just a few months before. Since I couldn't perform the image backup, I tried copying important files manually. When copying some 3000 files from my Documents folder, the *entire copy* failed...one file was corrupted and was unreadable. So instead of just asking if you want to skip and continue, the entire operation fails. I deleted the corrupted file, and booted from an alternate system, and voila! I successfully created an image of my main volume and saved it to an external HD in about 15 mins. No problems whatsoever. Unbelievable.
Make sure your DVDs are clean, ie, such that all the files can be read correctly.
What bugs me most, is that the bad file was not detected when I ran the Disk Repair utility on the main volume (from another booted drive of course).
What am I missing such that I can detect issues like this in the future? -
Help burning DVD with Disk Utility
I have a Mac Mini with a SuperDrive.
System Profiler confirms that I can write a DVD-R:
But Disk Utility won't let me burn a DVD. With a brand spanking new blank DVD-R in the drive, it says "Write Ability: Read Only":
What's the problem, and how do I burn my .dmg disk image?
Mac Mini Intel Core Duo Mac OS X (10.4.7)Eject the disk.
In disk Utility, select the disk image file and click the burn button.
A drop down window should appear and ask for a blank disk. Insert the disk.
Soon the window should change and show burn options, and the burn button at the bottom right should turn blue. Choose any options you need and click the blue burn button. -
WD External Hard Drive will not format, "Input/Output Error"
Trying to reformat an old Western Digital external drive, immediate error in Disk Utility "Input/Output Error". Switched USB cords/ports, nothing. Just getting a second opinion before I trash it.
I know I can probably take out the drive and put it in an external case, but this was just going to be an extra drive for a friend, not worth the $20 for the case.
ThanksI'm getting the same errors from both my USB ports when I try to format a brand new Maxtor 1TB drive.
I had noticed some strange errors a week ago when Time Machine was reporting an error saying it had failed (this was using a nother external firewire drive). Errors were (not verbatim) "error writing files" & "unknown error".
I naturally thought there was a prob with the ext drive, so knowing that I had at least a good full back-up on there, bought a new ext drive (larger) to perform a full backup on so I could reformat the firewire drive and utilise it elsewhere - but got errors when I tried to set it up as a Time Machine drive seconds after I took it out of the box.
I ran "Verify Disk" on my internal macbook HD and it reported some permission errors and mis-reported file sizes and told me to "Repair Disk". I did, and this stated it fixed a few things. Ran Verify again and it still reported some permission errors.
Now, this leaves me in a sticky spot. I can't format the maxtor external disk in order to manually copy over my disk content, it doesn't even show up in disk Utility or in Finder. I can't perform a Time Machine backup - as it can't see the maxtor disk. I can't do a TM backup on the old Firewire disk - due to the program errors. AND it appears I have permission errors on my internal HD.
Whatever course of action I take to correct these problems - I would like the knowledge that I have a full backup to restore from if things "head south" while I look to correct the HD permission issues.
Anyone out there with some REAL SMART ideas that can help me out here ?
Right now I'll even accept "Half Smart", "Clever" and "**** - Why Didn't I Think Of That" answers !
S. -
I'm trying to backup a my hard drive with disk utility but I'm getting an error Unable to create Backup.dmg" (input/output error). Is there any other way to save my data? I believe my hard drive is failing or corrupt file. I can't boot up. Grey screen and spinning wheel. I've tried everything https://discussions.apple.com/message/20580424#20580424
any help will be greatly appreciated.Check here. Also have you done a TimeMachine back up?
http://support.apple.com/kb/TS2570 -
Disk Utility: Create image fails with input/output error
Starting to create an image and saving it into an external hard drive (MacOS extended Journaled).
It starts after less than 60 secs it comes out with an error : Failed to create the image (input/output error)If you don't mind I'd like to discourage you from backing up a drive onto a disc image file no matter where you plan to save it. Disc image files can be very problematical when it comes to trying to restore the backup. Furthermore, you cannot boot from a disc image. If the disc image file becomes corrupted then you have no backup.
I would like to propose that you think about a better way to backup your drive. You can clone the drive to your backup drive. It's easy to do using Disk Utility's Restore feature. A clone backup is not only bootable but you have direct access to all the files on the backup.
In order to make a bootable clone open Disk Utility. Select Disk Utility Help from the Help menu. Search for +duplicating a disk+. Click on "Duplicating a disk" at the top of the list of articles. Follow the directions. -
Hi, I have a hard disk failure so to recover my data I am using disk utility to restore the data on an external drive while booting from a second external hard drive. When I perform the operation and after having selected both my destination and source drives, the operation begins but soon fails due to input/output error. If I try to create an image of the drive it gives me the same error message. Any help would be much appreciated.
Disk Utility only creates a image of the drive, so it's no help getting exactly what you want, which is your files. If the file structure is messed up or the drive is failing then it's no help.
If you have a external boot drive and you can't access the internal non-booting drive though the typical Finder and windows to transfer your files via drag and drop methods, then you need to install Data Rescue on the external boot drive and it will do as best as it can to recover your files. (works on non-encrypted/non-Filevaulted drives only)
.Create a data recovery/undelete external boot drive
Are you sure you have hard drive failure, or that OS X isn't merely not booting?
Because if the drive is working physically, then there is a host of fixes
..Step by Step to fix your Mac
https://discussions.apple.com/community/notebooks/macbook_pro?view=documents#/ -
I had a problem with the hard disk on a 13" 2010 macbook pro. Replaced the hard disk with an Hitachi 1TB disk but when I tried to erase and format, it fails with input/output error and at other times saying unable to allocate memory. Any help much appreciated!
Zap the PRAM and Reset the SMC, then try again.
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i cannot able able to start my macbook and then i started my mac in a recovery mode now mac os X utility window opens with 4 options 1. Restore From Time Machine Backup 2. Reinstall Mac OSX 3. Get Help Online 4. Disk Utility if i try to restore my mac with time machine no option appears if i reinstall from Mac OSX error comes and cannot able to recover from disk utility please help how can i reinstall mac OSX
Guitar21,
your MacBook Pro has booted into its Recovery mode. From the OS X Utilities menu, select Disk Utility. On the left-hand side of the Disk Utility window, select your internal disk’s boot partition (typically called “Macintosh HD”). On the right-hand side, press the Verify Disk button if it’s not greyed out; if it is greyed out, or if it reports that errors were found, press the Repair Disk button. Once the verification/repair is completed, exit Disk Utility and select Restart from the Apple menu to restart in normal mode. Does it get to the login screen now? -
External Drive Disk Erase Failed with the Error Input/Output Error
I have 2 hard drives in an external FW800 enclosure that I am unable to format. When I go to initialize the drives in Disk Utility, I get the following error message: "Disk Erase failed with the error: Input/output error."
The drives show up in Disk Utility, but I can't repair them (that option is grayed out). Disk Utility correctly ID's the manufacturer of the drives (Maxtor), their size (200gb each), so it's obviously seeing that the drives are there. But it won't let me format them.
The drives are new, by the way; they don't have any data/files on them. I have Disk Warrior, but the drives don't show up there to be repaired -- probably because they aren't formatted yet.
After looking at other posts, I tried switching the jumper settings around on the drives -- from Master/Slave to cable select and back again, but it didn't help. I also tried doing a zero erase (even though the drives are new), zapping the PRAM -- again, no help.
One question I had is whether this could be a bad FW800 cable? The cable is new -- it came with the enclosure, which is an OWC Dual FW 800 enclosure. Other than that, does anyone have any other thoughts about what's causing this? Any help would be greatly appreciated.
MatthewSOLUTION!!!!
I had the exact same problem. I have the original 20 GB hard drive that came in my Powerbook G4 550MHz and a couple of years ago I traded up for a 60 GB drive and bought a FW/USB enclosure for my original drive to use it to backup my important files. I hadn't backed up in over a year (shame on me!) and I decided maybe I should erase the drive and start from scratch. It was connected via USB.
At that point DiskUtility gave me the exact same Input/Output error. I tried partitioning the drive into 1 or more partitions but came up with the same error. I couldn't figure out what was wrong so I decided to startup in OS 9.2.2, I did that and let it start up, then plugged in the hard drive and it gave me the standard "This disk is unrecognizable, do you want to eject or erase?" so I clicked Initalize. It worked!
Just make sure you choose the MacOS Extended option when initializing out of OS 9 (instead of the MacOS Standard option) so it can be read and viewed in OS X.
If your computer is too new to be able to boot from an OS 9 folder on your drive or an OS 9 CD, then see if a friend or a local library has older computers that are running OS 9 or can boot from it. If not let me know and you can send me your drive and I'll reformat it.
Kind of crazy...I haven't used the OS 9 partition on my HD in YEARS...was even thinking about erasing it since I don't use any Classic applications anymore...good thing I didn't!
Nick
Powerbook G4 550Mhz Mac OS X (10.4.6)
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